Commonwealth legislation

AD/DHA-3/1 - Electrical Installation - Modification

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires owners/operators of DHA-3 (Drover) aeroplanes to modify the aircraft electrical installation immediately: replace landing‑light fuses (10A Type S → 15A Type S), replace generator fuses and boxes (20A Type S → two 25A Type 5AG with new fuse boxes), fit spare fuses and amend the aircraft fuse chart. The Civil Aviation Safety Authority requires compliance forthwith, so operators must schedule certified electrical work, buy specified parts, and update maintenance documentation.

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Current sections

Direct links to the current provisions in AD/DHA-3/1 - Electrical Installation - Modification.

AD/DHA-3/1 - Electrical Installation - Modification

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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DHA-3 (Drover) Series Aeroplanes

AD/DHA-3/1 Electrical Installation - Modification 9/51

Applicability: All models.

Requirement: Modify the electrical installation in accordance with the following:

Circuit	Remove	Install	Fuse Chart Amendment
Landing Lights	10 Amp. Type S Fuses	15 Amp. Type S fuses in circuit and also spares	Delete “10 Amp.”Insert “15 Amp.”
Generators	20 Amp. Type S Fuses	Two Type 5AG fuses boxes and Two 25 Amp. Type 5AG fuses. Connect in places of original Type S fuses. Install spare fuses	Delete “Generators 20 Amp.” From original Fuse Box. Identify new fuse box “Generator 25 Amp.”

or ANO 105.1.14.14.5.1

Compliance: Forthwith.

Source text

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

1 AD/DHA-3/1 - Electrical Installation - Modification