|21-13||AIR-200||Standard Airworthiness Certification of Surplus Military Aircraft and Aircraft Built from Spare and Surplus Parts||04-05-1973|
Flight Recorder and Cockpit Voice Recorder Underwater Locating Devices
This AC provides an acceptable means of showing compliance with the underwater locating device (ULD) requirements of the Federal Aviation Regulations for recorder ULD’s.
Special Flight Permits for Operation of Overweight Aircraft
Furnishes guidance concerning special flight permits necessary to operate an aircraft in excess of its usual maximum certificated takeoff weight.