Commonwealth legislation

AD/DHC-2/17 - Fin Rear Attachment - Inspection

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

What this law does: This Airworthiness Directive (AD) mandates safety inspections of the fin rear attachment—the structural connection between the vertical tail fin and the fuselage—on De Havilland DHC-2 "Beaver" aircraft. ADs are legally binding safety orders issued by the Civil Aviation Safety Authority when aircraft defects or unsafe conditions are identified.

Who it affects: Owners and operators of all models of DHC-2 Beaver aeroplanes registered in Australia.

What must be done:

Inspect the fin rear attachment following the procedures outlined in De Havilland Service Bulletin No. 2/11
Complete the initial inspection within 25 flight hours ("time in service") after 3 August 1972
Repeat the inspection at intervals not exceeding 12 months thereafter

Why it matters: This prevents potential structural failure of the tail attachment, which could cause loss of aircraft control. Compliance is mandatory and legally enforceable under the Civil Aviation Regulations.

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Current sections

Direct links to the current provisions in AD/DHC-2/17 - Fin Rear Attachment - Inspection.

AD/DHC-2/17 - Fin Rear Attachment - Inspection

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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 DHC-2 (Beaver) Series Aeroplanes

AD/DHC-2/17 Fin Rear Attachment - Inspection 7/72

Applicability: All models.

Document: De Havilland Aircraft of Canada SB No. 2/11.

Compliance: Within 25 hours time in service after 3 August 1972 and thereafter at intervals not exceeding 12 months.

Source text

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