5 Airworthiness Directives: 4 airplane, 1 propeller.
AD 60-18-01 · published Aug 23, 1960, effective Aug 23, 1960
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 60-18-02 · published Aug 24, 1960, effective Aug 24, 1960
Vickers-Armstrongs (Aircraft Limited) Airplanes