Commonwealth legislation

AD/PR/23 - Feathering Springs - Operational Inspection

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

The Civil Aviation Safety Authority mandates a one‑time ground feathering inspection of Dowty Rotol variable‑pitch propellers on specified Gulfstream, Fairchild, Jetstream 31 and CASA 212 aircraft, carried out per Dowty Rotol Service Bulletin 61‑A995. Affected owners/operators must have the check done before first flight after fitment or, for existing installations, by 14 January 1984. The check’s stated purpose is to detect any undetected assembly failures.

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AD/PR/23 - Feathering Springs - Operational Inspection

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Propellers - Variable Pitch - Dowty Rotol

AD/PR/23 Feathering Springs - Operational Inspection 12/83

Applicability: Propeller Aircraft R306/3-82-F/7 Gulfstream Aerospace Commander 690C, 690D, 695 and 695A R321/4-82-F/8 Fairchild Aircraft SA-227AC (Metro III) R321/4-82- F/9 Fairchild Aircraft SA-227AT (Merlin IVC) R324/4-82-F/9 Fairchild Aircraft SA- 227TT (Merlin IIIC) R333/4-82-F/12 Jetstream 31 R334/4-82-F/13 CASA 212.

Requirement: Carry out a ground feathering check in accordance with Dowty Rotol Service bulletin 61-A995.

Compliance: (i) On fitment to the Aircraft prior to its first flight.

(ii) For those propellers already installed, no later than 14 January 1984.

Background: In order to check that no undetected assembly failure exists, the manufacturer has deemed it necessary to carry out a once only feathering check.

Source text

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

1 AD/PR/23 - Feathering Springs - Operational Inspection