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Available versions for ERULES-1963177438-16190

found in: GM Remote Aerodrome Air Traffic Services (ED 2019/004/R) Issue 2 (Jul 2020)

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# Table of contents

[Disclaimer............................................................................................ 4](#_Toc256000000)

[Note from the editor........................................................................... 5](#_Toc256000002)

[Certification specification................................................................... 6](#_Toc256000003)

[Acceptable means of compliance....................................................... 6](#_Toc256000004)

[Guidance material............................................................................... 6](#_Toc256000005)

[Incorporated amendments................................................................. 7](#_Toc256000006)

[Table of contents................................................................................. 8](#_Toc256000007)

[Preamble 21](#_Toc256000008)

[Subpart A — General......................................................................... 24](#_Toc256000009)

[CS ACNS.A.GEN.001 Applicability...................................................................................... 25](#_Toc256000010)

[GM1 ACNS.A.GEN.001 Applicability.......................................................................... 25](#_Toc256000011)

[CS ACNS.A.GEN.005 Definitions......................................................................................... 26](#_Toc256000012)

[CS ACNS.A.GEN.010 Instructions for continued airworthiness............................................ 33](#_Toc256000013)

[AMC1 ACNS.A.GEN.010 Instructions for Continued Airworthiness.............................. 33](#_Toc256000014)

[CS ACNS.A.GEN.015 Aircraft documentation...................................................................... 35](#_Toc256000015)

[AMC1 ACNS.A.GEN.015(a) Aircraft documentation.................................................... 35](#_Toc256000016)

[CS ACNS.A.GEN.020 Deviation from equipment standards................................................. 36](#_Toc256000017)

[Subpart B — Communications (COM).............................................. 37](#_Toc256000018)

[Section 1 – Voice Channel Spacing (VCS)............................................................................ 37](#_Toc256000019)

[General................................................................................................................... 37](#_Toc256000020)

[CS ACNS.B.VCS.001 Applicability..................................................................... 38](#_Toc256000021)

[GM1 ACNS.B.VCS.001 Applicability.................................................................................................... 38](#_Toc256000022)

[System functional requirements............................................................................... 38](#_Toc256000023)

[CS ACNS.B.VCS.010 Voice Communication System........................................... 39](#_Toc256000024)

[AMC1 ACNS.B.VCS.010 Voice Communication Systems................................................................. 39](#_Toc256000025)

[System performance requirements........................................................................... 39](#_Toc256000026)

[CS ACNS.B.VCS.020 Performance requirements............................................... 40](#_Toc256000027)

[CS ACNS.B.VCS.025 Integrity.......................................................................... 41](#_Toc256000028)

[CS ACNS.B.VCS.030 Continuity....................................................................... 42](#_Toc256000029)

[AMC1 ACNS.B.VCS.030 Continuity...................................................................................................... 42](#_Toc256000030)

[GM1 ACNS.B.VCS.030 Continuity........................................................................................................ 42](#_Toc256000031)

[Installation requirements......................................................................................... 42](#_Toc256000032)

[CS ACNS.B.VCS.040 Flight Deck Interface........................................................ 43](#_Toc256000033)

[AMC1 ACNS.B.VCS.040 Flight Deck Interface................................................................................... 43](#_Toc256000034)

[Section 2 – Data Link Services (DLS)................................................................................... 43](#_Toc256000035)

[General................................................................................................................... 43](#_Toc256000036)

[CS ACNS.B.DLS.B1.001 Applicability................................................................ 44](#_Toc256000037)

[GM1 ACNS.B.DLS.B1.001 Applicability............................................................................................... 44](#_Toc256000038)

[CS ACNS.B.DLS.B1.005 Installation Requirements............................................. 45](#_Toc256000039)

[GM1 ACNS.B.DLS.B1.005 Data Link System Installation................................................................. 45](#_Toc256000040)

[Flight deck control and indication capabilities........................................................... 45](#_Toc256000041)

[CS ACNS.B.DLS.B1.010 Flight Deck Interface..................................................... 46](#_Toc256000042)

[AMC1 ACNS.B.DLS.B1.010 Flight deck interface.............................................................................. 46](#_Toc256000043)

[CS ACNS.B.DLS.B1.015 Dual Data Link Capabilities (Dual stack)......................... 48](#_Toc256000044)

[AMC1.ACNS.B.DLS.B1.015 Dual Data Link Capabilities (Dual stack)............................................ 48](#_Toc256000045)

[ATN B1 data link...................................................................................................... 49](#_Toc256000046)

[CS ACNS.B.DLS.B1.020 Data Link Services........................................................ 50](#_Toc256000047)

[AMC1 ACNS.B.DLS.B1.020 Data Link Services.................................................................................. 50](#_Toc256000048)

[GM1 ACNS.B.DLS.B1.020 Data link services...................................................................................... 50](#_Toc256000049)

[CS ACNS.B.DLS.B1.025 Protection mechanism.................................................. 52](#_Toc256000050)

[AMC1 ACNS.B.DLS.B1.025 Protection mechanism.......................................................................... 52](#_Toc256000051)

[AMC2 ACNS.B.DLS.B1.025 Protection mechanism.......................................................................... 52](#_Toc256000052)

[AMC3 ACNS.B.DLS.B1.025 Protection mechanism.......................................................................... 52](#_Toc256000053)

[GM1 ACNS.B.DLS.B1.025 Protection mechanism............................................................................ 52](#_Toc256000054)

[GM2 ACNS.B.DLS.B1.025 Protection mechanism............................................................................ 53](#_Toc256000055)

[GM3 ACNS.B.DLS.B1.025 Protection mechanism............................................................................ 53](#_Toc256000056)

[System performance requirements........................................................................... 53](#_Toc256000057)

[CS ACNS.B.DLS.B1.030 Integrity....................................................................... 54](#_Toc256000058)

[CS ACNS.B.DLS.B1.035 DLS system continuity.................................................. 55](#_Toc256000059)

[AMC1 ACNS.B.DLS.B1.035 DLS system continuity........................................................................... 55](#_Toc256000060)

[GM1 ACNS.B.DLS.B1.035 DLS system continuity............................................................................. 55](#_Toc256000061)

[Time....................................................................................................................... 55](#_Toc256000062)

[CS ACNS.B.DLS.B1.040 Universal Time Coordinated (UTC)................................ 56](#_Toc256000063)

[AMC1 ACNS.B.DLS.B1.040 Universal Time Coordinated (UTC)..................................................... 56](#_Toc256000064)

[Data link initiation capability (DLIC) service messages................................................ 56](#_Toc256000065)

[CS ACNS.B.DLS.B1.050 DLIC Uplink Messages................................................... 57](#_Toc256000066)

[AMC1 ACNS.B.DLS.B1.050 DLIC Uplink Messages........................................................................... 57](#_Toc256000067)

[CS ACNS.B.DLS.B1.055 DLIC Downlink Messages.............................................. 58](#_Toc256000068)

[AMC1 ACNS.B.DLS.B1.055 DLIC Downlink Messages...................................................................... 58](#_Toc256000069)

[CS ACNS.B.DLS.B1.060 DLIC initiation when in ‘CPDLC inhibited’ state (uplink)... 59](#_Toc256000070)

[CPDLC Messages...................................................................................................... 59](#_Toc256000071)

[CS ACNS.B.DLS.B1.070 CPDLC uplink messages................................................ 60](#_Toc256000072)

[AMC1 ACNS.B.DLS.B1.070 CPDLC uplink messages........................................................................ 61](#_Toc256000073)

[GM1 ACNS.B.DLS.B1.070 Uplink Messages....................................................................................... 62](#_Toc256000074)

[GM2 ACNS.B.DLS.B1.070 Uplink Messages....................................................................................... 63](#_Toc256000075)

[CS ACNS.B.DLS.B1.075 CPDLC downlink messages............................................ 64](#_Toc256000076)

[AMC1 ACNS.B.DLS.B1.075 Downlink messages............................................................................... 64](#_Toc256000077)

[GM1 ACNS.B.DLS.B1.075 Downlink messages................................................................................. 64](#_Toc256000078)

[GM2 ACNS.B.DLS.B1.075 Downlink Messages................................................................................. 65](#_Toc256000079)

[GM3 ACNS.B.DLS.B1.075 Optional ACL Downlink Messages........................................................ 65](#_Toc256000080)

[Data link services requirements................................................................................ 66](#_Toc256000081)

