{"id":"F2006B05386","name":"AD/PA-11/3 - Front Seat Restraint Installations - Modification","slug":"ad-pa-11-3-front-seat-restraint-installations-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45992,"registerId":"commonwealth-F2006B05386-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-11/3 - Front Seat Restraint Installations - 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)  Piper PA-11 (Cub) & J3 Series Aeroplanes\n\n \n\nAD/PA-11/3 Front Seat Restraint Installations - Modification NK\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":1330},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument establishes the original scope—a specific safety modification for specific aircraft types. There is no indication of expansion beyond the original intent to mandate front seat harnesses for the Piper PA-11 and J-3 series."},"complexity_factors":["Single paragraph of operative text","No defined terms or interpretation section","No cross-references to other legislative instruments","Single unconditional requirement with no exceptions or subordinate provisions","Specific, narrow applicability (two specific aircraft model series only)"],"plain_english_summary":"**What this does:** This is an aviation safety rule (an Airworthiness Directive) that mandates a specific safety upgrade for Piper PA-11 (Cub) and J-3 series aircraft.\n\n**The requirement:** Owners must modify the front seats by installing proper safety harnesses (seatbelts) according to a plan approved by the government.\n\n**Who it affects:** Anyone who owns or operates these specific light aircraft models.\n\n**Why it exists:** To protect pilots and front-seat passengers by replacing older, inadequate restraint systems with proper safety harnesses. Note that the compliance deadline was 1 September 1972—this is a historical directive that should already be complied with by any aircraft still in service."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-11-3-front-seat-restraint-installations-modification","history":"/api/acts/ad-pa-11-3-front-seat-restraint-installations-modification/history","analysis":"/api/acts/ad-pa-11-3-front-seat-restraint-installations-modification/analysis","conflicts":"/api/acts/ad-pa-11-3-front-seat-restraint-installations-modification/conflicts","importantCases":"/api/acts/ad-pa-11-3-front-seat-restraint-installations-modification/important-cases","documents":"/api/acts/ad-pa-11-3-front-seat-restraint-installations-modification/documents"}}