Commonwealth legislation

AD/DHA-3/24 Amdt 1 - Tailplane Spar and Elevator Hinge Stiffener Bracket - 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This Act has been repealed and is no longer in force. It is retained for historical reference.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 means:

If you own or operate a DHA-3 Drover aircraft (models Mk. 2, 3, or 3A), you must have a licensed aircraft maintenance engineer inspect two critical tail components at least once every 500 hours of flying time:

The tailplane spar (the main structural beam that supports the tail)
The elevator hinge stiffener bracket (a reinforcement plate where the elevator control surface attaches)

Why it matters: These parts are essential for keeping the aircraft stable and controllable. The inspection checks for metal fatigue, cracks, or corrosion that could cause structural failure in flight.

What you need to do: Follow the technical procedures in document DHTNS CT (A3) No. 125 (the manufacturer's instruction manual for this check) every 500 flight hours. Do not skip this — it's mandatory for airworthiness.

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Current sections

Direct links to the current provisions in AD/DHA-3/24 Amdt 1 - Tailplane Spar and Elevator Hinge Stiffener Bracket - Inspection.

AD/DHA-3/24 Amdt 1 - Tailplane Spar and Elevator Hinge Stiffener Bracket - 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 DHA-3 (Drover) Series Aeroplanes

AD/DHA-3/24

Amdt 1

Tailplane Spar and Elevator Hinge Stiffener Bracket - Inspection

9/71

Applicability: All models Mk. 2, 3, and 3A. Document: DHTNS CT (A3) No. 125.

Compliance: At intervals not exceeding 500 hours time in service.

Source text

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