{"id":"F2009L02836","name":"AD/AUS/2 - Tail Attachment Bolts - CANCELLED","slug":"ad-aus-2-tail-attachment-bolts-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80122,"registerId":"commonwealth-F2009L02836-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Auster/Beagle A.61 Series Aeroplanes","sectionType":"division","heading":"Auster/Beagle A.61 Series Aeroplanes","content":"### Auster/Beagle A.61 Series Aeroplanes\n\n| AD/AUS/2 | Tail Attachment Bolts | 8/2009 |\n| -------- | --------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                     |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 30 July 2009.                                                                                                                                                                                                                          |\n| Background:  | This AD, raised in 1950 against Auster Service Bulletin (SB) SB issue 7, required a maintenance action for tail attachment bolts. Compliance was required forthwith.As all affected aircraft would have been modified long ago, this AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n18 June 2009","sortOrder":0},{"sectionNumber":"AD/AUS/2","sectionType":"part","heading":"AD/AUS/2","content":"## AD/AUS/2","sortOrder":1},{"sectionNumber":"Tail Attachment Bolts","sectionType":"part","heading":"Tail Attachment Bolts","content":"## Tail Attachment Bolts","sortOrder":2},{"sectionNumber":"8/2009","sectionType":"part","heading":"8/2009","content":"## 8/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1806},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs exactly one function: cancelling the obsolete 1950 Airworthiness Directive. There is no expansion of regulatory scope or introduction of new requirements."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms or interpretation section","No cross-references to other legislation","Extremely short (under 150 words)","No conditional logic, exceptions, or procedural requirements"],"plain_english_summary":"**What this does**\n\nThis document officially cancels a 1950 aviation safety rule that required maintenance checks on tail attachment bolts for specific light aircraft.\n\n**Who it affects**\n\nOwners and operators of Auster/Beagle A.61 series aeroplanes — though no action is required, as this simply removes an old rule from the books.\n\n**Why it matters**\n\nThe Civil Aviation Safety Authority has determined that all affected aircraft were modified decades ago, making the 1950 directive redundant. This cancellation cleans up the regulatory framework by removing obsolete requirements that no longer serve a safety purpose."}},"importantCases":[],"_links":{"self":"/api/acts/ad-aus-2-tail-attachment-bolts-cancelled","history":"/api/acts/ad-aus-2-tail-attachment-bolts-cancelled/history","analysis":"/api/acts/ad-aus-2-tail-attachment-bolts-cancelled/analysis","conflicts":"/api/acts/ad-aus-2-tail-attachment-bolts-cancelled/conflicts","importantCases":"/api/acts/ad-aus-2-tail-attachment-bolts-cancelled/important-cases","documents":"/api/acts/ad-aus-2-tail-attachment-bolts-cancelled/documents"}}