Business · 25/08/1998

Bell Helicopter Textron, Inc. Issues Airworthiness Directive for Model 214B, 214B-1, and 214ST Helicopters

The Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) for Bell Helicopter Textron, Inc. Model 214B, 214B-1, and 214ST helicopters, requiring a change in the method of calculating the retirement life of the main rotor trunnion to prevent fatigue failure, which could result in loss of control of the helicopter.