HomeAD libraryAD 60-20-04Airworthiness Directive · Lockheed Martin Corporation AirplanesAD 60-20-04Lockheed Martin Corporation AirplanesAirplanePublishedOctober 28, 1960EffectiveOctober 28, 1960MakerLockheed Martin CorporationSupersedesNothingApplies toThis AD applies to Lockheed Martin Corporation 188A, 188C.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 60-20-04 for its current status and any corrections