Regulation & law · 18/09/2000

McDonnell Douglas Proposes New Airworthiness Directive for DC-9 and C-9 Airplanes

The Federal Aviation Administration (FAA) is considering a new airworthiness directive (AD) for certain McDonnell Douglas Model DC-9-10, -20, -30, -40, and -50 series airplanes and C-9 military airplanes to address fatigue cracking of the cockpit enclosure window sill.