Commonwealth legislation

AD/PC-12/12 - Standby Magnetic Compass

In ForceCTH

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Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Owners/operators and maintenance organisations of Pilatus PC‑12 and PC‑12/45 aeroplanes (MSNs 101–230) must have the standby magnetic compass swung and install Compensation Placard P/N 511.32.12.195 exactly per Pilatus Service Bulletin 34‑006 (3 Sep 1998). Work is mandatory by 31 Jan 1999 (AD effective 31 Dec 1998). The change fixes compass errors from aircraft configuration changes; costs and scheduling fall to operators, with technical steps set by the manufacturer.

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AD/PC-12/12 - Standby Magnetic Compass

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Pilatus PC-12 Series Aeroplanes

AD/PC-12/12 Standby Magnetic Compass 14/98

Applicability: Model PC-12 and PC-12/45 aeroplanes Manufacturers Serial Numbers 101 up to and including 230.

Requirement: Unless previously accomplished, perform a standby magnetic compass swing and install a new ‘Compensation Placard’ (part number 511.32.12.195). Both actions are to be accomplished in accordance with Pilatus Aircraft Ltd PC-12 Service Bulletin 34-006 dated 3 September 1998.

Note: FOCA Switzerland AD HB 98-426 refers.

Compliance: Prior to 31 January 1999.

This Airworthiness Directive becomes effective on 31 December 1998.

Background: Changes to aircraft configuration required the standby compass swing procedures to be revised. The revised procedure permits the compass to be compensated for any configuration of windshield heating and aircraft systems. The new ‘Compensation Placard’ advises the correct procedures for reading the standby magnetic compass.

Source text

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

1 AD/PC-12/12 - Standby Magnetic Compass