Commonwealth legislation

AD/DHA-3/16 Amdt 1 - Undercarriage Bolts P/N U3-129 - 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This Act has been repealed and is no longer in force. It is retained for historical reference.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 is: A safety rule (Airworthiness Directive) issued by the Civil Aviation Safety Authority for specific aircraft.

What it requires: Owners and operators of DHA-3 "Drover" aeroplanes must inspect specific bolts on the undercarriage (landing gear) if their aircraft has been modified according to "DH Mod. DRO 82". The bolts to check are part number U3-129.

How often: These inspections must happen at least every 500 hours of flight time ("time in service").

Why it matters: Faulty undercarriage bolts can cause landing gear collapse during takeoff or landing. This directive prevents accidents by ensuring critical hardware is checked regularly.

Who is affected: Anyone operating DHA-3 Drover aircraft with the specific modification mentioned above. The technical details are found in the manufacturer’s document referenced as "DH TNS CT(A3) No. 104".

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/DHA-3/16 Amdt 1 - Undercarriage Bolts P/N U3-129 - Inspection.

AD/DHA-3/16 Amdt 1 - Undercarriage Bolts P/N U3-129 - Inspection

meta-content-style-type: text/css meta-content-type: application/xhtml+xml; charset=utf-8 meta-generator: Aspose.Words for .NET 22.10.0

?xml version="1.0" encoding="utf-8" standalone="no"?>

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-3/16

Amdt 1

Undercarriage Bolts P/N U3-129 - Inspection 10/57

Applicability: All models modified to DH Mod. DRO 82. Document: DH TNS CT(A3) No. 104.

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.