[CS ACNS.B.DLS.B1.080 Data link initiation capability (DLIC) service.................... 67](#_Toc256000082)

[AMC1 ACNS.B.DLS.B1.080 Data Link Initiation Capability (DLIC) Service................................... 67](#_Toc256000083)

[GM1 ACNS.B.DLS.B1.080 Data Link Initiation Capability (DLIC) Service...................................... 67](#_Toc256000084)

[CS ACNS.B.DLS.B1.085 ATC communications management (ACM) service.......... 68](#_Toc256000085)

[AMC1 ACNS.B.DLS.B1.085 ATC Communications Management (ACM) Service........................ 68](#_Toc256000086)

[GM1 ACNS.B.DLS.B1.085 ATC Communications Management (ACM) Service.......................... 68](#_Toc256000087)

[CS ACNS.B.DLS.B1.090 ACL service safety requirements................................... 69](#_Toc256000088)

[AMC1 ACNS.B.DLS.B1.090 ATC Clearances and Information (ACL) Service............................... 69](#_Toc256000089)

[GM1 ACNS.B.DLS.B1.090 ATC Clearances and Information (ACL) Service.................................. 69](#_Toc256000090)

[CS ACNS.B.DLS.B1.095 ATC microphone check (AMC) service............................ 70](#_Toc256000091)

[Interoperability Requirements.................................................................................. 70](#_Toc256000092)

[CS ACNS.B.DLS.B1.100 Network Layer Requirements........................................ 71](#_Toc256000093)

[AMC1 ACNS.B.DLS.B1.100 Network Layer Requirements.............................................................. 71](#_Toc256000094)

[GM1 ACNS.B.DLS.B1.100 Network Layer Requirements................................................................ 71](#_Toc256000095)

[CS ACNS.B.DLS.B1.105 Transport Layer Protocol Requirements........................ 72](#_Toc256000096)

[AMC1 ACNS.B.DLS.B1.105 Transport Layer Requirements............................................................ 72](#_Toc256000097)

[GM1 ACNS.B.DLS.B1.105 Transport Layer Requirements.............................................................. 72](#_Toc256000098)

[CS ACNS.B.DLS.B1.110 Session Layer Requirement........................................... 74](#_Toc256000099)

[AMC1 ACNS.B.DLS.B1.110 Session Layer Requirement.................................................................. 74](#_Toc256000100)

[CS ACNS.B.DLS.B1.115 Presentation layer requirements................................... 75](#_Toc256000101)

[AMC1 ACNS.B.DLS.B1.115 Presentation Layer Requirement........................................................ 75](#_Toc256000102)

[CS ACNS.B.DLS.B1.120 Application Layer Requirements.................................... 76](#_Toc256000103)

[AMC1 ACNS.B.DLS.B1.120 Application Layer Requirements......................................................... 76](#_Toc256000104)

[GM1 ACNS.B.DLS.B1.120 Application Layer Requirements........................................................... 76](#_Toc256000105)

[CS ACNS.B.DLS.B1.125 Database..................................................................... 77](#_Toc256000106)

[Appendices....................................................................................................................... 77](#_Toc256000107)

[Appendix A – Background information on voice communication systems.................... 77](#_Toc256000108)

[Appendix B – Background information on data link systems....................................... 77](#_Toc256000109)

[Subpart C — Navigation (NAV)......................................................... 79](#_Toc256000110)

[SECTION 1 – PERFORMANCE-BASED NAVIGATION (PBN).................................................... 79](#_Toc256000111)

[Subsection 1 – Applicability – General....................................................................... 79](#_Toc256000112)

[CS ACNS.C.PBN.101 Applicability..................................................................... 80](#_Toc256000113)

[AMC1 ACNS.C.PBN.101 Applicability.................................................................................................. 81](#_Toc256000114)

[GM1 ACNS.C.PBN.101 Applicability.................................................................................................... 81](#_Toc256000115)

[GM2 ACNS.C.PBN.101 Applicability.................................................................................................... 83](#_Toc256000116)

[Subsection 2 – Generic specifications for performance-based lateral navigation......... 83](#_Toc256000117)

[APPLICABILITY................................................................................................ 83](#_Toc256000118)

[CS ACNS.C.PBN.201 Applicability........................................................................................................ 84](#_Toc256000119)

[SYSTEM QUALIFICATION CRITERIA................................................................... 84](#_Toc256000120)

[CS ACNS.C.PBN.205 RNP system approval........................................................................................ 85](#_Toc256000121)

[AMC1 ACNS.C.PBN.205 RNP system approval............................................................................. 85](#_Toc256000122)

[AMC2 ACNS.C.PBN.205 RNP system approval............................................................................. 86](#_Toc256000123)

[AMC3 ACNS.C.PBN.205 RNP system approval............................................................................. 86](#_Toc256000124)

[GM1 ACNS.C.PBN.205 RNP system approval............................................................................... 86](#_Toc256000125)

[GM2 ACNS.C.PBN.205 RNP system approval............................................................................... 86](#_Toc256000126)

[GM3 ACNS.C.PBN.205 RNP system approval............................................................................... 87](#_Toc256000127)

[CS ACNS.C.PBN.210 Position source................................................................................................... 88](#_Toc256000128)

[AMC1 ACNS.C.PBN.210 Position source...................................................................................... 88](#_Toc256000129)

[FUNCTIONAL CRITERIA.................................................................................... 88](#_Toc256000130)

[RNP system.............................................................................................................................................. 88](#_Toc256000131)

[CS ACNS.C.PBN.215 Position estimation...................................................................................... 89](#_Toc256000132)

[AMC1 ACNS.C.PBN.215 Position estimation....................................................................................................................................................... 89](#_Toc256000133)

[GM1 ACNS.C.PBN.215 Position estimation......................................................................................................................................................... 89](#_Toc256000134)

[CS ACNS.C.PBN.220 Navigation source selection and reversion................................................. 90](#_Toc256000135)

[AMC1 ACNS.C.PBN.220 Navigation source selection and reversion.................................................................................................................. 90](#_Toc256000136)

[CS ACNS.C.PBN.225 Reasonableness check of distance-measuring equipment (DME).............. 91](#_Toc256000137)

[AMC1 ACNS.C.PBN.225 Reasonableness check of distance-measuring equipment (DME)............................................................................... 91](#_Toc256000138)

[CS ACNS.C.PBN.230 Flight plan management.............................................................................. 92](#_Toc256000139)

[AMC1 ACNS.C.PBN.230 Flight plan management............................................................................................................................................... 92](#_Toc256000140)

[CS ACNS.C.PBN.235 Automatic leg sequencing........................................................................... 93](#_Toc256000141)

[AMC1 ACNS.C.PBN.235 Automatic leg sequencing............................................................................................................................................ 93](#_Toc256000142)

[CS ACNS.C.PBN.240 Route/procedure extraction and loading.................................................... 94](#_Toc256000143)

[AMC1 ACNS.C.PBN.240 Route/procedure extraction and loading..................................................................................................................... 94](#_Toc256000144)

[CS ACNS.C.PBN.245 Path definition and leg transition................................................................ 95](#_Toc256000145)

[AMC1 ACNS.C.PBN.245 Path definition and leg transition................................................................................................................................. 95](#_Toc256000146)

[GM1 ACNS.C.PBN.245 Path definition and leg transition................................................................................................................................... 95](#_Toc256000147)

[CS ACNS.C.PBN.250 ‘Direct-to’ function...................................................................................... 97](#_Toc256000148)

[AMC1 ACNS.C.PBN.250 ‘Direct-to’ function....................................................................................................................................................... 97](#_Toc256000149)

[CS ACNS.C.PBN.255 Magnetic variation....................................................................................... 98](#_Toc256000150)

[AMC1 ACNS.C.PBN.255 Magnetic variation....................................................................................................................................................... 98](#_Toc256000151)

[CS ACNS.C.PBN.260 RNAV holding............................................................................................... 99](#_Toc256000152)

[AMC1 ACNS.C.PBN.260 RNAV holding................................................................................................................................................................ 99](#_Toc256000153)

[GM1 ACNS.C.PBN.260 RNAV holding.................................................................................................................................................................. 99](#_Toc256000154)

[CS ACNS.C.PBN.265 User-defined routes and fixes................................................................... 100](#_Toc256000155)

[AMC1 ACNS.C.PBN.265 User-defined routes and fixes.................................................................................................................................... 100](#_Toc256000156)

