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AC 33.28-1A; Guidance Material for 14 CFR § 33.28

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FAA Seeks Comments on Draft Guidance on EECS Articles and Modifications

The FAA has released a draft advisory circular (AC) that is meant to provide guidance and describe acceptable methods for demonstrating compliance with the engine control systems requirements of 14 C.F.R. 33.28. It is intended for those manufacturing or modifying electronic engine control systems (EECS).
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