Commonwealth legislation

AD/AA-1/2 - Alternator Field Protection - 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This Act has been repealed and is no longer in force. It is retained for historical reference.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

What it is: A safety mandate for owners of Gulfstream AA-1A aircraft (light, single-engine planes).

What it requires: Install a circuit protector—such as a fuse or circuit breaker—on the electrical line feeding the alternator field (the part of the electrical system that helps charge the battery). This prevents the alternator from damaging the aircraft's electrical bus bar.

Who must comply: Anyone seeking a Certificate of Airworthiness (official permission to fly) for this specific aircraft model. The modification must be completed before certification is granted.

Why it matters: Protects against electrical failures that could disable the aircraft's charging system and potentially lead to loss of electrical power in flight.

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Current sections

Direct links to the current provisions in AD/AA-1/2 - Alternator Field Protection - Modification.

AD/AA-1/2 - Alternator Field Protection - 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-1 Series Aeroplanes

AD/AA-1/2 Alternator Field Protection - Modification NK

Applicability: Model AA-1A.

Requirement: Install an appropriately rated and identified circuit protector in the alternator field circuit at the connection to the main bus bar.

Compliance: Before issue of a Certificate of Airworthiness.

Source text

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