14 Airworthiness Directives: 9 airplane, 1 rotorcraft, 3 engine, 1 appliance.
AD 71-09-06 · published May 4, 1971, effective May 4, 1971
Martin-Marietta Corporation Airplanes
AD 70-24-02 · published May 7, 1971, effective May 7, 1971
The Boeing Company Airplanes
AD 71-08-04 · published May 8, 1971, effective May 8, 1971
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 71-10-01 · published May 8, 1971, effective May 8, 1971
Alexandria Aircraft, LLC Airplanes
AD 71-10-02 · published May 14, 1971, effective May 14, 1971
Aerostar Aircraft Corporation Airplanes
AD 70-26-01 · published May 18, 1971, effective May 18, 1971
The Boeing Company Airplanes
AD 71-11-01 · published May 19, 1971, effective May 19, 1971
Viking Air Limited Airplanes
AD 71-09-04 · published May 28, 1971, effective May 28, 1971
The Boeing Company Airplanes
AD 71-11-03 · published May 19, 1971, effective May 19, 1971
FH1100 Manufacturing Corporation Helicopters
AD 71-02-02 · published May 4, 1971, effective May 4, 1971
Pratt & Whitney Division Engines
AD 60-08-05 · published May 19, 1971, effective May 19, 1971
Curtiss-Wright/Marquette, Inc. Engines
AD 71-06-03 · published May 19, 1971, effective May 19, 1971
Pratt & Whitney Division Engines
AD 70-22-04 · published May 19, 1971, effective May 19, 1971
Wood Electric Appliances
