HomeAD libraryAD 91-03-01Airworthiness Directive · Amendment 39-6862 · Columbia Helicopters, Inc. HelicoptersAD 91-03-01Columbia Helicopters, Inc. HelicoptersRotorcraftPublishedFebruary 14, 1991EffectiveFebruary 14, 1991MakerColumbia Helicopters, Inc.SupersedesNothingApplies toThis AD applies to Columbia Helicopters, Inc. 234.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 91-03-01 for its current status and any corrections
