Airworthiness Directive · Amendment 39-6464 · AST, Inc, Bell Helicopter Textron, Inc., California Department of Forestry, International Helicopters, Inc., Overseas Aircraft Support Inc, Richards Heavylift Helo, Inc., Rotorcraft Development Corporation, San Joaquin Helicopters, Smith Helicopters, Southern Helicopter, Inc., Tamarack Helicopters, Inc., US Helicopter, Inc., West Coast Fabrications Helicopters
AST, Inc, Bell Helicopter Textron, Inc., California Department of Forestry, International Helicopters, Inc., Overseas Aircraft Support Inc, Richards Heavylift Helo, Inc., Rotorcraft Development Corporation, San Joaquin Helicopters, Smith Helicopters, Southern Helicopter, Inc., Tamarack Helicopters, Inc., US Helicopter, Inc., West Coast Fabrications Helicopters
This AD applies to AST, Inc, Bell Helicopter Textron, Inc., California Department of Forestry, International Helicopters, Inc., Overseas Aircraft Support Inc, Richards Heavylift Helo, Inc., Rotorcraft Development Corporation, San Joaquin Helicopters, Smith Helicopters, Southern Helicopter, Inc., Tamarack Helicopters, Inc., US Helicopter, Inc., West Coast Fabrications UH-1F, TH-1L, UH-1E, UH-1L, UH-1B, UH-1A.
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.
