Commonwealth legislation

AD/DHC-6/37 - Side Seat Rail Attachment Rivets - Inspection and Modification

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires inspection and, if needed, modification of side‑seat rail attachment rivets on specified De Havilland DHC‑6 (Twin Otter) serial numbers, using De Havilland Service Bulletin No. 6/302. Owners/operators of the listed aircraft must comply within the AD’s hour‑or‑date deadlines (shorter windows for side‑facing seats), bear the costs and downtime, and follow the prescribed technical procedure to restore airworthiness.

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AD/DHC-6/37 - Side Seat Rail Attachment Rivets - Inspection and Modification

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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 DHC-6 (Twin Otter) Series Aeroplanes

AD/DHC-6/37 Side Seat Rail Attachment Rivets - Inspection and Modification

Applicability: All models with S/Nos. 136 to 350, 353, 356, 360 to 366 and 368. Document: De Havilland of Canada SB No. 6/302.

12/73

Compliance: 1. For aeroplanes with side facing seats: Within 200 hours time in service after 1 January 1974 or before 1 April 1974 whichever occurs first.

For aeroplanes with forward or aft facing seats: Within 1200 hours time in service after 1 January 1974 or before 1 January 1975 whichever occurs first.

Source text

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