{"id":"F2009L01611","name":"AD/EC 225/11 - Main Gear Box Epicyclic Reduction Gear Module - CANCELLED","slug":"ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":78404,"registerId":"commonwealth-F2009L01611-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EC 225/11 - Main Gear Box Epicyclic Reduction Gear Module - CANCELLED","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: AIRCRAFT\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n \n\nAIRWORTHINESS DIRECTIVE\n\nOn the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/EC 225/11.\n\n### Eurocopter EC 225 Series Helicopters\n\n| AD/EC 225/11 | Main Gear Box Epicyclic  Reduction Gear Module | 6/2009 TX |\n| --- | --- | --- |\n\n\n \n\n| Requirement: | CANCELLED. |\n| --- | --- |\n|  | This AD is cancelled on 24 April 2009. |\n| Background: | The requirements of this Directive have been superseded by AD/EC 225/12 Amdt 1. |\n\n\n![](image.001.png)\n\nJames Coyne  Delegate of the Civil Aviation Safety Authority\n\n24 April 2009\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1219},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the legal effect of the previous directive rather than expanding or altering its scope. The substantive requirements continue under a new directive number (AD/EC 225/12 Amdt 1)."},"complexity_factors":["Single operation document (cancellation only)","No defined terms or interpretation section","No conditional logic, exceptions, or procedural steps","Extremely short (under 150 words)","Only substantive content is a reference to the superseding directive"],"plain_english_summary":"This document officially cancels a previous aviation safety rule about Eurocopter EC 225 helicopters.\n\n**What it does**\n- Cancels Airworthiness Directive AD/EC 225/11, which previously set requirements for the Main Gear Box Epicyclic Reduction Gear Module on these helicopters\n- The cancellation took effect on 24 April 2009\n\n**Why it matters**\n- This is administrative housekeeping: the old safety requirements have been replaced by a newer rule (AD/EC 225/12 Amendment 1)\n- Helicopter operators no longer need to follow the old directive because the updated version applies instead\n- Prevents confusion by formally removing outdated requirements from the books\n\n**Who it affects**\n- Operators and maintainers of Eurocopter EC 225 series helicopters\n- The Civil Aviation Safety Authority (CASA) itself, for record-keeping purposes"}},"importantCases":[],"_links":{"self":"/api/acts/ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled","history":"/api/acts/ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled/history","analysis":"/api/acts/ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled/analysis","conflicts":"/api/acts/ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled/conflicts","importantCases":"/api/acts/ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled/important-cases","documents":"/api/acts/ad-ec-225-11-main-gear-box-epicyclic-reduction-gear-module-cancelled/documents"}}