[GM1 ACNS.C.PBN.265 User-defined routes and fixes...................................................................................................................................... 100](#_Toc256000157)

[CS ACNS.C.PBN.270 Navigation accuracy................................................................................... 101](#_Toc256000158)

[AMC1 ACNS.C.PBN.270 Navigation accuracy................................................................................................................................................... 101](#_Toc256000159)

[Display of navigation data.................................................................................................................. 101](#_Toc256000160)

[CS ACNS.C.PBN.275 Display and entry of navigation data — resolution................................... 102](#_Toc256000161)

[AMC1 ACNS.C.PBN.275 Display and entry of navigation data — resolution.................................................................................................... 102](#_Toc256000162)

[CS ACNS.C.PBN.280 Deviation display....................................................................................... 103](#_Toc256000163)

[AMC1 ACNS.C.PBN.280 Deviation display........................................................................................................................................................ 103](#_Toc256000164)

[AMC2 ACNS.C.PBN.280 Deviation display........................................................................................................................................................ 103](#_Toc256000165)

[AMC3 ACNS.C.PBN.280 Deviation display........................................................................................................................................................ 103](#_Toc256000166)

[CS ACNS.C.PBN.285 Display of active waypoint......................................................................... 104](#_Toc256000167)

[AMC1 ACNS.C.PBN.285 Display of active waypoint.......................................................................................................................................... 104](#_Toc256000168)

[AMC2 ACNS.C.PBN.285 Display of active waypoint.......................................................................................................................................... 104](#_Toc256000169)

[CS ACNS.C.PBN.290 Display of ground speed............................................................................ 105](#_Toc256000170)

[AMC1 ACNS.C.PBN.290 Display of ground speed............................................................................................................................................. 105](#_Toc256000171)

[CS ACNS.C.PBN.2105 Display of speed constraints.................................................................... 106](#_Toc256000172)

[AMC1 ACNS.C.PBN.2105 Display of speed constraints..................................................................................................................................... 106](#_Toc256000173)

[CS ACNS.C.PBN.2110 Display of navigation aid frequencies and/or identifiers........................ 107](#_Toc256000174)

[Navigation database............................................................................................................................ 107](#_Toc256000175)

[CS ACNS.C.PBN.2115 Use of navigation database..................................................................... 108](#_Toc256000176)

[AMC1 ACNS.C.PBN.2115 Use of navigation database...................................................................................................................................... 108](#_Toc256000177)

[GM1 ACNS.C.PBN.2115 Use of navigation database........................................................................................................................................ 108](#_Toc256000178)

[CS ACNS.C.PBN.2120 Data quality requirements (DQRs).......................................................... 109](#_Toc256000179)

[AMC1 ACNS.C.PBN.2120 Data quality requirements (DQRs)........................................................................................................................... 109](#_Toc256000180)

[CS ACNS.C.PBN.2125 Extraction and display of navigation data............................................... 110](#_Toc256000181)

[AMC1 ACNS.C.PBN.2125 Extraction and display of navigation data................................................................................................................ 110](#_Toc256000182)

[GM1 ACNS.C.PBN.2125 Extraction and display of navigation data.................................................................................................................. 110](#_Toc256000183)

[Monitoring and alerting..................................................................................................................... 110](#_Toc256000184)

[CS ACNS.C.PBN.2130 Alerting associated with degradation of navigation............................... 111](#_Toc256000185)

[AMC1 ACNS.C.PBN.2130 Alerting associated with degradation of navigation................................................................................................ 111](#_Toc256000186)

[CS ACNS.C.PBN.2135 Navigation accuracy alerting................................................................... 112](#_Toc256000187)

[AMC1 ACNS.C.PBN.2135 Navigation accuracy alerting.................................................................................................................................... 112](#_Toc256000188)

[PERFORMANCE CRITERIA.............................................................................. 112](#_Toc256000189)

[Lateral performance............................................................................................................................ 112](#_Toc256000190)

[CS ACNS.C.PBN.2140 Lateral navigation accuracy..................................................................... 113](#_Toc256000191)

[AMC1 ACNS.C.PBN.2140 Lateral navigation accuracy...................................................................................................................................... 113](#_Toc256000192)

[CS ACNS.C.PBN.2145 RNP system design — integrity............................................................... 114](#_Toc256000193)

[AMC1 ACNS.C.PBN.2145 RNP system design — integrity................................................................................................................................ 114](#_Toc256000194)

[CS ACNS.C.PBN.2150 RNP system design — continuity............................................................. 115](#_Toc256000195)

[AMC1 ACNS.C.PBN.2150 RNP system design — continuity.............................................................................................................................. 115](#_Toc256000196)

[Subsection 3 – Supplementary specifications for lateral navigation in final approach. 115](#_Toc256000197)

[APPLICABILITY.............................................................................................. 115](#_Toc256000198)

[CS ACNS.C.PBN.301 Applicability...................................................................................................... 116](#_Toc256000199)

[GM1 ACNS.C.PBN.301 Applicability........................................................................................... 116](#_Toc256000200)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 116](#_Toc256000201)

[RNP system........................................................................................................................................... 116](#_Toc256000202)

[CS ACNS.C.PBN.305 RNP system approval................................................................................. 117](#_Toc256000203)

[AMC 1 ACNS.C.PBN.305 RNP system approval................................................................................................................................................. 117](#_Toc256000204)

[CS ACNS.C.PBN.310 Final approach intercept........................................................................... 118](#_Toc256000205)

[AMC1 ACNS.C.PBN.310 Final approach intercept............................................................................................................................................ 118](#_Toc256000206)

[GM1 ACNS.C.PBN.310 Final approach intercept.............................................................................................................................................. 118](#_Toc256000207)

[Display of navigation data.................................................................................................................. 118](#_Toc256000208)

[CS ACNS.C.PBN.320 Approach mode indication........................................................................ 119](#_Toc256000209)

[GM1 ACNS.C.PBN.320 Approach mode indication........................................................................................................................................... 119](#_Toc256000210)

[CS ACNS.C.PBN.325 Lateral deviation display........................................................................... 120](#_Toc256000211)

[AMC1 ACNS.C.PBN.325 Lateral deviation display............................................................................................................................................. 120](#_Toc256000212)

[CS ACNS.C.PBN.330 Non-numeric lateral deviation display scaling for approach.................... 121](#_Toc256000213)

[AMC1 ACNS.C.PBN.330 Non-numeric lateral deviation display scaling for approach..................................................................................... 121](#_Toc256000214)

[CS ACNS.C.PBN.335 Display of distance to threshold................................................................ 122](#_Toc256000215)

[Subsection 4 – Supplementary specifications for vertical navigation......................... 122](#_Toc256000216)

[APPLICABILITY.............................................................................................. 122](#_Toc256000217)

[CS ACNS.C.PBN.401 Applicability...................................................................................................... 123](#_Toc256000218)

[GM1 ACNS.C.PBN.401 Applicability........................................................................................... 123](#_Toc256000219)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 123](#_Toc256000220)

[RNP system........................................................................................................................................... 123](#_Toc256000221)

[CS ACNS.C.PBN.405 Vertical path.............................................................................................. 124](#_Toc256000222)

[CS ACNS.C.PBN.410 Altitude constraints................................................................................... 125](#_Toc256000223)

[AMC1 ACNS.C.PBN.410 Altitude constraints.................................................................................................................................................... 125](#_Toc256000224)

[CS ACNS.C.PBN.420 Pressure settings....................................................................................... 126](#_Toc256000225)

[GM1 ACNS.C.PBN.420 Pressure settings.......................................................................................................................................................... 126](#_Toc256000226)

[Subsection 5 – Supplementary specifications for vertical navigation in final approach 126](#_Toc256000227)

[APPLICABILITY.............................................................................................. 126](#_Toc256000228)

[CS ACNS.C.PBN.501 Applicability...................................................................................................... 127](#_Toc256000229)

[GM1 ACNS.C.PBN.501 Applicability........................................................................................... 127](#_Toc256000230)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 127](#_Toc256000231)

[RNP system........................................................................................................................................... 127](#_Toc256000232)

[CS ACNS.C.PBN.505 Vertical approach path.............................................................................. 128](#_Toc256000233)

[AMC 1 ACNS.C.PBN.505 Vertical approach path.............................................................................................................................................. 128](#_Toc256000234)

[CS ACNS.C.PBN.515 Pressure settings....................................................................................... 129](#_Toc256000235)

