HomeAD libraryAD 90-23-17Airworthiness Directive · Amendment 39-6800 · Textron Aviation Inc. AirplanesAD 90-23-17Textron Aviation Inc. AirplanesAirplanePublishedDecember 11, 1990EffectiveDecember 11, 1990MakerTextron Aviation Inc.SupersedesNothingApplies toThis AD applies to Textron Aviation Inc. DH.125 Series 1A.The models as the FAA's AD index lists them. The serial ranges, installed parts and exceptions are in the AD itself: read it at the FAA.Official sourcesThe AD at the FAA · its text as the FAA keeps itFAA Dynamic Regulatory System (DRS) · search 90-23-17 for its current status and any corrections