Transport i infrastruktura · 16/11/2010

MD Helicopters, Inc. Receives Approval for Airworthiness Directive for MD900 Helicopters

The Federal Aviation Administration has adopted an airworthiness directive requiring MD Helicopters, Inc. Model MD900 helicopter owners to visually inspect the main rotor hub for cracks and replace it if found unairworthy, following reports of two cracked hubs detected during maintenance.