11 Airworthiness Directives: 9 airplane, 1 rotorcraft, 1 appliance.
AD 70-26-03 · published Oct 8, 1971, effective Oct 8, 1971
The Boeing Company Airplanes
AD 71-21-08 · published Oct 8, 1971, effective Oct 13, 1971
Piper Aircraft Inc. Airplanes
AD 71-21-07 · published Oct 12, 1971, effective Oct 12, 1971
Viking Air Limited Airplanes
AD 71-08-05 · published Oct 14, 1971, effective Oct 14, 1971
Maryland Air Industries, Inc. Airplanes
AD 71-20-03 · published Oct 18, 1971, effective Oct 18, 1971
Sud Aviation Airplanes
AD 71-06-01 · published Oct 19, 1971, effective Oct 19, 1971
Textron Aviation Inc. Airplanes
AD 71-21-06 · published Oct 19, 1971, effective Oct 12, 1971
Piper Aircraft Inc. Airplanes
AD 71-20-07 · published Oct 22, 1971, effective Oct 22, 1971
Airbus SAS Airplanes
AD 71-21-04 · published Oct 28, 1971, effective Oct 28, 1971
Kelowna Flightcraft R & D Ltd. Airplanes
AD 71-21-03 · published Oct 7, 1971, effective Oct 7, 1971
Sikorsky Aircraft Corporation Helicopters
