{"id":"F2006B08873","name":"AD/DH 104/30 - Front Seat Restraint Installation - Modification","slug":"ad-dh-104-30-front-seat-restraint-installation-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52296,"registerId":"commonwealth-F2006B08873-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DH 104/30 - Front Seat Restraint Installation - 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)  DH 104 (Dove) Series Aeroplanes\n\n \n\nAD/DH 104/30 Front Seat Restraint Installation - Modification 9/72\n\nApplicability: All models.\n\n \n\nRequirement: Modify each front seat restraint installation by fitting a safety harness in accordance with a scheme approved by the Secretary.\n\n \n\nNote: Guidelines for installation schemes are outlined in Airworthiness Advisory Circular No. 62 dated March 1972.\n\n \n\nCompliance: Before 1 October 1973.\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":1496},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains focused on its original narrow purpose: mandating safety harness installation for a specific aircraft type. No scope creep detected."},"complexity_factors":["Single-page document with one clear operational requirement","No nested conditions, exceptions, or procedural sub-steps","Minimal cross-referencing (only mentions general approval authority and a non-binding advisory circular)","Plain language directive with no technical legal definitions required"],"plain_english_summary":"Owners/operators of De Havilland DH 104 \"Dove\" aircraft were required to install front‑seat safety harnesses (shoulder straps) to prevent occupants being thrown forward in a crash. Compliance required fitting the harnesses to an installation plan approved by the Secretary (now CASA); advisory guidance was in AC No. 62 (Mar 1972). This historic directive aimed to reduce serious injury or death."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dh-104-30-front-seat-restraint-installation-modification","history":"/api/acts/ad-dh-104-30-front-seat-restraint-installation-modification/history","analysis":"/api/acts/ad-dh-104-30-front-seat-restraint-installation-modification/analysis","conflicts":"/api/acts/ad-dh-104-30-front-seat-restraint-installation-modification/conflicts","importantCases":"/api/acts/ad-dh-104-30-front-seat-restraint-installation-modification/important-cases","documents":"/api/acts/ad-dh-104-30-front-seat-restraint-installation-modification/documents"}}