{"id":"F2009L04120","name":"AD/ARRIEL/17 Amdt 3 - Engine - Gas Generator Second Stage Turbine - CANCELLED","slug":"ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":81741,"registerId":"commonwealth-F2009L04120-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Turbomeca Turbine Engines - Arriel Serie","sectionType":"division","heading":"Turbomeca Turbine Engines - Arriel Series","content":"### Turbomeca Turbine Engines - Arriel Series\n\n| AD/ARRIEL/17 Amdt 3 | Engine - Gas Generator Second Stage Turbine | 22/2009 |\n| ------------------- | ------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                       |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 12 November 2009.                                                                                                                                                                                                                        |\n| Background:  | A State of Design airworthiness directive issued on or after 1st October 2009 is defined as an airworthiness directive per CASR Part 39.001A. The requirements of this airworthiness directive have been superseded by EASA AD 2009-0236 issued 29 October 2009. |\n\n![](image.001.png)\n\nWilliam David  \nDelegate of the Civil Aviation Safety Authority\n\n2 November 2009","sortOrder":0},{"sectionNumber":"AD/ARRIEL/17 Amdt 3","sectionType":"part","heading":"AD/ARRIEL/17 Amdt 3","content":"## AD/ARRIEL/17 Amdt 3","sortOrder":1},{"sectionNumber":"Engine - Gas Generator Second Stage Turb","sectionType":"part","heading":"Engine - Gas Generator Second Stage Turbine","content":"## Engine - Gas Generator Second Stage Turbine","sortOrder":2},{"sectionNumber":"22/2009","sectionType":"part","heading":"22/2009","content":"## 22/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2216},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument performs its intended administrative function of cancelling an obsolete directive. The regulatory scope remains limited to aviation safety oversight of the Arriel engine's gas generator second stage turbine; the requirement has simply been transferred to an international (EASA) directive rather than expanded or substantively altered."},"complexity_factors":["Single operative provision (cancellation of previous directive)","Minimal cross-referencing (only references the superseding EASA AD and CASR Part 39.001A)","No defined terms, formulas, or conditional logic","Document consists of a single table entry stating 'CANCELLED' plus background explanation","Extremely short length with straightforward effective date"],"plain_english_summary":"This instrument cancels an earlier Australian airworthiness directive that applied to Turbomeca Arriel-series turbine engines (used in helicopters like the AS350/EC130). It matters because, from 12 November 2009, the equivalent EASA AD (2009‑0236) covers the same gas‑generator second‑stage turbine safety issue, so operators must comply with the European directive rather than the cancelled Australian one."}},"importantCases":[],"_links":{"self":"/api/acts/ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled","history":"/api/acts/ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled/history","analysis":"/api/acts/ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled/analysis","conflicts":"/api/acts/ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled/conflicts","importantCases":"/api/acts/ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled/important-cases","documents":"/api/acts/ad-arriel-17-amdt-3-engine-gas-generator-second-stage-turbine-cancelled/documents"}}