14 Airworthiness Directives: 8 airplane, 3 rotorcraft, 3 engine.
AD 74-20-08 · published Oct 1, 1974, effective Oct 1, 1974
Cessna Aircraft Company Airplanes
AD 74-21-02 · published Oct 3, 1974, effective Oct 4, 1974
Piper Aircraft Inc. Airplanes
AD 74-20-12 · published Oct 4, 1974, effective Oct 4, 1974
Twin Commander Aircraft LLC Airplanes
AD 73-26-09 · published Oct 9, 1974, effective Oct 9, 1974
Cessna Aircraft Company Airplanes
AD 72-07-09 · published Oct 17, 1974, effective Oct 17, 1974
Cessna Aircraft Company Airplanes
AD 74-22-05 · published Oct 17, 1974, effective Oct 23, 1974
Piper Aircraft Inc. Airplanes
AD 74-22-06 · published Oct 23, 1974, effective Oct 23, 1974
Viking Air Limited Airplanes
AD 74-19-03 · published Oct 13, 1974, effective Oct 13, 1974
Bell Helicopter Textron Canada Limited Helicopters
AD 74-25-06 · published Oct 16, 1974, effective Oct 16, 1974
Sikorsky Aircraft Corporation Helicopters
AD 74-20-05 · published Oct 21, 1974, effective Oct 21, 1974
Bell Helicopter Textron, Inc. Helicopters
AD 72-20-02 · published Oct 2, 1974, effective Oct 2, 1974
Continental Motors Engines
AD 74-22-04 · published Oct 28, 1974, effective Oct 28, 1974
Continental Motors Engines
AD 74-22-07 · published Oct 31, 1974, effective Oct 31, 1974
Honeywell International Inc. Engines
