Regulacje i polityka gospodarcza · 11/12/2002
MD Helicopters, Inc. Receives Airworthiness Directive Amendment for MD900 Helicopters
The Federal Register has published an amendment to Airworthiness Directive AD 2002-22-51, which requires inspections and removal of the main rotor support static mast if any cracks or pitting are found, to prevent mast failure and loss of helicopter control.