HomeAD libraryAD 70-21-01Airworthiness Directive · Amendment 39-1091 · Dornier Luftfahrt GmbH AirplanesAD 70-21-01Dornier Luftfahrt GmbH AirplanesAirplanePublishedNovember 5, 1970EffectiveNovember 5, 1970MakerDornier Luftfahrt GmbHSupersedesNothingApplies toThis AD applies to Dornier Luftfahrt GmbH Do 28 D-1.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 70-21-01 for its current status and any corrections