15 Airworthiness Directives: 13 airplane, 1 engine, 1 propeller.
AD 68-17-08 · published Apr 1, 1972, effective Apr 1, 1972
The Boeing Company Airplanes
AD 76-07-01 · published Apr 2, 1972, effective Apr 2, 1972
Maryland Air Industries, Inc. Airplanes
AD 68-07-04 · published Apr 5, 1972, effective Apr 11, 1972
Piper Aircraft Inc. Airplanes
AD 72-06-03 · published Apr 6, 1972, effective Apr 6, 1972
de Havilland Aircraft Co., Ltd., The Airplanes
AD 72-06-04 · published Apr 6, 1972, effective Apr 6, 1972
de Havilland Aircraft Co., Ltd., The Airplanes
AD 72-07-12 · published Apr 6, 1972, effective Apr 6, 1972
Maryland Air Industries, Inc. Airplanes
AD 72-08-01 · published Apr 7, 1972, effective Apr 7, 1972
The Boeing Company Airplanes
AD 72-01-07 · published Apr 11, 1972, effective Apr 17, 1972
Piper Aircraft Inc. Airplanes
AD 72-08-06 · published Apr 12, 1972, effective Apr 14, 1972
Piper Aircraft Inc. Airplanes
AD 72-07-04 · published Apr 15, 1972, effective Apr 15, 1972
Textron Aviation Inc. Airplanes
AD 70-07-01 · published Apr 24, 1972, effective Apr 24, 1972
de Havilland Aircraft Co., Ltd., The Airplanes
AD 72-09-04 · published Apr 25, 1972, effective Apr 25, 1972
de Havilland Aircraft Co., Ltd., The Airplanes
AD 71-05-07 · published Apr 8, 1972, effective Apr 8, 1972
Honeywell International Inc. Engines
AD 72-08-04 · published Apr 11, 1972, effective Apr 11, 1972
Hartzell Propeller, Inc. Propellers
