{"id":"F2008L04039","name":"AD/DHC-3/21 - Rudder Pedal Support - CANCELLED","slug":"ad-dhc-3-21-rudder-pedal-support-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75878,"registerId":"commonwealth-F2008L04039-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"DHC-3 (Otter) Series Aeroplanes","sectionType":"division","heading":"DHC-3 (Otter) Series Aeroplanes","content":"### DHC-3 (Otter) Series Aeroplanes\n\n| AD/DHC-3/21 | Rudder Pedal Support | 12/2008 |\n| ----------- | -------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                                                    |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 20 November 2008.                                                                                                                                                                                                                                                                                                     |\n| Background:  | This AD was raised in 1966 against De Havilland Canada TNS Otter No. 96, requiring a modification on the rudder pedal support to prevent high stress concentration and to take compression loads on the \"V\" frame. Compliance was required forthwith.As all affected aircraft would have been modified by now, this AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n8 October 2008","sortOrder":0},{"sectionNumber":"AD/DHC-3/21","sectionType":"part","heading":"AD/DHC-3/21","content":"## AD/DHC-3/21","sortOrder":1},{"sectionNumber":"Rudder Pedal Support","sectionType":"part","heading":"Rudder Pedal Support","content":"## Rudder Pedal Support","sortOrder":2},{"sectionNumber":"12/2008","sectionType":"part","heading":"12/2008","content":"## 12/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1815},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs exactly the single function described: cancelling a specific obsolete Airworthiness Directive. It does not expand regulatory scope, create new classes of regulated entities, or impose ongoing obligations."},"complexity_factors":["Extremely short instrument (under 150 words)","No defined terms or interpretation sections","Single, unambiguous operative provision (cancellation)","No cross-references to other legislation beyond the cancelled AD","No conditional logic, exceptions, or operative subsections"],"plain_english_summary":"This instrument formally cancels the 1966 CASA requirement that DHC-3 Otter rudder-pedal support structures be modified to prevent stress concentrations.  \n\nIt affects owners/operators of DHC-3 Otters in name only: CASA found the required modifications have already been carried out, so the rule is obsolete and is being removed to tidy the regulatory record."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dhc-3-21-rudder-pedal-support-cancelled","history":"/api/acts/ad-dhc-3-21-rudder-pedal-support-cancelled/history","analysis":"/api/acts/ad-dhc-3-21-rudder-pedal-support-cancelled/analysis","conflicts":"/api/acts/ad-dhc-3-21-rudder-pedal-support-cancelled/conflicts","importantCases":"/api/acts/ad-dhc-3-21-rudder-pedal-support-cancelled/important-cases","documents":"/api/acts/ad-dhc-3-21-rudder-pedal-support-cancelled/documents"}}