{"id":"F2009L02790","name":"AD/SM-260/12 - Canopy Latch Assembly - Modification - CANCELLED","slug":"ad-sm-260-12-canopy-latch-assembly-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":79986,"registerId":"commonwealth-F2009L02790-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"SIAI Marchetti 260 Series Aeroplanes","sectionType":"division","heading":"SIAI Marchetti 260 Series Aeroplanes","content":"### SIAI Marchetti 260 Series Aeroplanes\n\n| AD/SM-260/12 | Canopy Latch Assembly - Modification | 8/2009 |\n| ------------ | ------------------------------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                      |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 30 July 2009.                                                                                                                                                                                                                                                                           |\n| Background:  | This AD, raised in 1979 against SIAI Marchetti Service Bulletin (SB) SB No. 260B29, required a modification to prevent possible inadvertent unlocking of the canopy. Compliance was required before 30 December 1979.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\n17 June 2009","sortOrder":0},{"sectionNumber":"AD/SM-260/12","sectionType":"part","heading":"AD/SM-260/12","content":"## AD/SM-260/12","sortOrder":1},{"sectionNumber":"Canopy Latch Assembly - Modification","sectionType":"part","heading":"Canopy Latch Assembly - Modification","content":"## Canopy Latch Assembly - Modification","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":1705},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The original 1979 instrument imposed a mandatory physical modification obligation on aircraft operators. This 2009 version eliminates that requirement entirely, converting the directive from an active compliance mandate into a nullity."},"complexity_factors":["Single operative provision (cancellation of previous directive)","No defined terms or interpretation section","No legislative cross-references","Straightforward retrospective rationale provided in plain language"],"plain_english_summary":"This document officially cancels a 1979 aviation safety rule (**Airworthiness Directive**) that required owners of SIAI Marchetti 260 series aircraft to modify their canopy latches. The original rule was designed to stop canopies from accidentally unlocking mid-flight. Because every affected aircraft would have already made this change by the original 1979 deadline, the Civil Aviation Safety Authority has scrapped the directive effective **30 July 2009**. This removes the legal obligation to comply, though in practice all planes were already modified decades ago."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sm-260-12-canopy-latch-assembly-modification-cancelled","history":"/api/acts/ad-sm-260-12-canopy-latch-assembly-modification-cancelled/history","analysis":"/api/acts/ad-sm-260-12-canopy-latch-assembly-modification-cancelled/analysis","conflicts":"/api/acts/ad-sm-260-12-canopy-latch-assembly-modification-cancelled/conflicts","importantCases":"/api/acts/ad-sm-260-12-canopy-latch-assembly-modification-cancelled/important-cases","documents":"/api/acts/ad-sm-260-12-canopy-latch-assembly-modification-cancelled/documents"}}