Regulacje i polityka gospodarcza · 25/10/1996
Bell Helicopter Textron, Inc. Proposes Supersession of Airworthiness Directive for Model 412 Helicopters
Bell Helicopter Textron, Inc. is proposing to replace an existing airworthiness directive for certain Model 412 helicopters with new requirements to address reported cracks and failures of steel swashplate support assemblies, aiming to prevent loss of main rotor control and subsequent loss of helicopter control.