Regulation & law · 24/09/2025

FAA adopts new airworthiness directive for Airbus Helicopters Deutschland GmbH's MBB-BK 117 D-3 helicopters

The FAA is adopting a new airworthiness directive for Airbus Helicopters Deutschland GmbH's MBB-BK 117 D-3 helicopters due to reports of DC power interruptions during flight. The directive requires revising the rotorcraft flight manual to address the unsafe condition.