{"id":"F2006B04368","name":"AD/BELL 205/3 - Main Rotor Blade - Modification","slug":"ad-bell-205-3-main-rotor-blade-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44192,"registerId":"commonwealth-F2006B04368-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 205/3 - Main Rotor Blade - 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\nBell Helicopter Textron 205 Series Helicopters\n\n \n\nAD/BELL 205/3 Main Rotor Blade - Modification 11/68\n\nApplicability: All model 205A. Document: Bell SL No. 205A-8.\n\nCompliance: Within 100 hours time in service after 14 February 1969 for blades in service at that date. Before installation on an aircraft for all other blades.\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1534},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose: mandating a specific hardware modification for one helicopter model's rotor system. No expansion beyond the original safety imperative."},"complexity_factors":["Extremely concise (under 80 words of operative text)","Single applicability criterion (Bell model 205A only)","Binary compliance condition (already flying vs new parts)","No defined terms, no cross-references to other legislation","Only one external technical document referenced"],"plain_english_summary":"**What this does:** This is a compulsory safety order (an Airworthiness Directive) for anyone operating Bell 205A helicopters. It mandates a specific fix for the main rotor blades.\n\n**What you must do:** Modify the main rotor blades exactly as described in Bell Service Letter No. 205A-8.\n\n**When you must do it:**\n- **For blades already in use:** Within 100 flight hours after 14 February 1969\n- **For new or spare blades:** Before bolting them onto any helicopter\n\n**Why it matters:** This prevents the main rotor blades from potentially failing in flight, which could cause a crash."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-205-3-main-rotor-blade-modification","history":"/api/acts/ad-bell-205-3-main-rotor-blade-modification/history","analysis":"/api/acts/ad-bell-205-3-main-rotor-blade-modification/analysis","conflicts":"/api/acts/ad-bell-205-3-main-rotor-blade-modification/conflicts","importantCases":"/api/acts/ad-bell-205-3-main-rotor-blade-modification/important-cases","documents":"/api/acts/ad-bell-205-3-main-rotor-blade-modification/documents"}}