{"id":"F2006B03736","name":"AD/BEECH 23/2 - Rudder Leading Edge","slug":"ad-beech-23-2-rudder-leading-edge","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43329,"registerId":"commonwealth-F2006B03736-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 23/2 - Rudder Leading Edge","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)  Beechcraft 19, 23 and 24 Series Aeroplanes\n\n \n\nAD/BEECH 23/2 Rudder Leading Edge 3/64\n\nApplicability: All models.\n\n \n\nRequirement:  Modify the leading edge of the rudder in accordance with Hawker De Havilland Technical News Sheet. Beech Aust. No. 2 Issue 1 drawing 05/F/101 covers this modification.\n\n \n\nCompliance: Before 1 September 1971.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1810},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains its original targeted scope: a specific structural modification for specific Beechcraft aircraft models. There is no evidence of scope creep or expansion beyond the original safety purpose."},"complexity_factors":["Single, unambiguous modification requirement","No defined terms or interpretation section","No conditional logic, exceptions, or nested provisions","Extremely short length (four substantive paragraphs)"],"plain_english_summary":"This is an **Airworthiness Directive** (AD) — a mandatory safety regulation issued under Commonwealth aviation law.\n\n**What it requires**\nOwners and operators of specific Beechcraft aeroplanes (Models 19, 23, and 24 series) must modify the leading edge of the rudder. The exact technical specifications are contained in an external engineering document: Hawker De Havilland Technical News Sheet Beech Aust. No. 2 Issue 1, specifically drawing 05/F/101.\n\n**Who it affects**\nAnyone responsible for the airworthiness of the specified Beechcraft aircraft models.\n\n**Why it matters**\nAirworthiness directives are legally binding safety orders that override normal maintenance schedules. This directive addresses a specific safety defect or design flaw in the rudder's leading edge — likely to prevent structural failure, dangerous vibrations (flutter), or aerodynamic instability. The directive specified a compliance deadline of 1 September 1971."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-23-2-rudder-leading-edge","history":"/api/acts/ad-beech-23-2-rudder-leading-edge/history","analysis":"/api/acts/ad-beech-23-2-rudder-leading-edge/analysis","conflicts":"/api/acts/ad-beech-23-2-rudder-leading-edge/conflicts","importantCases":"/api/acts/ad-beech-23-2-rudder-leading-edge/important-cases","documents":"/api/acts/ad-beech-23-2-rudder-leading-edge/documents"}}