Commonwealth legislation

AD/PC-6/30 - Anti-Reverse System - Modification

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Commonwealth

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legislative instrument

Plain English Summary

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This AD mandates a one‑off modification and recurring functional checks of the anti‑reversing system on Pilatus PC‑6/B1‑H2 aeroplanes with serial numbers before 726. Owners/operators must arrange and pay for the work, follow Pilatus Service Bulletin No. 101 procedures, and perform initial and repeat tests at 100‑hour intervals—creating an ongoing maintenance and scheduling cost.

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AD/PC-6/30 - Anti-Reverse System - 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 Pilatus Porter PC-6 Series Aeroplanes

AD/PC-6/30 Anti-Reverse System - Modification 11/70

Applicability: All model PC-6/B1-H2 with S/Nos prior to 726.

Requirement: 1. Modify anti-reversing circuit as per para 2.21 of Pilatus SB No. 101.

2. Test anti-reversing valve as per para 2.1 of Pilatus SN No. 101.

3. Function test anti-reversing system as per para 2.22 of Pilatus SB No. 101. Compliance: For Para. 1 - within 100 hours time in service after 31 December 1970.

For Paras. 2 and 3 - Within 100 hours time in service after 31 December 1970 and thereafter at intervals not exceeding 100 hours time in service.

Source text

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