HomeAD libraryAD 73-08-01Airworthiness Directive · Amendment 39-2120 · Columbia Helicopters, Inc. HelicoptersAD 73-08-01Columbia Helicopters, Inc. HelicoptersRotorcraftPublishedMarch 11, 1975EffectiveMarch 11, 1975MakerColumbia Helicopters, Inc.SupersedesNothingApplies toThis AD applies to Columbia Helicopters, Inc. 107-II.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 73-08-01 for its current status and any corrections
