Transport i lotnictwo · 23/07/1998

McDonnell Douglas Helicopter Systems Issues Airworthiness Directive Amendment for Certain Helicopter Models

The Federal Aviation Administration (FAA) has issued an airworthiness directive amendment for certain McDonnell Douglas Helicopter Systems (MDHS) helicopter models, including the MD 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N, and OH-6A, to address fatigue cracks in main rotor blades and improve safety.