{"id":"F2006B08043","name":"Airworthiness Directives 2004 - Revocation and Remaking - Turbomeca Turbine Engines - Artouste Series","slug":"airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115119,"registerId":"commonwealth-F2006B08043-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Turbomeca Turbine Engines - Artouste Series","content":"Airworthiness Directives 2004\n\nI, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\nAuthority, acting under subregulation 39.001 (1) of the Civil\n\nAviation Safety Regulations 1998:\n\n(a) revoke the Airworthiness Directives mentioned in\n\nSchedule 1; and\n\n(b) make, as separate instruments, each Airworthiness\n\nDirective mentioned in Schedule 1 and attached.\n\n![](image.001.png)\n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority\n\n20 December 2004\n\nNote: Each attached Airworthiness Directive is being re-made in exactly the\n\nsame form as appears in the latest published edition of the Directive.\n\n  \nSchedule 1 Revocation and Remaking of\n\nAirworthiness Directives\n\nTurbomeca Turbine Engines - Artouste Series\n\nAD Name AD Number\n\nEngine Components - Life Limitations AD/ARTOUSTE/1\n\nOil and Fuel Lines - Replacement and Support AD/ARTOUSTE/2\n\nCombustion Chamber Inner Shell - Inspection AD/ARTOUSTE/3\n\nMicropump Valve Rod - Modification AD/ARTOUSTE/4\n\nReduction Gear Driving Pinion Bearings Replacement AD/ARTOUSTE/5\n\nFuel Shutoff Valve - Control AD/ARTOUSTE/6","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument explicitly states it is remaking the directives 'in exactly the same form as appears in the latest published edition.' This is purely administrative restructuring — converting a consolidated instrument into separate instruments — with no expansion of substantive safety requirements or affected parties."},"complexity_factors":["Very short instrument (under 500 words)","No defined terms section — relies on external understanding of 'Airworthiness Directive' and 'subregulation 39.001(1)'","Simple binary structure: revoke (a) and remake (b)","No conditional logic or nested exceptions","Cross-references limited to Schedule 1 table and external regulations (Civil Aviation Safety Regulations 1998)","Content is essentially a procedural wrapper around pre-existing technical documents (the attached ADs themselves, which are not reproduced in full)"],"plain_english_summary":"**What this legislation does:**\n\nThis instrument is an administrative housekeeping measure by the Civil Aviation Safety Authority (CASA). It **revokes and immediately remakes** six existing Airworthiness Directives (ADs) that apply to a specific family of aircraft engines — the Turbomeca Artouste series of turbine engines.\n\n**Who it affects:**\n\n- **Aircraft operators and maintenance organisations** that use or service Turbomeca Artouste engines (commonly found in helicopters like the Aérospatiale Alouette II/III and Westland Gazelle)\n- **Owners of aircraft** powered by these engines\n\n**Why it matters:**\n\nAirworthiness Directives are **legally binding safety orders** issued by CASA. They require specific inspections, repairs, or modifications to aircraft components to address unsafe conditions. This instrument doesn't change the actual safety requirements — it simply **reissues the same six directives as separate legal instruments** rather than keeping them bundled together. This is likely done to:\n- Improve administrative clarity\n- Allow each directive to be updated independently in future\n- Ensure each safety requirement stands as its own enforceable document\n\n**The six directives cover:**\n- **Engine component life limits** — when parts must be retired\n- **Oil and fuel line replacement** — preventing leaks and fires\n- **Combustion chamber inspection** — checking for cracks or damage\n- **Micropump valve rod modification** — fixing a specific mechanical issue\n- **Reduction gear bearing replacement** — maintaining the gearbox\n- **Fuel shutoff valve control** — ensuring emergency fuel cutoff works\n\n**Key point:** If you comply with these directives already, **nothing changes**. This is purely a legal restructuring, not a new safety requirement."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"No substantive scope change. The instrument revokes and re-issues the six listed ADs \"in exactly the same form\" as the latest published editions, so existing inspection, replacement and modification obligations remain the same; the change is administrative (separate instruments) under subregulation 39.001(1) and is recorded in Schedule 1."},"complexity_factors":["Legal authority is clear and singular: action taken under subregulation 39.001(1) (text: \"acting under subregulation 39.001 (1)\").","Procedure is administrative: revocation and re-making of existing instruments rather than introducing new obligations (text: \"Each attached Airworthiness Directive is being re-made in exactly the same form\").","Number and specificity of affected instruments: six named Airworthiness Directives are listed in Schedule 1, requiring cross-reference by operators and maintainers.","Low substantive ambiguity: no new technical requirements or changes to scope appear in the text—risk is mainly recordkeeping and instrument-management.","Potential implementation tasks concentrated on the regulator and certificate-holders (reissuing, redistribution, record updates) rather than on novel compliance actions."],"plain_english_summary":"This instrument revokes six existing Airworthiness Directives for Turbomeca Artouste turbine engines and re-issues each one as a separate, standalone directive under CASR subregulation 39.001(1).\n\nThe content of each directive is unchanged (\"exactly the same form\" as the latest published edition), so turbine operators, maintainers and regulators remain subject to the same inspection, replacement and modification requirements listed in Schedule 1; the change is administrative, not substantive."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-turbomeca-turbine-engines-artouste-series/documents"}}