Commonwealth legislation

AD/AC/35 - Rudder Torque Tube - Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

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legislative instrument

Plain English Summary

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What this is: A safety order (Airworthiness Directive) mandating a mechanical fix to prevent your aircraft's rudder from potentially failing.

Who it affects: Owners and operators of Twin Commander aeroplanes (Gulfstream/Rockwell/Aero Commander 500, 600 and 700 series) with serial numbers 2 through 1727.

What you must do: Modify the rudder torque tube — the metal shaft that carries your foot-pedal movements to the rudder — strictly following Aero Commander Service Letter No. 203.

Deadline: Within 100 hours of flying time after 7 September 1967.

Why it matters: A faulty torque tube could jam or break, leaving you unable to steer the aircraft. This directive ensures the control system remains airworthy.

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AD/AC/35 - Rudder Torque Tube - Modification

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes

AD/AC/35 Rudder Torque Tube - Modification 12/67

Applicability: All models with S/Nos. 2 to 1727. Document: Aero Commander SL No. 203.

Compliance: Within 100 hours’ time in service after 7 September 1967.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.