{"id":"F2009L03020","name":"AD/VG-RV/1 - Elevator Trim Tab - CANCELLED","slug":"ad-vg-rv-1-elevator-trim-tab-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80562,"registerId":"commonwealth-F2009L03020-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Van Grunsven RV Series Aeroplanes","sectionType":"division","heading":"Van Grunsven RV Series Aeroplanes","content":"### Van Grunsven RV Series Aeroplanes\n\n| AD/VG-RV/1 | Elevator Trim Tab | 9/2009 |\n| ---------- | ----------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                                                    |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 27 August 2009.                                                                                                                                                                                                                                                                                                       |\n| Background:  | This AD, raised in 1989, required an inspection and modification to the elevator trim tab horn following report of failure of rivets attaching the horn to the tab.Compliance was required prior to 28 February 1990.As all affected aircraft would have been inspected, and, if necessary, 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\n30 June 2009","sortOrder":0},{"sectionNumber":"AD/VG-RV/1","sectionType":"part","heading":"AD/VG-RV/1","content":"## AD/VG-RV/1","sortOrder":1},{"sectionNumber":"Elevator Trim Tab","sectionType":"part","heading":"Elevator Trim Tab","content":"## Elevator Trim Tab","sortOrder":2},{"sectionNumber":"9/2009","sectionType":"part","heading":"9/2009","content":"## 9/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2820},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs its intended function of formally terminating a superseded safety requirement. Rather than expanding the scope, it extinguishes the regulatory obligation entirely because the original safety objective (ensuring all affected aircraft were inspected and modified) was achieved through compliance with the 1990 deadline."},"complexity_factors":["Single operative provision consisting of one sentence ('This AD is cancelled')","No defined terms or interpretation section","No cross-references to primary legislation or regulations","No conditional logic, exceptions, or compliance timelines","Document consists almost entirely of background explanation rather than operative legal text"],"plain_english_summary":"This instrument cancels the 1989 Airworthiness Directive requiring inspection/repair of the elevator trim tab horn on Van Grunsven RV homebuilt aircraft. It recognises the original compliance deadline passed (Feb 1990) and that affected aircraft would have been addressed long ago.\n\nNo action is required by current owners; the AD was removed from the register as of 27 August 2009."}},"importantCases":[],"_links":{"self":"/api/acts/ad-vg-rv-1-elevator-trim-tab-cancelled","history":"/api/acts/ad-vg-rv-1-elevator-trim-tab-cancelled/history","analysis":"/api/acts/ad-vg-rv-1-elevator-trim-tab-cancelled/analysis","conflicts":"/api/acts/ad-vg-rv-1-elevator-trim-tab-cancelled/conflicts","importantCases":"/api/acts/ad-vg-rv-1-elevator-trim-tab-cancelled/important-cases","documents":"/api/acts/ad-vg-rv-1-elevator-trim-tab-cancelled/documents"}}