{"id":"F2006B06083","name":"AD/PC-12/2 Amdt 1 - Starter Generator and Generator No. 2 Power Return Cables","slug":"ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114481,"registerId":"commonwealth-F2006B06083-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PC-12/2 Amdt 1 - Starter Generator and Generator No. 2 Power Return Cables","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nPilatus PC-12 Series Aeroplanes\n\nAD/PC-12/2\n\nAmdt 1\n\n  \n\nStarter Generator and Generator No. 2 Power Return Cables\n\n  \n3/97 DM\n\nApplicability: All PC-12 aeroplanes with serial numbers 101 through 147 inclusive.\n\nRequirement: Reroute the starter generator and No 2 generator power return cables and install placard part number 511.32.12.173 above the Standby Magnetic Compass in accordance with Pilatus Aircraft Limited PC-12 Service Bulletin 24-002 Revision 1 dated 20 September 1996.\n\nNote 1: FOCA Switzerland AD HB 97-001 refers.\n\nNote 2: Previous compliance with the original issue of this Directive only partially satisfies the requirements of this amendment. Action must be completed in accordance with Revision 1 of the Service Bulletin.\n\nCompliance: 1. For aircraft with Pilatus PC-12 Service Bulletin 30-001 dated 20 December 1995 (Icing Modifications) incorporated - prior to the next flight into Instrument Meteorological Conditions, but not later than 31 March 1997.\n\n2. For aircraft without Pilatus PC-12 Service Bulletin 30-001 dated\n\n20 December 1995 (Icing Modifications) incorporated \\- either before or together with the incorporation of Service Bulletin 30-001, but not later than 31 March 1997.\n\nThis Amendment becomes effective on 22 January 1997.\n\nNote: A temporary Flight Manual Amendment is required following compliance with this Directive.\n\nBackground: Excessive deviations occur on the standby magnetic compass, due to the magnetic field produced by the electrical current in the aircraft structure, when some systems are operated. The actions specified in this Directive are intended to reduce the compass deviation to acceptable limits under all operating conditions.\n\nThis amendment introduces Revision 1 to the Requirement Document which extends the applicability range of the directive and requires placarding adjacent to the Standby Magnetic Compass.\n\nThe original issue of this Airworthiness Directive became effective on 10 April 1996.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"The amendment explicitly expands the original directive's scope. The original AD/PC-12/2 (effective 10 April 1996) had narrower applicability; Amendment 1 extends coverage to additional aircraft serial numbers and adds the new placard installation requirement. The document notes that previous partial compliance with the original issue is insufficient — operators must follow the revised Service Bulletin."},"complexity_factors":["Single, specific technical requirement with clear physical actions (reroute cables, install placard)","Two-tier compliance deadline structure based on prior modification status","Cross-reference to external technical document (Pilatus Service Bulletin 24-002 Revision 1)","Limited applicability (specific serial number range: 101–147)","No nested definitions or extensive interpretation sections","Background explanation provided in plain language"],"plain_english_summary":"This CASA Airworthiness Directive legally requires operators of Pilatus PC‑12 aircraft (serials 101–147) to reroute starter generator and Gen‑2 power return cables and install a placard above the standby magnetic compass. It fixes magnetic interference that can mislead the standby compass in poor visibility. Compliance timing depends on whether icing modifications are installed; Amendment 1 expands affected serials and adds the placard requirement."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"This amendment expands the Directive’s applicability and adds a placard requirement adjacent to the standby magnetic compass. The instrument replaces the original Requirement Document with Revision 1 (stated in the amendment), so aircraft outside the earlier range or only compliant with the original issue must undertake further action (\"This amendment introduces Revision 1 ... extends the applicability range ... and requires placarding\"; Background)."},"complexity_factors":["Applicability limited to a specific serial-number range (101–147), so operators must check serial lists (Applicability).","Mandates compliance with a specific manufacturer Service Bulletin revision (24‑002 Rev 1) rather than a generic fix, increasing reliance on the manufacturer's document (Requirement).","Two compliance paths and deadlines tied to whether Service Bulletin 30‑001 (icing modifications) is already incorporated create conditional obligations and scheduling complexity (Compliance: points 1–2).","Previous compliance with the original Directive does not fully satisfy the amendment — operators must confirm revision-level compliance (Note 2).","A temporary Flight Manual Amendment is required after compliance, adding paperwork and operational notice burdens (Note at end of Compliance).","Cross-reference to a foreign AD (FOCA Switzerland AD HB 97-001) requires operators to track related regulatory documents (Note 1).","The amendment both extends applicability and adds placarding; owners must assess if additional aircraft become subject to the work (Background / This amendment paragraph)."],"plain_english_summary":"Requires operators of Pilatus PC-12 aeroplanes (serials 101–147) to reroute the starter-generator and No.2 generator power return cables and install a placard above the standby magnetic compass, following Pilatus Service Bulletin 24‑002 Revision 1. Deadlines differ depending on whether Pilatus Service Bulletin 30‑001 (icing modifications) is installed, and a temporary Flight Manual Amendment must be issued. The Civil Aviation Safety Authority issued the directive to reduce magnetic deviation of the standby compass; aircraft owners/operators bear the cost and must schedule the work."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables","history":"/api/acts/ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables/history","analysis":"/api/acts/ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables/analysis","conflicts":"/api/acts/ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables/conflicts","importantCases":"/api/acts/ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables/important-cases","documents":"/api/acts/ad-pc-12-2-amdt-1-starter-generator-and-generator-no-2-power-return-cables/documents"}}