Commonwealth legislation

AD/DHA-3/20 - Wing Rib No. 5 - 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This Act has been repealed and is no longer in force. It is retained for historical reference.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

1/10 complexity

What this is: An Airworthiness Directive (a mandatory safety rule issued by the aviation regulator) requiring regular checks of a specific structural part on DHA-3 Drover aeroplanes.

Who it affects: Owners and operators of all model variants of the DHA-3 Drover aircraft (a type of small Australian-made transport plane).

What it requires:

Inspection target: Wing Rib No. 5 (an internal structural component of the wing)
How often: At least once every 12 months (or more frequently if the aircraft manufacturer or operator determines it necessary)
How to do it: Follow the technical instructions in document DH TNS CT(A3) No. 109 (a manufacturer technical note that provides the actual inspection steps)

Why it matters: This ensures the wing structure remains airworthy and safe to fly, preventing potential structural failures due to fatigue, corrosion, or damage in this critical load-bearing component.

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Current sections

Direct links to the current provisions in AD/DHA-3/20 - Wing Rib No. 5 - Inspection.

AD/DHA-3/20 - Wing Rib No. 5 - 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-3/20 Wing Rib No. 5 - Inspection 7/58

Applicability: All models.

Document: DH TNS CT(A3) No. 109.

Compliance: At intervals not exceeding 12 months.

Source text

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