{"id":"F2006B06669","name":"AD/ROTAX/3 - Ignition Electronic Module Wiring","slug":"ad-rotax-3-ignition-electronic-module-wiring","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48640,"registerId":"commonwealth-F2006B06669-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ROTAX/3 - Ignition Electronic Module Wiring","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Rotax Piston Engines\n\n \n\nAD/ROTAX/3 Ignition Electronic Module Wiring 5/95 DM\n\nApplicability: All 912 A series engines from serial number 4,076.064.\n\n \n\nRequirement: Action in accordance with Bombardier Rotax Mandatory Technical Bulletin 912-07 dated 30 January 1995.\n\n \n\nNote: Austro Control (Austria) AD 82 dated 3 February 1995 refers.\n\n \n\nCompliance: Within 100 hours time in service after 15 March 1995, but no later than 30 April 1995.\n\n \n\nBackground: Bombardier Rotax have reported that electromagnetic interference (EMI) from radio transmitters could cause ignition failure due to inadequate grounding. This Directive introduces new requirements to ensure that cable shields are correctly grounded, the Austrian compliance is extended by 45 days for Australian registered aircraft.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-limited safety directive addressing a specific technical defect in specific engines. It has not expanded beyond its original purpose of mandating a wiring modification for EMI protection."},"complexity_factors":["Very short document (approximately 200 words)","Only 1 defined applicability criterion (engine serial number range)","Single requirement referencing an external technical bulletin rather than spelling out detailed technical steps","No nested exceptions or conditional logic","Simple compliance deadline structure (hours OR calendar date)","Minimal cross-referencing (one Austrian authority reference, one manufacturer bulletin)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of Australian‑registered aircraft with Rotax 912 A‑series engines (S/N from 4,076.064) to correct a faulty cable‑shield grounding that allows radio‑frequency EMI to cause ignition failure. Compliance follows Bombardier Rotax’s technical bulletin to properly ground the shielded wiring. The AD’s short 1995 compliance window has long passed, but the measure was issued to prevent in‑flight engine shutdowns."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD implements corrective wiring/grounding measures to mitigate EMI-related ignition failures and applies to a defined set of Rotax 912 A engines (Applicability, Requirement, Background). It does not expand the category of affected engines or the nature of the remedy; the only modification relative to the referenced Austrian action is an extended compliance window for Australian-registered aircraft (Background/Compliance/Note), so the substantive scope remains unchanged."},"complexity_factors":["Narrow technical applicability limited to a specific engine model and serial-number cutoff (Applicability).","Remedial detail is contained in an external document—Bombardier Rotax Mandatory Technical Bulletin 912-07—so operators must obtain and follow that bulletin (Requirement).","Tight compliance window: within 100 hours TIS after 15 March 1995 but no later than 30 April 1995, creating scheduling pressure for operators (Compliance).","Technical nature of remedy (grounding cable shields to mitigate EMI) requires qualified maintenance work and verification (Background/Requirement).","Cross-reference to Austro Control AD 82 and a 45-day extension for Australian registered aircraft introduces a jurisdictional coordination element (Background/Note).","Implied economic and administrative burdens fall on aircraft owners/operators (performing work, parts/labour, and recordkeeping) as required by the AD (Requirement/Compliance)."],"plain_english_summary":"Mandates grounding-related wiring changes on Bombardier Rotax 912 A‑series piston engines (applicability: all 912 A series engines from serial number 4,076.064) by requiring compliance with Bombardier Rotax Mandatory Technical Bulletin 912‑07 (Requirement). It addresses reported ignition failures caused by radio-frequency electromagnetic interference (Background).\n\nAircraft owners/operators must perform the wiring work and bear compliance costs. Actions must be completed within 100 flight hours after 15 March 1995 and by 30 April 1995 (Compliance). The AD notes Austro Control AD 82 (Note)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rotax-3-ignition-electronic-module-wiring","history":"/api/acts/ad-rotax-3-ignition-electronic-module-wiring/history","analysis":"/api/acts/ad-rotax-3-ignition-electronic-module-wiring/analysis","conflicts":"/api/acts/ad-rotax-3-ignition-electronic-module-wiring/conflicts","importantCases":"/api/acts/ad-rotax-3-ignition-electronic-module-wiring/important-cases","documents":"/api/acts/ad-rotax-3-ignition-electronic-module-wiring/documents"}}