[GM1 ACNS.C.PBN.515 Pressure settings.......................................................................................................................................................... 129](#_Toc256000236)

[CS ACNS.C.PBN.520 Glide path intercept................................................................................... 130](#_Toc256000237)

[AMC1 ACNS.C.PBN.520 Glide path intercept................................................................................................................................................... 130](#_Toc256000238)

[CS ACNS.C.PBN.525 Temperature compensation...................................................................... 131](#_Toc256000239)

[AMC1 ACNS.C.PBN.525 Temperature compensation....................................................................................................................................... 131](#_Toc256000240)

[Display of navigation data.................................................................................................................. 131](#_Toc256000241)

[CS ACNS.C.PBN.530 Vertical deviation display.......................................................................... 132](#_Toc256000242)

[AMC1 ACNS.C.PBN.530 Vertical deviation display........................................................................................................................................... 132](#_Toc256000243)

[AMC2 ACNS.C.PBN.530 Vertical deviation display........................................................................................................................................... 132](#_Toc256000244)

[CS ACNS.C.PBN.535 Resolution and full-scale deflection of the vertical deviation display...... 133](#_Toc256000245)

[AMC1 ACNS.C.PBN.535 Resolution and full-scale deflection of the vertical deviation display....................................................................... 133](#_Toc256000246)

[GM1 ACNS.C.PBN.535 Resolution and full-scale deflection of the vertical deviation display......................................................................... 134](#_Toc256000247)

[CS ACNS.C.PBN.540 Barometric altitude................................................................................... 135](#_Toc256000248)

[CS ACNS.C.PBN.545 Active approach mode display.................................................................. 136](#_Toc256000249)

[Monitoring and alerting..................................................................................................................... 136](#_Toc256000250)

[CS ACNS.C.PBN.550 Glide path alerting..................................................................................... 137](#_Toc256000251)

[AMC1 ACNS.C.PBN.550 Glide path alerting...................................................................................................................................................... 137](#_Toc256000252)

[SUPPLEMENTARY PERFORMANCE CRITERIA................................................... 137](#_Toc256000253)

[Vertical performance.......................................................................................................................... 137](#_Toc256000254)

[CS ACNS.C.PBN.555 Vertical accuracy when using barometric VNAV....................................... 138](#_Toc256000255)

[AMC1 ACNS.C.PBN.555 Vertical accuracy when using barometric VNAV........................................................................................................ 138](#_Toc256000256)

[CS ACNS.C.PBN.560 Vertical accuracy when using SBAS/GNSS geometric altitude sources.... 140](#_Toc256000257)

[AMC1 ACNS.C.PBN.560 Vertical accuracy when using SBAS/GNSS geometric altitude sources..................................................................... 140](#_Toc256000258)

[GM1 ACNS.C.PBN.560 Vertical accuracy when using SBAS/GNSS geometric altitude sources....................................................................... 141](#_Toc256000259)

[CS ACNS.C.PBN.565 Transitions................................................................................................. 142](#_Toc256000260)

[AMC 1 ACNS.C.PBN.565 Transitions................................................................................................................................................................. 142](#_Toc256000261)

[CS ACNS.C.PBN.570 Advisory VNAV........................................................................................... 143](#_Toc256000262)

[AMC1 ACNS.C.PBN.570 Advisory VNAV............................................................................................................................................................ 143](#_Toc256000263)

[GM1 ACNS.C.PBN.570 Advisory VNAV.............................................................................................................................................................. 143](#_Toc256000264)

[CS ACNS.C.PBN.575 RNP system design — integrity in final approach..................................... 144](#_Toc256000265)

[AMC1 ACNS.C.PBN.575 RNP system design — integrity in final approach...................................................................................................... 144](#_Toc256000266)

[CS ACNS.C.PBN.580 RNP system design — continuity............................................................... 145](#_Toc256000267)

[AMC1 ACNS.C.PBN.580 RNP system design — continuity................................................................................................................................ 145](#_Toc256000268)

[Subsection 6 – Supplementary specifications for RNP authorisation required (RNP AR) 145](#_Toc256000269)

[APPLICABILITY.............................................................................................. 145](#_Toc256000270)

[CS ACNS.C.PBN.601 Applicability...................................................................................................... 146](#_Toc256000271)

[AMC1 ACNS.C.PBN.601 Applicability......................................................................................... 146](#_Toc256000272)

[GM1 ACNS.C.PBN.601 Applicability........................................................................................... 146](#_Toc256000273)

[SUPPLEMENTARY SYSTEM QUALIFICATION.................................................... 146](#_Toc256000274)

[CS ACNS.C.PBN.605 System performance demonstration.......................................................... 147](#_Toc256000275)

[AMC1 ACNS.C.PBN.605 System performance demonstration.................................................. 147](#_Toc256000276)

[GM1 ACNS.C.PBN.605 System performance demonstration.................................................... 148](#_Toc256000277)

[CS ACNS.C.PBN.610 Source of horizontal position........................................................................ 150](#_Toc256000278)

[AMC1 ACNS.C.PBN.610 Source of horizontal position.............................................................. 150](#_Toc256000279)

[GM1 ACNS.C.PBN.610 Source of horizontal position................................................................ 150](#_Toc256000280)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 150](#_Toc256000281)

[RNP system........................................................................................................................................... 150](#_Toc256000282)

[CS ACNS.C.PBN.615 Autopilot/Flight director........................................................................... 151](#_Toc256000283)

[CS ACNS.C.PBN.620 Reversion................................................................................................... 152](#_Toc256000284)

[GM1 ACNS.C.PBN.620 Reversion...................................................................................................................................................................... 152](#_Toc256000285)

[CS ACNS.C.PBN.625 Go-around and missed approach.............................................................. 153](#_Toc256000286)

[GM1 ACNS.C.PBN.625 Go-around and missed approach................................................................................................................................. 153](#_Toc256000287)

[CS ACNS.C.PBN.630 Radius to fix (RF) leg transition.................................................................. 154](#_Toc256000288)

[AMC1 ACNS.C.PBN.630 Radius to fix (RF) leg transition.................................................................................................................................. 154](#_Toc256000289)

[CS ACNS.C.PBN.635 Navigation accuracy for RNP AR operations............................................. 155](#_Toc256000290)

[AMC1 ACNS.C.PBN.635 Navigation accuracy for RNP AR operations.............................................................................................................. 155](#_Toc256000291)

[CS ACNS.C.PBN.640 RNP AR departures – Functional Requirements....................................... 156](#_Toc256000292)

[AMC1 ACNS.C.PBN.640 RNP AR departures..................................................................................................................................................... 156](#_Toc256000293)

[GM1 ACNS.C.PBN.640 RNP AR departures....................................................................................................................................................... 156](#_Toc256000294)

[CS ACNS.C.PBN.645 RNP AR departures – Take off performance Data..................................... 157](#_Toc256000295)

[Display of navigation data.................................................................................................................. 157](#_Toc256000296)

[CS ACNS.C.PBN.650 Display of aircraft track............................................................................. 158](#_Toc256000297)

[CS ACNS.C.PBN.655 Lateral deviation display............................................................................ 159](#_Toc256000298)

[AMC1 ACNS.C.PBN.655 Lateral deviation display............................................................................................................................................. 159](#_Toc256000299)

[Navigation database............................................................................................................................ 159](#_Toc256000300)

[CS ACNS.C.PBN.660 Use of a navigation database.................................................................... 160](#_Toc256000301)

[AMC1 ACNS.C.PBN.660 Use of a navigation database..................................................................................................................................... 160](#_Toc256000302)

[Vertical performance.......................................................................................................................... 160](#_Toc256000303)

[CS ACNS.C.PBN.670 Vertical accuracy........................................................................................ 161](#_Toc256000304)

[AMC1 ACNS.C.PBN.670 Vertical accuracy........................................................................................................................................................ 161](#_Toc256000305)

[AMC2 ACNS.C.PBN.670 Vertical accuracy........................................................................................................................................................ 161](#_Toc256000306)

[SUPPLEMENTARY PERFORMANCE CRITERIA................................................... 162](#_Toc256000307)

[CS ACNS.C.PBN.675 RNP system design – RNP AR integrity....................................................... 163](#_Toc256000308)

[AMC1 ACNS.C.PBN.675 RNP system design — RNP AR integrity.............................................. 163](#_Toc256000309)

