ED Decision 2022/018/R
1 Applicability
This ETSO provides the requirements that portable aircraft megaphones that are designed and manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking.
2 Procedures
2.1 General
The 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
The applicable standard is that provided in SAE International’s Aerospace Standard (AS) 4950B, ‘Design and Performance Criteria for Transport Aircraft Portable Megaphones’, dated March 2007, as modified by Appendix 1 to this ETSO.
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
3.2.1 Failure Condition Classification
See CS-ETSO, Subpart A, paragraph 2.4.
3.2.2 Embedded Batteries
See CS-ETSO, Subpart A, paragraph 2.8.
4 Marking
4.1 General
See CS-ETSO, Subpart A, paragraph 1.2.
4.2 Specific
None.
5 Availability of Referenced Documents
See CS-ETSO, Subpart A, paragraph 3.
[Amdt ETSO/17]
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