Commonwealth legislation

AD/BELL 212/16 - Cyclic SCAS Stops Installation - Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

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Commonwealth

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legislative instrument

Plain English Summary

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This mandatory safety order requires operators of certain Bell 212 helicopters to modify the cyclic stick control augmentation system (SCAS) stops — a safety feature that limits how far the pilot's main control stick can move.

Who it affects: Owners and operators of Bell 212 helicopters with serial numbers below 30850, but only if those aircraft have already been modified according to three specific service instructions (212-19, 212-47, and 212-53).

What must be done: Install new stops on the cyclic control system following the technical instructions in Bell Service Bulletin No. 212-77-3.

When: The work must be completed within 100 hours of flight time after 31 March 1977.

Why it matters: This ensures the helicopter's flight control stops function correctly to prevent potential loss of control during flight.

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AD/BELL 212/16 - Cyclic SCAS Stops Installation - Modification

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Bell Helicopter Textron 212 Series Helicopters

AD/BELL 212/16 Cyclic SCAS Stops Installation - Modification 3/77

Applicability: All models prior to aircraft S/N 30850 that comply with service instructions 212-19, 212-47 and 212-53.

Document: Bell SB No. 212-77-3.

Compliance: Within 100 hours time in service after 31 March 1977.

Source text

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