Commonwealth legislation

AD/DHE/19 - Crankshaft - Inspection and Modification

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This directive requires owners/operators of Gipsy Queen 30 series engines modified by Mod. 2036 or 2162 to carry out an initial inspection within 100 hours after 15 April 1966 and repeat inspections no more than every 400 hours until Mod. 2925 is fitted, and to have Mod. 2925 incorporated into the crankshaft before re‑installation after the next overhaul.

It affects engine owners, maintenance organisations and certificating authorities and matters because it mandates recurring inspections and a one‑off modification, shifting inspection, downtime and modification costs onto operators.

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AD/DHE/19 - Crankshaft - Inspection and Modification

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source De Havilland Piston Engines

AD/DHE/19 Crankshaft - Inspection and Modification 4/66

Applicability: Gipsy Queen 30 series engines modified to Mod. 2036 or Mod. 2162.

Document: Bristol Siddeley TNS GQ 30 No. 70 dated 16 Nov. 1965 and Gipsy Mod. No. 2925.

Compliance: Inspect within 100 hours time in service after 15 April 1966 and thereafter at intervals not exceeding 400 hours time in service until Mod. 2925 is incorporated. Modify before installation in an aircraft following next overhaul completed after 15 April 1966.

Source text

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