{"id":"F2006B08973","name":"AD/DHA-3/17 - Fuselage at Wing Rear Pickups - Modification","slug":"ad-dha-3-17-fuselage-at-wing-rear-pickups-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52572,"registerId":"commonwealth-F2006B08973-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHA-3/17 - Fuselage at Wing Rear Pickups - Modification","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-3/17 Fuselage at Wing Rear Pickups - Modification 4/58\n\nApplicability: All models.\n\n \n\nDocument: 1. DH TNS CT(A3) No. 105; or\n\n \n\n2. DH Modification DRO 96. Compliance: 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\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":1293},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope: mandating a specific structural modification for a single aircraft type (DHA-3 Drover). There is no evidence of scope creep beyond this specific airworthiness issue."},"complexity_factors":["Single sentence applicability ('All models')","No interpretation section or defined terms","Unconditional compliance requirement with immediate effect","Only two alternative technical reference documents specified"],"plain_english_summary":"**What this is:** An Airworthiness Directive (a mandatory safety order with legal force) issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations.\n\n**What it requires:** Owners and operators of **DHA-3 Drover aircraft** (a vintage Australian-built aeroplane) must carry out a structural modification to the **fuselage where the rear wings attach** (called the \"wing rear pickups\").\n\n**How to comply:** You must follow the instructions in either:\n*   DH TNS CT(A3) No. 105, **or**\n*   DH Modification DRO 96\n\n**When:** **Immediately** (the directive uses the term \"forthwith,\" which means without delay).\n\n**Who it affects:** Anyone operating or maintaining any model of the DHA-3 Drover series.\n\n**Why it matters:** This addresses a potential structural weakness or fatigue risk at a critical stress point where the wing connects to the aircraft body. Failure to comply could compromise flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dha-3-17-fuselage-at-wing-rear-pickups-modification","history":"/api/acts/ad-dha-3-17-fuselage-at-wing-rear-pickups-modification/history","analysis":"/api/acts/ad-dha-3-17-fuselage-at-wing-rear-pickups-modification/analysis","conflicts":"/api/acts/ad-dha-3-17-fuselage-at-wing-rear-pickups-modification/conflicts","importantCases":"/api/acts/ad-dha-3-17-fuselage-at-wing-rear-pickups-modification/important-cases","documents":"/api/acts/ad-dha-3-17-fuselage-at-wing-rear-pickups-modification/documents"}}