ED Decision 2018/002/R
1 Applicability
This ETSO provides the requirements which required navigation performance (RNP) equipment using multi-sensor inputs that is designed and manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking.
This ETSO supports performance-based operations using RNP values from RNP 0.3 through RNP 4.0 and advanced RNP functions.
This ETSO does not address RNP operations with authorisation required (RNP AR), localizer performance without vertical guidance/localizer performance with vertical guidance (LP/LPV), ground-based augmentation system landing system (GLS) approach operations or the positioning requirements to support ADS-B out capability.
2 Procedures
2.1 General
Applicable procedures are detailed in CS-ETSO, Subpart A.
2.2 Specific
None.
3 Technical conditions
3.1 Basic
3.1.1 Minimum performance standard
Standards set forth in RTCA DO-283B, Minimum Operational Performance Standards for Required Navigation Performance for Area Navigation, dated December 15, 2015, section 2, as modified by Appendix 1 of this ETSO. Section 1.8 of this standard defines 2 classes, A and B, of equipment. Requirements applicable to Class A and Class B equipment are specified in RTCA DO-283B, Table 2-13.
The applicant shall state the minimum RNP supported by the equipment, as well as the equipment class, in the DDP.
3.1.2 Environmental standard
See CS-ETSO, Subpart A, paragraph 2.1.
3.1.3 Software
See CS-ETSO, Subpart A, paragraph 2.2.
3.1.4 Airborne electronic hardware
See CS-ETSO, Subpart A, paragraph 2.3.
3.2 Specific
For databases that are used in the ETSO article but are not part of the ETSO article, the configuration number of the data quality requirements (DQR) shall be defined and provided to the user.
DQR documentation shall be in a form available to the Type 2 Database Provider (refer to Regulation (EU) 2017/373 Article 2(5)(b) for the definition of a Type 2 Database Provider).
3.2.1 Failure condition classification
See CS-ETSO, Subpart A, paragraph 2.4.
Design the system to the appropriate failure condition classification(s) as detailed in the guidance material for the different types of navigation specification (for instance RNP1, Advanced RNP, RNP-APCH…).
4 Marking
4.1 General
Marking as detailed in CS-ETSO, Subpart A, paragraph 1.2.
4.2 Specific
None.
5 Availability of referenced document
See CS-ETSO, Subpart A, paragraph 3.
[Amdt ETSO/8]
[Amdt ETSO/13]
ETSO-C115d specifies requirements for RNP equipment using multi-sensor inputs, supporting RNP 0.3 through 4.0 and advanced RNP functions, excluding RNP AR, LP/LPV, GLS, and ADS-B out positioning.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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