Commonwealth legislation

AD/DHC-6/40 - Wing Struts - Inspection and Modification

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive applies to specified De Havilland DHC‑6 (Twin Otter) aircraft and mandates a wing‑strut inspection within 120 hours and a prescribed wing‑strut modification within 360 hours time‑in‑service after 31 May 1976. Operators and maintenance organisations must follow De Havilland Service Bulletin No. 6/342 for technical details; owners/operators bear compliance costs and manage scheduling and downtime to meet the mandatory timeframes.

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/DHC-6/40 - Wing Struts - Inspection and Modification.

AD/DHC-6/40 - Wing Struts - Inspection and Modification

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 DHC-6 (Twin Otter) Series Aeroplanes

AD/DHC-6/40 Wing Struts - Inspection and Modification 4/76 Applicability: All models with S/Nos. 1 to 462, 464, 465, 468, 469, 472, 473, 474, 478 and 481. Document: De Havilland of Canada SB No. 6/342.

Compliance: 1. Inspect within 120 hours time in service after 31 May 1976.

Modify within 360 hours time in service after 31 May 1976.

Source text

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

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

DHC-6 (Twin Otter) Series Aeroplanes

Compliance: 1. Inspect within 120 hours time in service after 31 May 1976.

Modify within 360 hours time in service after 31 May 1976.