{"id":"F2009L03792","name":"AD/BELL 206/100 - Main Rotor Blade Retaining Nuts P/N 206-011-119-1 - CANCELLED","slug":"ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":141676,"registerId":"commonwealth-F2009L03792-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bell Helicopter Textron Canada (BHTC) 20","sectionType":"division","heading":"Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters","content":"### Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\n| AD/BELL 206/100 | Main Rotor Blade RetainingNuts P/N 206-011-119-1 | 12/2009 |\n| --------------- | ------------------------------------------------ | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                             |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 19 November 2009.                                                                                                                                                                                                                              |\n| Background:  | This unique Australian AD applied to Agusta Bell AB206 helicopters and specified action in accordance with SB 206-168. Action was required at each daily inspection until terminating action which had to be completed by December 1985. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n28 September 2009","sortOrder":0},{"sectionNumber":"AD/BELL 206/100","sectionType":"part","heading":"AD/BELL 206/100","content":"## AD/BELL 206/100","sortOrder":1},{"sectionNumber":"Main Rotor Blade RetainingNuts P/N 206-0","sectionType":"part","heading":"Main Rotor Blade RetainingNuts P/N 206-011-119-1","content":"## Main Rotor Blade Retaining  \nNuts P/N 206-011-119-1","sortOrder":2},{"sectionNumber":"12/2009","sectionType":"part","heading":"12/2009","content":"## 12/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1844},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument narrows rather than expands regulatory scope. It simply revokes a previous airworthiness directive that had become obsolete, removing inspection requirements rather than adding new ones."},"complexity_factors":["Single operative provision consisting of one word: 'CANCELLED'","No defined terms or interpretation section","No cross-references to other legislation (only references to the cancelled AD itself)","No conditional logic, exceptions, or procedural steps","Document is approximately 100 words including administrative metadata"],"plain_english_summary":"This document cancels a longstanding Australian Airworthiness Directive requiring daily inspections of main rotor blade retaining nuts on Bell 206 and Agusta Bell AB206 helicopters. \n\nAs of 19 November 2009 the inspection requirement tied to SB 206‑168 is removed because the underlying safety issue was resolved, ending an outdated maintenance burden for operators."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled","history":"/api/acts/ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled/history","analysis":"/api/acts/ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled/analysis","conflicts":"/api/acts/ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled/conflicts","importantCases":"/api/acts/ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled/important-cases","documents":"/api/acts/ad-bell-206-100-main-rotor-blade-retaining-nuts-p-n-206-011-119-1-cancelled/documents"}}