{"id":"F2006B08559","name":"AD/CHA/6 - Throttle Arm and Knob","slug":"ad-cha-6-throttle-arm-and-knob","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":51370,"registerId":"commonwealth-F2006B08559-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CHA/6 - Throttle Arm and Knob","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/6 Throttle Arm and Knob 3/72\n\nApplicability: All models manufactured before 28 April 1969. Requirement:  Action in accordance with Champion SL No 94. Compliance:               Within 100 hours time in service after 31 March 1972.\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":1161},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive remains targeted at its original purpose: addressing a specific mechanical defect in throttle controls for a defined subset of aircraft. There is no evidence of scope creep or expansion beyond the original safety issue."},"complexity_factors":["Single, discrete maintenance task with no conditional logic","Brief applicability criteria based solely on manufacturing date","Refers to external technical document (Champion SL No. 94) without reproducing its contents","No defined terms section or interpretation provisions","Simple compliance metric (flight hours after a fixed date)"],"plain_english_summary":"This is a mandatory safety instruction (called an **Airworthiness Directive**) for owners of specific American Champion aircraft. \n\n**What it requires:**\nIf you own an American Champion, Aeronca, or Bellanca aeroplane built before 28 April 1969, you must perform specific maintenance on the **throttle arm and knob** (the controls that manage engine power). The work must follow the manufacturer's instructions in \"Champion Service Letter No. 94.\"\n\n**Who it affects:**\nOwners and operators of all American Champion aircraft models manufactured before 28 April 1969.\n\n**When it had to be done:**\nWithin 100 hours of flight time after 31 March 1972 (this is a historical directive from 1972).\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety orders. They typically address design defects or unsafe conditions that could cause accidents. This specific directive likely addressed a mechanical issue with the throttle controls that could affect flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cha-6-throttle-arm-and-knob","history":"/api/acts/ad-cha-6-throttle-arm-and-knob/history","analysis":"/api/acts/ad-cha-6-throttle-arm-and-knob/analysis","conflicts":"/api/acts/ad-cha-6-throttle-arm-and-knob/conflicts","importantCases":"/api/acts/ad-cha-6-throttle-arm-and-knob/important-cases","documents":"/api/acts/ad-cha-6-throttle-arm-and-knob/documents"}}