{"id":"F2006B05008","name":"AD/CESSNA 177/13 - Front Seat Restraint Installations","slug":"ad-cessna-177-13-front-seat-restraint-installations","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44918,"registerId":"commonwealth-F2006B05008-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 177/13 - Front Seat Restraint Installations","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 177 Series Aeroplanes\n\n \n\nAD/CESSNA 177/13 Front Seat Restraint Installations 10/71\n\nApplicability: All models.\n\n \n\nRequirement: Modify front seat restraint installations 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":1660},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains its original narrow technical scope. It was issued specifically to mandate front seat safety harness installations in Cessna 177 aircraft and has not expanded beyond this single safety purpose."},"complexity_factors":["Single requirement spanning one sentence","No defined terms or interpretation section","No cross-references to other legislation or regulations","Flat structure with no exceptions, exemptions, or conditional logic","Single, absolute compliance deadline"],"plain_english_summary":"This directive orders owners and operators of Cessna 177 series aircraft to install **safety harnesses** (seatbelts with shoulder straps) in the front seats. The work must be done according to a plan approved by the **Secretary** (the senior government official responsible for aviation safety at the time).\n\n**Who it affects:** All Cessna 177 model aeroplanes.\n\n**What you must do:** Modify the front seats to include proper restraint harnesses instead of basic lap belts.\n\n**Deadline:** Before 1 September 1972.\n\nThis was a mandatory safety upgrade designed to protect pilots and passengers from serious injury during crashes or sudden deceleration."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-177-13-front-seat-restraint-installations","history":"/api/acts/ad-cessna-177-13-front-seat-restraint-installations/history","analysis":"/api/acts/ad-cessna-177-13-front-seat-restraint-installations/analysis","conflicts":"/api/acts/ad-cessna-177-13-front-seat-restraint-installations/conflicts","importantCases":"/api/acts/ad-cessna-177-13-front-seat-restraint-installations/important-cases","documents":"/api/acts/ad-cessna-177-13-front-seat-restraint-installations/documents"}}