[GM1 ACNS.C.PBN.675 RNP system design – RNP AR integrity.................................................. 163](#_Toc256000310)

[CS ACNS.C.PBN.680 RNP system design – RNP AR continuity.................................................... 164](#_Toc256000311)

[AMC1 ACNS.C.PBN.680 RNP system design — RNP AR continuity............................................ 164](#_Toc256000312)

[GM1 ACNS.C.PBN.680 RNP system design – RNP AR continuity............................................... 164](#_Toc256000313)

[Subsection 7 – Supplementary specifications for applications for advanced RNP (A-RNP) 164](#_Toc256000314)

[APPLICABILITY.............................................................................................. 164](#_Toc256000315)

[CS ACNS.C.PBN.701 Applicability...................................................................................................... 165](#_Toc256000316)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 165](#_Toc256000317)

[RNP system........................................................................................................................................... 165](#_Toc256000318)

[CS ACNS.C.PBN.705 Radius to Fix............................................................................................... 166](#_Toc256000319)

[CS ACNS.C.PBN.710 Parallel offset............................................................................................. 167](#_Toc256000320)

[CS ACNS.C.PBN.715 RNP scalability........................................................................................... 168](#_Toc256000321)

[AMC1 ACNS.C.PBN.715 RNP scalability............................................................................................................................................................ 168](#_Toc256000322)

[Display of navigation data.................................................................................................................. 168](#_Toc256000323)

[CS ACNS.C.PBN.725 Display of aircraft track............................................................................. 169](#_Toc256000324)

[Subsection 8 – Supplementary specifications supporting radius to fix (RF)................ 169](#_Toc256000325)

[APPLICABILITY.............................................................................................. 169](#_Toc256000326)

[CS ACNS.C.PBN.801 Applicability...................................................................................................... 170](#_Toc256000327)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 170](#_Toc256000328)

[RNP system........................................................................................................................................... 170](#_Toc256000329)

[CS ACNS.C.PBN.805 RF functional requirements....................................................................... 171](#_Toc256000330)

[AMC1 ACNS.C.PBN.805 RF functional requirements........................................................................................................................................ 171](#_Toc256000331)

[GM1 ACNS.C.PBN.805 RF functional requirements.......................................................................................................................................... 171](#_Toc256000332)

[CS ACNS.C.PBN.810 RNP failure................................................................................................. 172](#_Toc256000333)

[CS ACNS.C.PBN.815 Autopilot/Flight director........................................................................... 173](#_Toc256000334)

[AMC1 ACNS.C.PBN.815 Autopilot/Flight director............................................................................................................................................ 173](#_Toc256000335)

[Display of navigation data.................................................................................................................. 173](#_Toc256000336)

[CS ACNS.C.PBN.820 Display of computed path......................................................................... 174](#_Toc256000337)

[Subsection 9 – Supplementary specifications supporting fixed radius transition (FRT) 174](#_Toc256000338)

[APPLICABILITY.............................................................................................. 174](#_Toc256000339)

[CS ACNS.C.PBN.901 Applicability...................................................................................................... 175](#_Toc256000340)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 175](#_Toc256000341)

[RNP system........................................................................................................................................... 175](#_Toc256000342)

[CS ACNS.C.PBN.905 Fixed radius transition (FRT) requirements............................................... 176](#_Toc256000343)

[AMC1 ACNS.C.PBN.905 Fixed radius transition (FRT) requirements................................................................................................................ 176](#_Toc256000344)

[GM1 ACNS.C.PBN.905 Fixed radius transition (FRT) requirements.................................................................................................................. 176](#_Toc256000345)

[Display of navigation data.................................................................................................................. 176](#_Toc256000346)

[CS ACNS.C.PBN.910 Display of the computed path................................................................... 177](#_Toc256000347)

[Subsection 10 – Supplementary specifications supporting parallel offset.................. 177](#_Toc256000348)

[APPLICABILITY.............................................................................................. 177](#_Toc256000349)

[CS ACNS.C.PBN.1001 Applicability.................................................................................................... 178](#_Toc256000350)

[SUPPLEMENTARY FUNCTIONAL CRITERIA....................................................... 178](#_Toc256000351)

[RNP system........................................................................................................................................... 178](#_Toc256000352)

[CS ACNS.C.PBN.1005 Parallel offset capabilities....................................................................... 179](#_Toc256000353)

[AMC1 ACNS.C.PBN.1005 Parallel offset capabilities........................................................................................................................................ 179](#_Toc256000354)

[Display of navigation data.................................................................................................................. 180](#_Toc256000355)

[CS ACNS.C.PBN.1010 Indication of parallel offset status........................................................... 181](#_Toc256000356)

[Appendix A — Guidance on classification of Failure Conditions........................................ 181](#_Toc256000357)

[Appendix B — INS/IRU standard performance and functionality...................................... 182](#_Toc256000358)

[Appendix C — Installation and testing guidance.............................................................. 182](#_Toc256000359)

[Appendix D — RF leg demonstration templates............................................................... 189](#_Toc256000360)

[Subpart D — Surveillance (SUR)...................................................... 204](#_Toc256000361)

[Section 1 – Mode A/C only surveillance........................................................................... 204](#_Toc256000362)

[General................................................................................................................. 204](#_Toc256000363)

[CS ACNS.D.AC.001 Applicability..................................................................... 205](#_Toc256000364)

[GM1 ACNS.D.AC.001 Applicability.................................................................................................... 205](#_Toc256000365)

[System Functional Requirements............................................................................ 205](#_Toc256000366)

[CS ACNS.D.AC.010 Transponder characteristics.............................................. 206](#_Toc256000367)

[AMC1 ACNS.D.AC.010 Transponder characteristics..................................................................... 206](#_Toc256000368)

[CS ACNS.D.AC.015 Data transmission............................................................ 208](#_Toc256000369)

[AMC1 ACNS.D.AC.015 Data transmission....................................................................................... 208](#_Toc256000370)

[CS ACNS.D.AC.020 Altitude source................................................................ 209](#_Toc256000371)

[AMC1 ACNS.D.AC.020 Altitude source............................................................................................ 209](#_Toc256000372)

[CS ACNS.D.AC.025 Flight deck interface......................................................... 210](#_Toc256000373)

[AMC1 ACNS.D.AC.025 Flight deck interface................................................................................... 210](#_Toc256000374)

[System Performance Requirements........................................................................ 210](#_Toc256000375)

[CS ACNS.D.AC.030 Integrity.......................................................................... 211](#_Toc256000376)

[CS ACNS.D.AC.035 Continuity........................................................................ 212](#_Toc256000377)

[Installation Requirements...................................................................................... 212](#_Toc256000378)

[CS ACNS.D.AC.040 Dual/multiple transponder installation.............................. 213](#_Toc256000379)

[AMC1 ACNS.D.AC.040 Dual/multiple transponder installation.................................................. 213](#_Toc256000380)

[CS ACNS.D.AC.045 Antenna installation......................................................... 214](#_Toc256000381)

[AMC1 ACNS.D.AC.045 Antenna Installation................................................................................... 214](#_Toc256000382)

[Section 2 – Mode S elementary surveillance.................................................................... 214](#_Toc256000383)

[General................................................................................................................. 214](#_Toc256000384)

[CS ACNS.D.ELS.001 Applicability.................................................................... 215](#_Toc256000385)

[AMC1 ACNS.D.ELS.001 Applicability................................................................................................ 215](#_Toc256000386)

[System Functional Requirements............................................................................ 215](#_Toc256000387)

[CS ACNS.D.ELS.010 Transponder characteristics............................................. 216](#_Toc256000388)

[AMC1 ACNS.D.ELS.010 Transponder characteristics.................................................................... 216](#_Toc256000389)

[CS ACNS.D.ELS.015 Data transmission........................................................... 218](#_Toc256000390)

[AMC1 ACNS.D.ELS.015 Data transmission...................................................................................... 218](#_Toc256000391)

[CS ACNS.D.ELS.020 On-the-ground status determination................................ 221](#_Toc256000392)

[AMC1 ACNS.D.ELS.020 On-the-ground status determination.................................................... 221](#_Toc256000393)

[CS ACNS.D.ELS.025 Altitude source............................................................... 222](#_Toc256000394)

[AMC1 ACNS.D.ELS.025 Altitude source........................................................................................... 222](#_Toc256000395)

[CS ACNS.D.ELS.030 Flight deck interface........................................................ 224](#_Toc256000396)

