{"id":"F2006B08560","name":"AD/CHA/7 - Elevator and Rudder Control Systems","slug":"ad-cha-7-elevator-and-rudder-control-systems","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":51372,"registerId":"commonwealth-F2006B08560-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CHA/7 - Elevator and Rudder Control Systems","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)  American Champion (Aeronca, Bellanca) Series Aeroplanes\n\n \n\nAD/CHA/7 Elevator and Rudder Control Systems 3/72\n\nApplicability: All models.\n\n \n\nRequirement: Action in accordance with Bellanca Aircraft Corp SL No 101.\n\n \n\nCompliance: Within 300 hours time in service or at first major inspection after 31 March 1972 whichever occurs first.\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\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":1485},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a discrete airworthiness directive from 1972 (amendment 3/72) targeting a specific safety issue (control system integrity) in a defined aircraft series. It maintains its original narrow, technical scope without expansion into unrelated operational or administrative matters."},"complexity_factors":["Single requirement referencing an external technical document (Service Letter No. 101)","No definitions section or interpreted terms","Binary applicability (all models of the specified aircraft series)","Simple compliance trigger with two alternative deadlines (whichever occurs first)","No exceptions, exemptions, or conditional provisions"],"plain_english_summary":"This Airworthiness Directive requires owners/operators of all American Champion (including former Aeronca and Bellanca) aircraft to perform specific inspections/modifications to elevator and rudder controls per Bellanca Aircraft Corporation Service Letter No. 101 to prevent control failure and loss of control. Compliance is required within 300 flight hours in service or at the first major inspection after 31 March 1972, whichever occurs first."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cha-7-elevator-and-rudder-control-systems","history":"/api/acts/ad-cha-7-elevator-and-rudder-control-systems/history","analysis":"/api/acts/ad-cha-7-elevator-and-rudder-control-systems/analysis","conflicts":"/api/acts/ad-cha-7-elevator-and-rudder-control-systems/conflicts","importantCases":"/api/acts/ad-cha-7-elevator-and-rudder-control-systems/important-cases","documents":"/api/acts/ad-cha-7-elevator-and-rudder-control-systems/documents"}}