HomeAD libraryAD 87-18-11Airworthiness Directive · Amendment 39-5678 · MD Helicopters, Inc. HelicoptersAD 87-18-11MD Helicopters, Inc. HelicoptersRotorcraftPublishedSeptember 1, 1987EffectiveSeptember 1, 1987MakerMD Helicopters, Inc.SupersedesNothingApplies toThis AD applies to MD Helicopters, Inc. 369D, 369E, 369F, 369FF.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 87-18-11 for its current status and any corrections