[AMC1 ACNS.D.ELS.030 Flight deck interface.................................................................................. 224](#_Toc256000397)

[System Performance Requirements........................................................................ 224](#_Toc256000398)

[CS ACNS.D.ELS.040 Integrity.......................................................................... 225](#_Toc256000399)

[CS ACNS.D.ELS.045 Continuity....................................................................... 226](#_Toc256000400)

[AMC1 ACNS.D.ELS.045 Continuity.................................................................................................... 226](#_Toc256000401)

[Installation requirements....................................................................................... 226](#_Toc256000402)

[CS ACNS.D.ELS.050 Dual/multiple transponder installation............................. 227](#_Toc256000403)

[AMC1 ACNS.D.ELS.050 Dual/multiple transponder installation................................................ 227](#_Toc256000404)

[CS ACNS.D.ELS.055 ICAO 24-bit Aircraft address............................................. 228](#_Toc256000405)

[CS ACNS.D.ELS.060 Antenna installation........................................................ 229](#_Toc256000406)

[AMC1 ACNS.D.ELS.060 Antenna Installation.................................................................................. 229](#_Toc256000407)

[CS ACNS.D.ELS.065 Antenna diversity............................................................ 230](#_Toc256000408)

[AMC1 ACNS.D.ELS.065 Antenna Diversity...................................................................................... 230](#_Toc256000409)

[Section 3 – Mode S Enhanced Surveillance...................................................................... 230](#_Toc256000410)

[General................................................................................................................. 230](#_Toc256000411)

[CS ACNS.D.EHS.001 Applicability................................................................... 231](#_Toc256000412)

[AMC1 ACNS.D.EHS.001 Applicability............................................................................................... 231](#_Toc256000413)

[System Functional Requirements............................................................................ 231](#_Toc256000414)

[CS ACNS.D.EHS.010 Transponder characteristics............................................ 232](#_Toc256000415)

[AMC1 ACNS.D.EHS.010 Transponder characteristics................................................................... 232](#_Toc256000416)

[CS ACNS.D.EHS.015 Data transmission........................................................... 233](#_Toc256000417)

[AMC1 ACNS.D.EHS.015 Data transmission..................................................................................... 233](#_Toc256000418)

[System Performance Requirements........................................................................ 236](#_Toc256000419)

[CS ACNS.D.EHS.020 Integrity......................................................................... 237](#_Toc256000420)

[CS ACNS.D.EHS.025 Continuity...................................................................... 238](#_Toc256000421)

[Section 4 – 1090 MHz Extended Squitter ADS-B............................................................... 238](#_Toc256000422)

[General................................................................................................................. 238](#_Toc256000423)

[CS ACNS.D.ADSB.001 Applicability................................................................. 239](#_Toc256000424)

[GM1 ACNS.D.ADSB.001 Applicability............................................................................................... 239](#_Toc256000425)

[System Functional Requirements............................................................................ 239](#_Toc256000426)

[CS ACNS.D.ADSB.010 ADS-B Out system approval.......................................... 240](#_Toc256000427)

[AMC1 ACNS.D.ADSB.010 ADS-B Out system approval................................................................. 240](#_Toc256000428)

[ADS-B Out Data..................................................................................................... 240](#_Toc256000429)

[CS ACNS.D.ADSB.020 ADS-B Out Data Parameters.......................................... 241](#_Toc256000430)

[AMC1 ACNS.D.ADSB.020(a-b) ADS-B Out data parameters........................................................ 242](#_Toc256000431)

[CS ACNS.D.ADSB.025 Provision of data.......................................................... 243](#_Toc256000432)

[AMC1 ACNS.D.ADSB.025(a) Provision of data — Approved sources........................................ 243](#_Toc256000433)

[AMC1 ACNS.D.ADSB.025(c) Provision of data – Data quality indication and associated data 243](#_Toc256000434)

[ADS-B Transmit Unit.............................................................................................. 244](#_Toc256000435)

[CS ACNS.D.ADSB.030 ADS-B Transmit Unit Approval....................................... 245](#_Toc256000436)

[AMC1 ACNS.D.ADSB.030 ADS-B Transmit unit installation......................................................... 245](#_Toc256000437)

[CS ACNS.D.ADSB.035 ICAO 24-bit Aircraft address.......................................... 246](#_Toc256000438)

[CS ACNS.D.ADSB.040 Antenna diversity......................................................... 247](#_Toc256000439)

[AMC1 ACNS.D.ADSB.040 Antenna Diversity.................................................................................. 247](#_Toc256000440)

[CS ACNS.D.ADSB.045 Antenna installation..................................................... 248](#_Toc256000441)

[CS ACNS.D.ADSB.050 Transmit power............................................................ 249](#_Toc256000442)

[CS ACNS.D.ADSB.055 Simultaneous operation of ADS-B transmit units............ 250](#_Toc256000443)

[AMC1 ACNS.D.ADSB.055 Simultaneous operation of ADS-B transmit units........................... 250](#_Toc256000444)

[CS ACNS.D.ADSB.060 On-the-ground status determination............................. 251](#_Toc256000445)

[AMC1 ACNS.D.ADSB.060 On-the-ground status Determination................................................ 251](#_Toc256000446)

[Horizontal Position and Velocity Data Sources......................................................... 251](#_Toc256000447)

[CS ACNS.D.ADSB.070 Horizontal Position and Velocity Data Sources............... 252](#_Toc256000448)

[AMC1 ACNS.D.ADSB.070 Horizontal Position and Velocity Data Sources................................ 252](#_Toc256000449)

[Other Data Sources................................................................................................ 254](#_Toc256000450)

[CS ACNS.D.ADSB.080 Data Sources as defined by Mode S Elementary and Enhanced Surveillance 255](#_Toc256000451)

[AMC1 ACNS.D.ADSB.080 Data sources as defined by Mode S elementary and enhanced surveillance 255](#_Toc256000452)

[CS ACNS.D.ADSB.085 Geometric Altitude....................................................... 257](#_Toc256000453)

[AMC1 ACNS.D.ADSB.085 Geometric Altitude................................................................................ 257](#_Toc256000454)

[Flight Deck Control and Indication Capabilities........................................................ 258](#_Toc256000455)

[CS ACNS.D.ADSB.090 Flight deck interface..................................................... 259](#_Toc256000456)

[AMC1 ACNS.D.ADSB.090(a) Flight deck interface......................................................................... 259](#_Toc256000457)

[AMC1 ACNS.D.ADSB.090(b) Flight Deck Interface........................................................................ 259](#_Toc256000458)

[System Performance Requirements........................................................................ 260](#_Toc256000459)

[CS ACNS.D.ADSB.100 Integrity....................................................................... 261](#_Toc256000460)

[CS ACNS.D.ADSB.105 Continuity.................................................................... 262](#_Toc256000461)

[AMC1 ACNS.D.ADSB.105 Continuity................................................................................................ 262](#_Toc256000462)

[Horizontal Position and Velocity Data Refresh Rate and Latency............................... 262](#_Toc256000463)

[CS ACNS.D.ADSB.110 Horizontal position and velocity data refresh rate.......... 263](#_Toc256000464)

[AMC1 ACNS.D.ADSB.110 Horizontal Position and Velocity Data Refresh................................ 263](#_Toc256000465)

[CS ACNS.D.ADSB.115 Horizontal Position and Velocity Total Latency............... 264](#_Toc256000466)

[CS ACNS.D.ADSB.120 Horizontal Position Uncompensated Latency................. 265](#_Toc256000467)

[AMC1 ACNS.D.ADSB.115 and 120 Horizontal Position and Velocity Total and Uncompensated Latency 265](#_Toc256000468)

[Appendices..................................................................................................................... 266](#_Toc256000469)

[Appendix A – Background information on Mode A/C surveillance systems................ 266](#_Toc256000470)

[Appendix B – Background information on Mode S ELS............................................. 268](#_Toc256000471)

[Appendix C – Background information on Mode S EHS............................................. 271](#_Toc256000472)

[Appendix D – Differences between CS ACNS.D.ELS and JAA TGL 13 Rev1................... 276](#_Toc256000473)

[Appendix E – Differences between CS ACNS.D.EHS and EASA AMC 20-13.................. 276](#_Toc256000474)

[Appendix F – Example of Flight Manual Supplement for ELS/EHS.............................. 277](#_Toc256000475)

