{"id":"F2006B07080","name":"AD/SM-260/3 - Pilot Seat Stroke Limit Stops - Installation","slug":"ad-sm-260-3-pilot-seat-stroke-limit-stops-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48842,"registerId":"commonwealth-F2006B07080-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SM-260/3 - Pilot Seat Stroke Limit Stops - 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)  SIAI Marchetti 260 Series Aeroplanes\n\n \n\nAD/SM-260/3 Pilot Seat Stroke Limit Stops - Installation 12/71\n\nApplicability: All F260 series with S/Nos. 101 to 125, 2-26 to 2-32, 2-34 to 2-41, 2-43 to 2-46, 2-49,\n\n2-52 and 502.\n\n \n\nDocument: SIAI Marchetti SB No. 260B6.\n\n \n\nCompliance: Within 100 hours time in service after 29 January 1972, or 2 months, whichever occurs first.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\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":1696},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow technical scope—mandating a specific safety modification for a defined subset of aircraft. No expansion beyond the original seat safety requirement."},"complexity_factors":["Reference to external technical standard (Service Bulletin 260B6) without including the actual installation instructions","Applicability determined by specific serial number ranges requiring aircraft logbook verification","Dual-method compliance calculation (flight hours vs calendar time)"],"plain_english_summary":"This mandatory Airworthiness Directive requires owners of specified SIAI Marchetti F260 aircraft to fit mechanical stroke-limit stops to the pilot’s seat to prevent excessive fore-aft movement that could impair control. Affected serial numbers are listed; compliance is required per SIAI Marchetti Service Bulletin No. 260B6 within 100 flight hours or two months after 29 January 1972, whichever occurs first."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sm-260-3-pilot-seat-stroke-limit-stops-installation","history":"/api/acts/ad-sm-260-3-pilot-seat-stroke-limit-stops-installation/history","analysis":"/api/acts/ad-sm-260-3-pilot-seat-stroke-limit-stops-installation/analysis","conflicts":"/api/acts/ad-sm-260-3-pilot-seat-stroke-limit-stops-installation/conflicts","importantCases":"/api/acts/ad-sm-260-3-pilot-seat-stroke-limit-stops-installation/important-cases","documents":"/api/acts/ad-sm-260-3-pilot-seat-stroke-limit-stops-installation/documents"}}