Airworthiness Directive · Hiller Aviation, Siam Hiller Holdings, Inc. Helicopters
Hiller Aviation, Siam Hiller Holdings, Inc. Helicopters
This AD applies to Hiller Aviation, Siam Hiller Holdings, Inc. UH-12D, UH-12E.
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.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
