Navigate / EASA
Ask question Discover more Add to collection
Appendix 1 to ETSO-C137a — MPS for Aircraft Portable Megaphones

ED Decision 2022/018/R

SAE International’s Aerospace Standard (AS) AS4950B, ‘Design and Performance Criteria for Transport Aircraft Portable Megaphones’, dated March 2007, is modified as per Table 1 below.



Table 1 — Modification of AS4950B, ‘Design and Performance Criteria for Transport Aircraft Portable Megaphones’

Location in AS4950B

Initial AS4950B text

Amending text

3.4.1

All materials used except small parts (knobs, triggers, fasteners, seals, and small electrical parts) that would not contribute significantly to the propagation of a fire shall be
self-extinguishing when tested in accordance with the applicable requirements of 14 CFR 25.853.

Compliance shall be shown with the flammability test specified in EUROCAE ED‑14G / RTCA DO‑160G, Section 26 for Category C: Flammability. If ignition occurs inside or outside the equipment, the equipment shall not propagate the flame.



[Amdt ETSO/17]
Details
Source-Title: Appendix 1 to ETSO-C137a -- MPS for Aircraft Portable Megaphones View latest amendments
Erulesid: ERULES-1963177438-19887 Compare versions
Domain: Initial airworthiness
Amendedby: Amendment 17
Applicabilitydate: 7 September, 2022
Entryintoforcedate: 7 September, 2022
Regulatorysource: ED Decision 2022/018/R Navigate
Regulatorysubject: CS-ETSO
Typeofcontent: CS (Certification specification)
Parentir: ETSO-C137a
Origin: EASA
Category: EAR
Contact support