10 Airworthiness Directives: 8 airplane, 1 engine, 1 appliance.
AD 72-25-03 · published Mar 2, 1973, effective Mar 2, 1973
The Boeing Company Airplanes
AD 73-05-02 · published Mar 7, 1973, effective Mar 7, 1973
Alexandria Aircraft, LLC Airplanes
AD 67-18-03 · published Mar 12, 1973, effective Mar 12, 1973
Lockheed Martin Corporation Airplanes
AD 73-06-01 · published Mar 13, 1973, effective Mar 13, 1973
The Boeing Company Airplanes
AD 73-06-02 · published Mar 19, 1973, effective Mar 19, 1973
Twin Commander Aircraft LLC Airplanes
AD 73-07-01 · published Mar 26, 1973, effective Mar 26, 1973
Kelowna Flightcraft R & D Ltd. Airplanes
AD 73-07-05 · published 1973
Atlantic Coast Seaplanes LLC Airplanes
AD 73-07-03 · published Mar 29, 1973, effective Mar 29, 1973
D & R Nevada LLC Airplanes
