Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters · Electoral Command Center
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 A-1, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1…