{"id":"F2009L00475","name":"AD/BELL 205/16 - Fire Detection System - Audible Warning - CANCELLED","slug":"ad-bell-205-16-fire-detection-system-audible-warning-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":77049,"registerId":"commonwealth-F2009L00475-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bell Helicopter Textron 205 Series Helic","sectionType":"division","heading":"Bell Helicopter Textron 205 Series Helicopters","content":"### Bell Helicopter Textron 205 Series Helicopters\n\n| AD/BELL 205/16 | Fire Detection System - Audible Warning | 3/2009 |\n| -------------- | --------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                       |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 12 March 2009.                                                                                                                                                                           |\n| Background:  | This unique Australian AD, issued in 1973, required modification of the engine fire detection system prior to the 1 January 1975. As all aircraft would have been modified by now, the AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n8 January 2009","sortOrder":0},{"sectionNumber":"AD/BELL 205/16","sectionType":"part","heading":"AD/BELL 205/16","content":"## AD/BELL 205/16","sortOrder":1},{"sectionNumber":"Fire Detection System - Audible Warning","sectionType":"part","heading":"Fire Detection System - Audible Warning","content":"## Fire Detection System - Audible Warning","sortOrder":2},{"sectionNumber":"3/2009","sectionType":"part","heading":"3/2009","content":"## 3/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1345},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument remains within its original scope. It was always intended as a time-limited compliance directive for a specific aircraft modification, and the cancellation simply reflects that the compliance deadline passed decades ago and all affected aircraft have been modified."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation sections","No cross-references to other legislation","Extremely short length (under 200 words of operative text)","No conditional logic or exceptions"],"plain_english_summary":"This document **cancels an old aviation safety rule** (called an *Airworthiness Directive*) that applied to Bell 205 series helicopters.\n\n**What the original rule required:**\n*   Issued in 1973, it mandated a modification to the engine fire detection system\n*   Specifically, it required adding an audible warning system to alert pilots of engine fires\n*   The deadline for this modification was 1 January 1975\n\n**Why it was cancelled:**\n*   The Civil Aviation Safety Authority cancelled the rule on 12 March 2009\n*   Because the compliance deadline passed over 30 years prior, all affected helicopters would already have the modification installed\n*   The rule was therefore redundant and no longer needed\n\n**Who this affects:**\n*   Owners and operators of Bell Helicopter Textron 205 series helicopters\n*   Practically, this removes a redundant paperwork requirement rather than imposing any new obligations"}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning-cancelled","history":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning-cancelled/history","analysis":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning-cancelled/analysis","conflicts":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning-cancelled/conflicts","importantCases":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning-cancelled/important-cases","documents":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning-cancelled/documents"}}