ED Decision 2010/010/R
1 Applicability
This ETSO gives the requirements which aircraft seats and berths that are manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking for the following types:
Type A – Large Aeroplane (9g forward load seats only)
Type I – Large Aeroplane (berths only)
Type II – Normal, Utility and Commuter
Type III – Aerobatic
Type IV – Rotorcraft
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
3.1.1.2 Type A
Standards set forth in sections 3.1.4, 3.1.8, 3.1.11, 3.1.14, 3.1.15, 3.1.17, 3.1.18, 3.1.19, 3.1.20, 3.2, 3.3, 3.4 (except 3.4.2), 3.5, 4 (except 4.2), 5 (except 5.3 and 5.4) of SAE Aerospace Standard (AS) document AS 8049 Rev. A, “Performance Standard for Seats in Civil Rotorcraft, Transport Aircraft, and General Aviation Aircraft” dated September 1997, as modified by Appendix 1 of this ETSO.
Seat cushions, when included, for large aeroplane passenger, flight attendant, and observer seats shall meet the fire protection provisions of Appendix F, Part II of EASA CS 25, as required by CS 25.853(c).
3.1.1.3 Type I, II, III and IV
Standards set forth in the National Aerospace Standard (NAS) Specification 809, dated January 1, 1956 with the following exception:
(i) The sideward loads as specified in 4.1.2. Table I of NAS 809 need not exceed the requirements of the applicable Certification Specification (CS).
(ii) Materials in Type I berths must comply with the fire protection provisions of CS 25.853(a).
3.1.2 Environmental Standard
None
3.1.3 Computer Software
None
3.1.4 Electronic Hardware Qualification
None
3.2 Specific
None.
4 Marking
4.1 General
Marking is detailed in CS-ETSO Subpart A paragraph 1.2.
4.2 Specific
4.2.1 The marking must also include the applicable seat type: “Type A-”, “Type I-”, “Type II-”, “Type III-”, or “Type IV-” followed by the appropriate seat facing direction designation: “FF” – forward; “RF”- rearward; or “SF” – sideward
4.2.2 Each passenger, flight attendant and observer seat cushion required for qualification of the seating system must be marked with “Complies with CS 25.853(c)” when tested in accordance with the requirements of CS 25.853(c)
5 Availability of Referenced Document
See CS-ETSO Subpart A paragraph 3
[Amdt ETSO/6]
ETSO-C39c sets static-test-only performance standards for aircraft seats and berths, requiring Type A seats to meet SAE AS 8049 Rev. A and Type I-IV to meet NAS 809, with specific fire-protection and marking requirements
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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