{"id":"F2006B04957","name":"AD/CESSNA 170/26 - Front Seat Restraint Installation","slug":"ad-cessna-170-26-front-seat-restraint-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44829,"registerId":"commonwealth-F2006B04957-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 170/26 - Front Seat Restraint Installation","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)  Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes\n\n \n\nAD/CESSNA 170/26 Front Seat Restraint Installation 10/71\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\nCompliance: Before 1 September 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":1652},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope regarding front seat restraint installation for specific Cessna models. There is no evidence of expansion beyond the original 1971 safety mandate."},"complexity_factors":["No defined terms or interpretation section","Single operative requirement without exceptions or conditions","No cross-references to other legislative provisions","Fixed compliance date with no variable triggers or alternative pathways"],"plain_english_summary":"This Airworthiness Directive mandates a safety upgrade for specific Cessna aircraft to better protect occupants during accidents.\n\n**Who this affects**\nOwners and operators of Cessna 170, 172, F172, FR172, and 175 series aeroplanes (all models).\n\n**What you must do**\nModify the front seat restraint installations by fitting proper safety harnesses (seatbelts). The installation must follow a design scheme approved by the Secretary (the government authority responsible for aviation safety).\n\n**When this had to be done**\nBefore 1 September 1972.\n\n**Why this matters**\nThis requirement reduces the risk of serious injury or death during accidents by ensuring front seat occupants have proper upper body restraint systems installed."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation","history":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation/history","analysis":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation/analysis","conflicts":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation/conflicts","importantCases":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation/important-cases","documents":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation/documents"}}