{"id":"F2006B02574","name":"AD/AUS/4 - Aileron Control Push Rod","slug":"ad-aus-4-aileron-control-push-rod","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41830,"registerId":"commonwealth-F2006B02574-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AUS/4 - Aileron Control Push Rod","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Auster/Beagle A.61 Series Aeroplanes\n\n \n\nAD/AUS/4 Aileron Control Push Rod 4/56\n\nApplicability: (a) Models J5F, J5K, J5L;\n\n \n\n(b)     Models J1, J1B, J2, J4, J5, J5B, J5G, J5H, J5P, Mark VD and Civil Marks IV and V.\n\n \n\n(c)      Model Mark III.\n\n \n\nRequirement: Remove the ball and socket assembly of the aileron control push rods and fit redesigned rod end bearings in accordance with Auster Modification 2893, for the aeroplanes listed in para. 1(a) in accordance with Auster Modification No. 2895 or DCA Drawing No. HH.3338 for the aeroplanes listed in paragraph 1(b) and in accordance with DCA Drawing No. HH.3338 for the aeroplane in paragraph 1(c).\n\n \n\nCompliance: Forthwith.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2059},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains a narrow, technical scope focused solely on the mechanical modification of aileron control systems in specific legacy aircraft, consistent with the standard purpose of Airworthiness Directives."},"complexity_factors":["Single, unambiguous mechanical modification requirement","Limited applicability to specific vintage aircraft models only (Auster/Beagle A.61 series)","No defined terms, interpretation clauses, or conditional exceptions","Brief document with immediate compliance deadline and no procedural steps","Technical references to external engineering drawings require specialized aviation knowledge to interpret"],"plain_english_summary":"This mandatory Airworthiness Directive orders owners/operators of specific Auster/Beagle light aircraft to immediately replace the original ball-and-socket aileron control-rod joints with redesigned rod-end bearings (by specified Auster modifications or DCA drawings, depending on model). It’s urgent because the original fittings can fail or wear, risking loss of roll control and a potential accident."}},"importantCases":[],"_links":{"self":"/api/acts/ad-aus-4-aileron-control-push-rod","history":"/api/acts/ad-aus-4-aileron-control-push-rod/history","analysis":"/api/acts/ad-aus-4-aileron-control-push-rod/analysis","conflicts":"/api/acts/ad-aus-4-aileron-control-push-rod/conflicts","importantCases":"/api/acts/ad-aus-4-aileron-control-push-rod/important-cases","documents":"/api/acts/ad-aus-4-aileron-control-push-rod/documents"}}