[Appendix G – Example of Flight Manual Supplement for ADS-B out.......................... 278](#_Toc256000476)

[Appendix H – Guidance on 1090-MHz extended squitter ADS-B Out......................... 280](#_Toc256000477)

[Appendix I – On-the-ground status Test and Validation Guidance for Aeroplanes...... 304](#_Toc256000478)

[Appendix J – Comparison between EASA CS ACNS.D.ADSB and FAA AC 20-165A Requirements 305](#_Toc256000479)

[Subpart E — Others......................................................................... 307](#_Toc256000480)

[Section 1 – Terrain Awareness and Warning System (TAWS)............................................ 307](#_Toc256000481)

[General................................................................................................................. 307](#_Toc256000482)

[CS ACNS.E.TAWS.001 Applicability................................................................ 308](#_Toc256000483)

[GM1 ACNS.E.TAWS.001 Applicability.............................................................................................. 308](#_Toc256000484)

[CS ACNS.E.TAWS.005 TAWS Equipment Approval........................................... 309](#_Toc256000485)

[AMC1 ACNS.E.TAWS.005 TAWS equipment approval.................................................................. 309](#_Toc256000486)

[System functional requirements............................................................................. 309](#_Toc256000487)

[CS ACNS.E.TAWS.010 Required Functions and Interfaces................................ 310](#_Toc256000488)

[AMC1 ACNS.E.TAWS.010 Required functions................................................................................ 311](#_Toc256000489)

[AMC2 ACNS.E.TAWS.010 Required functions................................................................................ 311](#_Toc256000490)

[CS ACNS.E.TAWS.015 FLTA function requirements......................................... 312](#_Toc256000491)

[AMC1 ACNS.E.TAWS.015 FLTA function requirements................................................................ 312](#_Toc256000492)

[CS ACNS.E.TAWS.020 PDA function requirements.......................................... 314](#_Toc256000493)

[GM1 ACNS.E.TAWS.020 PDA function requirements................................................................... 314](#_Toc256000494)

[CS ACNS.E.TAWS.025 Class A TAWS inhibition................................................ 315](#_Toc256000495)

[AMC1 ACNS.E.TAWS.025 Class A TAWS inhibition........................................................................ 315](#_Toc256000496)

[CS ACNS.E.TAWS.030 Terrain information display.......................................... 316](#_Toc256000497)

[AMC1 ACNS.E.TAWS.030 Terrain information display................................................................. 316](#_Toc256000498)

[CS ACNS.E.TAWS.035 Aural and visual alerts.................................................. 317](#_Toc256000499)

[AMC1 ACNS.E.TAWS.035 Aural and visual alerts.......................................................................... 317](#_Toc256000500)

[System performance requirements......................................................................... 319](#_Toc256000501)

[CS ACNS.E.TAWS.040 Integrity...................................................................... 320](#_Toc256000502)

[AMC1 ACNS.E.TAWS.040 Integrity................................................................................................... 320](#_Toc256000503)

[CS ACNS.E.TAWS.045 Continuity................................................................... 321](#_Toc256000504)

[AMC1 ACNS.E.TAWS.045 Continuity................................................................................................ 321](#_Toc256000505)

[GM1 ACNS.E.TAWS.045 Continuity.................................................................................................. 321](#_Toc256000506)

[CS ACNS.E.TAWS.050 GPWS.......................................................................... 322](#_Toc256000507)

[CS ACNS.E.TAWS.055 Terrain and airport information.................................... 323](#_Toc256000508)

[AMC1 ACNS.E.TAWS.055 Terrain and airport information......................................................... 323](#_Toc256000509)

[CS ACNS.E.TAWS.060 Positioning information................................................ 324](#_Toc256000510)

[AMC1 ACNS.E.TAWS.060 Positioning information........................................................................ 324](#_Toc256000511)

[Installation requirements....................................................................................... 325](#_Toc256000512)

[CS ACNS.E.TAWS.070 Failure mode............................................................... 326](#_Toc256000513)

[CS ACNS.E.TAWS.075 Prioritisation scheme................................................... 327](#_Toc256000514)

[AMC1 ACNS.E.TAWS.075 Prioritisation schemes.......................................................................... 327](#_Toc256000515)

[CS ACNS.E.TAWS.080 Pop-up mode............................................................... 329](#_Toc256000516)

[AMC1 ACNS.E.TAWS.080 Pop-up mode.......................................................................................... 329](#_Toc256000517)

[Appendices........................................................................................................... 329](#_Toc256000518)

[Appendix A – TAWS installations testing guidance material............................ 329](#_Toc256000519)

[Appendix B – Example of an acceptable TAWS installation.............................. 331](#_Toc256000520)

[Appendix C – Background information on terrain awareness and warning systems (TAWSs) 332](#_Toc256000521)

[Section 2 – Reduced Vertical Separation Minimum (RVSM).............................................. 334](#_Toc256000522)

[General................................................................................................................. 334](#_Toc256000523)

[CS ACNS.E.RVSM.001 Applicability................................................................ 335](#_Toc256000524)

[AMC1 ACNS.E.RVSM.001 Applicability............................................................................................ 335](#_Toc256000525)

[CS ACNS.E.RVSM.005 RVSM system............................................................... 336](#_Toc256000526)

[AMC1 ACNS.E.RVSM.005 RVSM system.......................................................................................... 336](#_Toc256000527)

[System functional requirements............................................................................. 336](#_Toc256000528)

[CS ACNS.E.RVSM.010 Required functions...................................................... 337](#_Toc256000529)

[AMC1 ACNS.E.RVSM.010 Required functions................................................................................ 337](#_Toc256000530)

[System performance requirements......................................................................... 337](#_Toc256000531)

[CS ACNS.E.RVSM.020 Integrity...................................................................... 338](#_Toc256000532)

[CS ACNS.E.RVSM.025 Continuity................................................................... 339](#_Toc256000533)

[CS ACNS.E.RVSM.030 RVSM system performance.......................................... 340](#_Toc256000534)

[AMC1 ACNS.E.RVSM.030 RVSM system performance requirement......................................... 340](#_Toc256000535)

[CS ACNS.E.RVSM.035 Altimetry system accuracy............................................ 341](#_Toc256000536)

[AMC1 ACNS.E.RVSM.035 Altimetry system accuracy.................................................................. 341](#_Toc256000537)

[GM1 ACNS.E.RVSM.035 Altimetry System Accuracy.................................................................... 344](#_Toc256000538)

[Appendices........................................................................................................... 345](#_Toc256000539)

[APPENDIX A – ALTIMETRY SYSTEM ERROR COMPONENTS............................... 345](#_Toc256000540)

[Appendix B – Examples of methods to establish and monitor static‑source errors (group aircraft only) 351](#_Toc256000541)

[Section 3 – Location of an Aircraft in Distress.................................................................. 354](#_Toc256000542)

[General................................................................................................................. 354](#_Toc256000543)

[CS ACNS.E.LAD.001 Applicability and scope................................................... 355](#_Toc256000544)

[GM1 ACNS.E.LAD.001 Applicability and scope.............................................................................. 355](#_Toc256000545)

[CS ACNS.E.LAD.010 Definitions...................................................................... 357](#_Toc256000546)

[GM1 ACNS.E.LAD.010 Definitions..................................................................................................... 358](#_Toc256000547)

[CS ACNS.E.LAD.020 System approval............................................................. 360](#_Toc256000548)

[AMC1 ACNS.E.LAD.020 System approval........................................................................................ 360](#_Toc256000549)

[AMC2 ACNS.E.LAD.020 System approval........................................................................................ 360](#_Toc256000550)

[AMC3 ACNS.E.LAD.020 System approval........................................................................................ 360](#_Toc256000551)

[Transmission......................................................................................................... 361](#_Toc256000552)

[CS ACNS.E.LAD.110 Transmission of the activation signals.............................. 362](#_Toc256000553)

[AMC1 ACNS.E.LAD.110 Transmission of the activation signals.................................................. 362](#_Toc256000554)

[AMC2 ACNS.E.LAD.110 Transmission of the activation signals.................................................. 362](#_Toc256000555)

[AMC3 ACNS.E.LAD.110 Transmission of the activation signals.................................................. 362](#_Toc256000556)

[GM1 ACNS.E.LAD.110 Transmission of the activation signals.................................................... 362](#_Toc256000557)

[CS ACNS.E.LAD.120 Repeated transmission of the activation signals................ 364](#_Toc256000558)

