Commonwealth legislation

AD/AA-5/6 - Fuel Tank Vent Lines - 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This Act has been repealed and is no longer in force. It is retained for historical reference.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 AD requires all owners/operators of Gulfstream AA-5 series aircraft to modify the fuel tank venting system to prevent fuel leaks and fire hazards. Actions include replacing PVC connectors with fuel‑resistant rubber, securing tube ends (beading where possible), limiting gaps between tube ends to 1/2", and swapping spring clips for screw‑type hose clamps.

Compliance is mandatory within 100 flight hours after August 31, 1973.

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AD/AA-5/6 - Fuel Tank Vent Lines - 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 Gulfstream (Grumman American/ American Aviation) AA-5 Series Aeroplanes

AD/AA-5/6 Fuel Tank Vent Lines - Modification NK

Applicability: All models.

Requirement: 1. Replace all PVC plastic hose connectors on the fuel tank venting system with fuel resistant rubber hose connectors.

2. Where practicable, bead the ends of the aluminium alloy vent lines where joined by hose connectors.

3. Ensure that the end distance between adjoining aluminium alloy vent lines in hose connectors is no greater than 1/2".

4. Replace all spring wire type hose clips on the fuel tank venting system with screw type hose clips.

Compliance: Within 100 hours’ time in service after 31 August 1973.

Source text

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