{"id":"F2006B10586","name":"AD/HU 269/11 Amdt 3 - Main Rotor Blade - Inspection","slug":"ad-hu-269-11-amdt-3-main-rotor-blade-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116435,"registerId":"commonwealth-F2006B10586-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HU 269/11 Amdt 3 - Main Rotor Blade - Inspection","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)  Schweizer (Hughes) 269 Series Helicopters\n\n \n\nAD/HU 269/11\n\nAmdt 3\n\n\nMain Rotor Blade - Inspection 10/72\n\n \n\nApplicability: Models 269A and 269B.\n\n \n\nDocument: Hughes SIN No. N-10.2 dated 7 August 1972.\n\n \n\nCompliance: At intervals not exceeding 25 hours time in service after 31 October 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":2054},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"Although this is Amendment 3, the content remains tightly focused on the original purpose: mandating recurring inspections of main rotor blades for the specified Hughes/Schweizer 269 models. There is no evidence of scope expansion into unrelated aircraft systems or different helicopter types."},"complexity_factors":["Extremely narrow applicability (only two specific helicopter models)","Single, unambiguous maintenance task (blade inspection)","Straightforward recurring compliance interval (every 25 flight hours)","No defined terms, conditional exceptions, or cross-references to other legislative provisions"],"plain_english_summary":"This CASA Airworthiness Directive mandates recurring inspections of main rotor blades on Schweizer (Hughes) 269A and 269B helicopters. Following Hughes Service Information Notice N‑10.2 (Aug 1972), operators must inspect blades every 25 flight hours to detect cracks, damage or deterioration and prevent blade failure. It’s a continuing maintenance obligation for owners, operators and maintainers."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hu-269-11-amdt-3-main-rotor-blade-inspection","history":"/api/acts/ad-hu-269-11-amdt-3-main-rotor-blade-inspection/history","analysis":"/api/acts/ad-hu-269-11-amdt-3-main-rotor-blade-inspection/analysis","conflicts":"/api/acts/ad-hu-269-11-amdt-3-main-rotor-blade-inspection/conflicts","importantCases":"/api/acts/ad-hu-269-11-amdt-3-main-rotor-blade-inspection/important-cases","documents":"/api/acts/ad-hu-269-11-amdt-3-main-rotor-blade-inspection/documents"}}