[AMC1 ACNS.E.LAD.120 Repeated transmission of the activation signals................................ 364](#_Toc256000559)

[CS ACNS.E.LAD.130 Transmission of the deactivation signals.......................... 365](#_Toc256000560)

[AMC1 ACNS.E.LAD.130 Transmission of the deactivation signals............................................. 365](#_Toc256000561)

[CS ACNS.E.LAD.140 Activation signals — essential information....................... 366](#_Toc256000562)

[AMC1 ACNS.E.LAD.140 Activation signals — essential information.......................................... 366](#_Toc256000563)

[GM1 ACNS.E.LAD.140 Activation signals — essential information............................................ 366](#_Toc256000564)

[CS ACNS.E.LAD.150 Activation signals — supplementary................................ 367](#_Toc256000565)

[GM1 ACNS.E.LAD.150 Activation signals — supplementary....................................................... 367](#_Toc256000566)

[CS ACNS.E.LAD.160 Deactivation signals — essential information................... 368](#_Toc256000567)

[CS ACNS.E.LAD.170 Transmission of a homing signal...................................... 369](#_Toc256000568)

[AMC1 ACNS.E.LAD.170 Transmission of a homing signal............................................................ 369](#_Toc256000569)

[GM1 ACNS.E.LAD.170 Transmission of a homing signal.............................................................. 369](#_Toc256000570)

[Operation, activation and deactivation................................................................... 370](#_Toc256000571)

[CS ACNS.E.LAD.210 Normal operation........................................................... 371](#_Toc256000572)

[AMC1 ACNS.E.LAD.210 Normal operation...................................................................................... 371](#_Toc256000573)

[AMC2 ACNS.E.LAD.210 Normal operation...................................................................................... 371](#_Toc256000574)

[GM1 ACNS.E.LAD.210 Normal operation........................................................................................ 371](#_Toc256000575)

[GM2 ACNS.E.LAD.210 Normal operation........................................................................................ 371](#_Toc256000576)

[CS ACNS.E.LAD.230 Continued operation after losing normal electrical power. 372](#_Toc256000577)

[GM1 ACNS.E.LAD.230 Continued operation after losing normal electrical power................ 372](#_Toc256000578)

[GM2 ACNS.E.LAD.230 Continued operation after losing normal electrical power................ 372](#_Toc256000579)

[CS ACNS.E.LAD.240 Automatic activation....................................................... 374](#_Toc256000580)

[AMC1 ACNS.E.LAD.240 Automatic activation................................................................................ 374](#_Toc256000581)

[AMC2 ACNS.E.LAD.240 Automatic activation................................................................................ 374](#_Toc256000582)

[GM1 ACNS.E.LAD.240 Automatic activation.................................................................................. 374](#_Toc256000583)

[GM2 ACNS.E.LAD.240 Automatic activation.................................................................................. 375](#_Toc256000584)

[CS ACNS.E.LAD.250 Manual activation........................................................... 376](#_Toc256000585)

[AMC1 ACNS.E.LAD.250 Manual activation..................................................................................... 376](#_Toc256000586)

[GM1 ACNS.E.LAD.250 Manual activation....................................................................................... 376](#_Toc256000587)

[CS ACNS.E.LAD.260 Automatic deactivation................................................... 377](#_Toc256000588)

[GM1 ACNS.E.LAD.260 Automatic deactivation.............................................................................. 377](#_Toc256000589)

[CS ACNS.E.LAD.270 Manual deactivation....................................................... 378](#_Toc256000590)

[CS ACNS.E.LAD.280 Indications to the flight crew and self‑monitoring............. 379](#_Toc256000591)

[AMC1 ACNS.E.LAD.280 Indications to the flight crew and self‑monitoring............................. 379](#_Toc256000592)

[GM1 ACNS.E.LAD.280 Indications to the flight crew and self‑monitoring............................... 379](#_Toc256000593)

[CS ACNS.E.LAD.290 Means to analyse automatic activation............................ 380](#_Toc256000594)

[AMC1 ACNS.E.LAD.290 Means to analyse automatic activation................................................ 380](#_Toc256000595)

[Robustness............................................................................................................ 380](#_Toc256000596)

[CS ACNS.E.LAD.310 Environmental and crash conditions encountered during accidents 381](#_Toc256000597)

[AMC1 ACNS.E.LAD.310 Environmental and crash conditions encountered during accidents 381](#_Toc256000598)

[AMC2 ACNS.E.LAD.310 Environmental and crash conditions encountered during accidents 384](#_Toc256000599)

[AMC3 ACNS.E.LAD.310 Environmental and crash conditions encountered during accidents 384](#_Toc256000600)

[AMC4 ACNS.E.LAD.310 Environmental and crash conditions encountered during accidents 385](#_Toc256000601)

[GM1 ACNS.E.LAD.310 Environmental and crash conditions encountered during accidents 385](#_Toc256000602)

[CS ACNS.E.LAD.320 Flight dynamics and locating the aircraft.......................... 386](#_Toc256000603)

[AMC1 ACNS.E.LAD.320 Flight dynamics and locating the aircraft............................................. 387](#_Toc256000604)

[AMC2 ACNS.E.LAD.320 Flight dynamics and locating the aircraft............................................. 387](#_Toc256000605)

[AMC3 ACNS.E.LAD.320 Flight dynamics and locating the aircraft............................................. 388](#_Toc256000606)

[GM1 ACNS.E.LAD.320 Flight dynamics and locating the aircraft............................................... 389](#_Toc256000607)

[CS ACNS.E.LAD.340 Activation and transmission over water and over land...... 390](#_Toc256000608)

[AMC1 ACNS.E.LAD.340 Activation and transmission over water and over land.................... 390](#_Toc256000609)

[CS ACNS.E.LAD.350 Means and procedures to prevent undesirable activation. 391](#_Toc256000610)

[AMC1 ACNS.E.LAD.350 Means and procedures to prevent undesirable activation.............. 391](#_Toc256000611)

[GM1 ACNS.E.LAD.350 Means and procedures to prevent undesirable activation................ 391](#_Toc256000612)

[CS ACNS.E.LAD.360 Shared airborne resources and transmission means......... 392](#_Toc256000613)

[GM1 ACNS.E.LAD.360 Shared airborne resources and transmission means........................... 392](#_Toc256000614)

[Accuracy............................................................................................................... 392](#_Toc256000615)

[CS ACNS.E.LAD.410 Position accuracy for non-survivable accidents................. 393](#_Toc256000616)

[AMC1 ACNS.E.LAD.410 Position accuracy for non-survivable accidents.................................. 393](#_Toc256000617)

[AMC2 ACNS.E.LAD.410 Position accuracy for non-survivable accidents.................................. 393](#_Toc256000618)

[GM1 ACNS.E.LAD.410 Position accuracy for non-survivable accidents.................................... 393](#_Toc256000619)

[CS ACNS.E.LAD.420 Position accuracy for survivable accidents........................ 395](#_Toc256000620)

[AMC1 ACNS.E.LAD.420 Position accuracy for survivable accidents.......................................... 395](#_Toc256000621)

[Interoperability..................................................................................................... 395](#_Toc256000622)

[CS ACNS.E.LAD.520 Frequency spectrum....................................................... 396](#_Toc256000623)

[AMC1 ACNS.E.LAD.520 Frequency spectrum................................................................................. 396](#_Toc256000624)

[System performance.............................................................................................. 396](#_Toc256000625)

[CS ACNS.E.LAD.610 Continuity...................................................................... 397](#_Toc256000626)

[AMC1 ACNS.E.LAD.610 Continuity................................................................................................... 397](#_Toc256000627)

[GM1 ACNS.E.LAD.610 Continuity..................................................................................................... 397](#_Toc256000628)

[CS ACNS.E.LAD.620 Integrity......................................................................... 398](#_Toc256000629)

[AMC1 ACNS.E.LAD.620 Integrity....................................................................................................... 398](#_Toc256000630)

[GM1 ACNS.E.LAD.620 Integrity......................................................................................................... 398](#_Toc256000631)

[CS ACNS.E.LAD.650 Risk for third parties....................................................... 399](#_Toc256000632)

[AMC1 ACNS.E.LAD.650 Risk for third parties................................................................................. 399](#_Toc256000633)

[Appendices........................................................................................................... 399](#_Toc256000634)

[Appendix A — Example flight trajectory......................................................... 399](#_Toc256000635)