{"id":"F2006B08977","name":"AD/DHA-3/20 - Wing Rib No. 5 - Inspection","slug":"ad-dha-3-20-wing-rib-no-5-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52585,"registerId":"commonwealth-F2006B08977-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHA-3/20 - Wing Rib No. 5 - Inspection","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)  DHA-3 (Drover) Series Aeroplanes\n\n \n\nAD/DHA-3/20 Wing Rib No. 5 - Inspection 7/58\n\nApplicability: All models.\n\n \n\nDocument: DH TNS CT(A3) No. 109.\n\n \n\nCompliance: At intervals not exceeding 12 months.\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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2848},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope concerning the inspection of a specific structural component (Wing Rib No. 5) on a specific aircraft type (DHA-3 Drover). There is no indication of scope creep or expansion beyond the original aviation safety purpose."},"complexity_factors":["Extremely brief text (approximately 50 words of operative content)","Single, unambiguous compliance requirement (recurring visual or structural inspection)","No defined terms, interpretation provisions, or legal jargon","No conditional logic, exceptions, or nested legislative clauses","Technical details incorporated by reference to external document rather than included in the legislative text"],"plain_english_summary":"**What this is:** An Airworthiness Directive (a mandatory safety rule issued by the aviation regulator) requiring regular checks of a specific structural part on DHA-3 Drover aeroplanes.\n\n**Who it affects:** Owners and operators of all model variants of the DHA-3 Drover aircraft (a type of small Australian-made transport plane).\n\n**What it requires:**\n- **Inspection target:** Wing Rib No. 5 (an internal structural component of the wing)\n- **How often:** At least once every 12 months (or more frequently if the aircraft manufacturer or operator determines it necessary)\n- **How to do it:** Follow the technical instructions in document **DH TNS CT(A3) No. 109** (a manufacturer technical note that provides the actual inspection steps)\n\n**Why it matters:** This ensures the wing structure remains airworthy and safe to fly, preventing potential structural failures due to fatigue, corrosion, or damage in this critical load-bearing component."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dha-3-20-wing-rib-no-5-inspection","history":"/api/acts/ad-dha-3-20-wing-rib-no-5-inspection/history","analysis":"/api/acts/ad-dha-3-20-wing-rib-no-5-inspection/analysis","conflicts":"/api/acts/ad-dha-3-20-wing-rib-no-5-inspection/conflicts","importantCases":"/api/acts/ad-dha-3-20-wing-rib-no-5-inspection/important-cases","documents":"/api/acts/ad-dha-3-20-wing-rib-no-5-inspection/documents"}}