13 Airworthiness Directives: 8 airplane, 1 rotorcraft, 4 engine.
AD 67-33-03 · published Oct 3, 1972, effective Oct 3, 1972
Kelowna Flightcraft R & D Ltd. Airplanes
AD 72-20-06 · published Oct 5, 1972, effective Oct 5, 1972
American Champion Aircraft Corp. Airplanes
AD 72-21-01 · published Oct 6, 1972, effective Oct 6, 1972
Aerotek II, Inc. Airplanes
AD 72-21-03 · published Oct 7, 1972, effective Oct 13, 1972
Piper Aircraft Inc. Airplanes
AD 72-21-05 · published Oct 17, 1972, effective Oct 17, 1972
Bombardier Inc. Airplanes
AD 72-02-02 · published Oct 18, 1972, effective Oct 18, 1972
Allied Ag Cat Productions, Inc. Airplanes
AD 72-22-01 · published Oct 25, 1972, effective Oct 25, 1972
Raytheon Aircraft Company, Hawker Beechcraft Corporation Airplanes
AD 72-22-04 · published Oct 31, 1972, effective Oct 31, 1972
Textron Aviation Inc. Airplanes
AD 72-13-08 · published Oct 19, 1972, effective Oct 19, 1972
Hiller Aviation, Siam Hiller Holdings, Inc. Helicopters
AD 72-20-07 · published Oct 2, 1972, effective Oct 2, 1972
Rolls-Royce Deutschland Ltd & Co KG Engines
AD 72-21-04 · published Oct 13, 1972, effective Oct 13, 1972
Lycoming Engines Engines
AD 72-21-06 · published Oct 17, 1972, effective Oct 17, 1972
Lycoming Engines Engines
AD 72-23-02 · published Oct 26, 1972, effective Oct 26, 1972
Rolls-Royce Deutschland Ltd & Co KG Engines
