Commonwealth legislation

AD/PA-25/22 - Fuel Tank Vent System - Modification

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This Act has been repealed and is no longer in force. It is retained for historical reference.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 airworthiness directive requires owners/operators of Piper PA-25-235 Pawnee aircraft fitted with Ansett General Aviation Kit No. 514-1-235 to make specified fuel‑tank venting modifications (per Ansett Service Letters) before 1 September 1971. The mandated changes correct venting to prevent fuel starvation or vapor lock and reduce the risk of in‑flight engine failure.

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Direct links to the current provisions in AD/PA-25/22 - Fuel Tank Vent System - Modification.

AD/PA-25/22 - Fuel Tank Vent System - 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 Piper PA-25 (Pawnee) Series Aeroplanes

AD/PA-25/22 Fuel Tank Vent System - Modification 11/67

Applicability: Model PA-25-235 which incorporate the modified fuel tank installation (Kit No. 514- 1-235) provided by Ansett General Aviation.

Requirement: 1. Install a new vent fitting P/N 514-1-8 in accordance with Ansett General Aviation SL No. 2, Revision A.

2. Re-position the fuel tank vent fitting in accordance with Ansett General Aviation SL No. 4.

3. Drill vent holes in the tank outer skin in accordance with Ansett General Aviation SL No. 5.

Compliance: Before 1 September 1971.

Source text

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