Commonwealth legislation

AD/AC/1 - Wing Rib - Reinforcement

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This appears to be a fragment of an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1988 (Part 39). An Airworthiness Directive is a legally binding safety order issued to address unsafe conditions in aircraft. This particular directive (AD/AC/1) applies to specific Twin Commander Model 520 aeroplanes (serial numbers 520-81 through 520-86, plus 89 and 92). It mandates that operators must comply with Aero Commander Service Bulletin No. 20 forthwith (immediately). The actual technical requirements—presumably detailing wing rib reinforcement modifications or inspections—are not included in the text provided, but are incorporated by reference to the Service Bulletin.

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Current sections

Direct links to the current provisions in AD/AC/1 - Wing Rib - Reinforcement.

AD/AC/1 - Wing Rib - Reinforcement

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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/1 Wing Rib - Reinforcement NK

Applicability: Model 520: S/Nos. 520-81 to 520-86 plus -89 and -92. Document: Aero Commander SB No. 20.

Compliance: Forthwith.

Source text

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