{"id":"F2006B06806","name":"AD/SC7/6 - Guards at Rear of Pilots Seats - Installation","slug":"ad-sc7-6-guards-at-rear-of-pilots-seats-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114666,"registerId":"commonwealth-F2006B06806-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SC7/6 - Guards at Rear of Pilots Seats - 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)  Short SC7 (Skyvan) Series Aeroplanes\n\n \n\nAD/SC7/6 Guards at Rear of Pilots’ Seats - Installation 7/71\n\nApplicability:  All models. Document: Shorts SB No. 25-56.\n\nCompliance: Within 100 hours time in service after 30 July 1971 or before 30 September 1971 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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1298},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains strictly limited to its original purpose: mandating a specific physical safety modification (rear seat guards) for Short SC7 aircraft. There is no evidence of scope expansion or mission creep beyond this narrow technical installation requirement."},"complexity_factors":["Extremely short document (under 100 words)","Single, unambiguous requirement (install guards)","No defined terms or interpretation sections","Clear, singular compliance deadline with simple alternative date","No cross-references to other legislative provisions","Narrow applicability (single aircraft type only)"],"plain_english_summary":"This is a **safety order** (called an Airworthiness Directive) requiring owners and operators of **Short SC7 Skyvan aircraft** (a boxy, twin-engine transport plane) to install protective guards behind the pilots' seats.\n\n**What you must do:**\nInstall guards at the rear of the pilots' seats following the manufacturer's technical instructions (Shorts Service Bulletin No. 25-56).\n\n**Deadline:**\nComplete the installation within 100 hours of flight time after 30 July 1971, or before 30 September 1971 — whichever happens first.\n\n**Who this affects:**\nAnyone operating any model of Short SC7 Skyvan aircraft in Australia.\n\n**Why this matters:**\nThe guards protect pilots from injury during flight operations, likely from items or movement in the cabin behind them."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sc7-6-guards-at-rear-of-pilots-seats-installation","history":"/api/acts/ad-sc7-6-guards-at-rear-of-pilots-seats-installation/history","analysis":"/api/acts/ad-sc7-6-guards-at-rear-of-pilots-seats-installation/analysis","conflicts":"/api/acts/ad-sc7-6-guards-at-rear-of-pilots-seats-installation/conflicts","importantCases":"/api/acts/ad-sc7-6-guards-at-rear-of-pilots-seats-installation/important-cases","documents":"/api/acts/ad-sc7-6-guards-at-rear-of-pilots-seats-installation/documents"}}