10 Airworthiness Directives: 6 airplane, 2 rotorcraft, 1 propeller, 1 appliance.
AD 73-20-04 · published Oct 3, 1973, effective Oct 3, 1973
Cessna Aircraft Company Airplanes
AD 73-20-05 · published Oct 3, 1973, effective Oct 3, 1973
Viking Air Limited Airplanes
AD 73-19-03 · published Oct 8, 1973, effective Oct 8, 1973
Mitsubishi Heavy Industries, Ltd. Airplanes
AD 73-21-01 · published Oct 10, 1973, effective Oct 10, 1973
Mooney Aviation Company Inc Airplanes
AD 73-21-02 · published Oct 12, 1973, effective Oct 12, 1973
Textron Aviation Inc. Airplanes
AD 73-19-11 · published Oct 19, 1973, effective Oct 19, 1973
Kelowna Flightcraft R & D Ltd. Airplanes
AD 73-19-04 · published Oct 10, 1973, effective Oct 10, 1973
Scotts-Bell 47 Inc Helicopters
AD 73-20-03 · published Oct 30, 1973, effective Oct 30, 1973
Hiller Aviation, Siam Hiller Holdings, Inc. Helicopters
AD 73-20-08 · published Oct 4, 1973, effective Oct 4, 1973
Tarver Propellers, LLC Propellers