HomeAD libraryAD 47-21-07Airworthiness Directive · Sierra Hotel Aero, Inc. AirplanesAD 47-21-07Sierra Hotel Aero, Inc. AirplanesAirplaneIssued1947EffectiveNot statedMakerSierra Hotel Aero, Inc.SupersedesNothingApplies toThis AD applies to Sierra Hotel Aero, Inc. Navion (Army L-17A).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 47-21-07 for its current status and any corrections
