17 Airworthiness Directives: 13 airplane, 1 engine, 2 propeller, 1 glider.
AD 71-16-01 · published Aug 3, 1971, effective Aug 3, 1971
Viking Air Limited Airplanes
AD 71-16-04 · published Aug 3, 1971, effective Aug 3, 1971
Learjet Inc. Airplanes
AD 71-19-04 · published Aug 6, 1971, effective Aug 6, 1971
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 71-20-08 · published Aug 13, 1971, effective Aug 13, 1971
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 71-17-01 · published Aug 16, 1971, effective Aug 16, 1971
Maule Aerospace Technology, Inc. Airplanes
AD 53-24-01 · published Aug 17, 1971, effective Aug 17, 1971
Grumman American Aviation Corporation Airplanes
AD 71-17-02 · published Aug 17, 1971, effective Aug 17, 1971
The Boeing Company Airplanes
AD 71-15-01 · published Aug 21, 1971, effective Aug 21, 1971
The Boeing Company Airplanes
AD 70-23-04 · published Aug 23, 1971, effective Aug 23, 1971
Aerostar Aircraft Corporation Airplanes
AD 71-17-07 · published Aug 23, 1971, effective Aug 23, 1971
Aerostar Aircraft Corporation Airplanes
AD 71-17-08 · published Aug 24, 1971, effective Aug 24, 1971
Cessna Aircraft Company Airplanes
AD 71-18-01 · published Aug 31, 1971, effective Aug 31, 1971
Cessna Aircraft Company Airplanes
AD 71-17-06 · published Aug 17, 1971, effective Aug 17, 1971
Pratt & Whitney Division Engines
AD 71-17-03 · published Aug 18, 1971, effective Aug 18, 1971
McCauley Propeller Systems Propellers
AD 71-18-02 · published Aug 31, 1971, effective Aug 31, 1971
McCauley Propeller Systems Propellers
AD 71-17-09 · published Aug 26, 1971, effective Aug 26, 1971
K & L Soaring LLC Gliders
