{"id":"F2006B04361","name":"AD/BELL 205/2 - Tail Rotor Yoke - Inspection","slug":"ad-bell-205-2-tail-rotor-yoke-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44181,"registerId":"commonwealth-F2006B04361-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 205/2 - Tail Rotor Yoke - 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\nBell Helicopter Textron 205 Series Helicopters\n\n \n\nAD/BELL 205/2 Tail Rotor Yoke - Inspection 9/68\n\nApplicability: All 205A models fitted with tail rotor yoke P/N 204-010-781-5 or 204-010-781-9.\n\n \n\nRequirement: Inspect yoke assembly P/N 204-010-781-5 or 204-010-781-9 by magnetic particle method with particular emphasis on the threaded portion of the yoke spindle.\n\nMaximum amperage 1400 amps. DC or 1100 amps. AC. Do not exceed 4200 ampere turns.\n\n \n\nCompliance: At intervals not exceeding 100 hours time in service, after 1 September 1971.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1781},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope—a targeted safety inspection for specific tail rotor components on defined helicopter models. No expansion beyond the original airworthiness safety purpose."},"complexity_factors":["Single, specific requirement with narrow applicability (only two part numbers)","Technical measurement specifications requiring specialized non-destructive testing knowledge (ampere turns, magnetic particle inspection)","Minimal cross-references or conditional logic—straightforward command structure"],"plain_english_summary":"Operators of Bell 205A helicopters with tail rotor yokes PN 204-010-781-5 or -9 must perform mandatory magnetic-particle inspections of the yoke spindle’s threaded portion to detect cracks. Tests must respect electrical limits (≤1,400 A DC or ≤1,100 A AC and ≤4,200 ampere-turns). Inspections recur every 100 flight hours beginning 1 September 1971. This reduces risk of tail-rotor failure from fatigue and potential loss of control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-205-2-tail-rotor-yoke-inspection","history":"/api/acts/ad-bell-205-2-tail-rotor-yoke-inspection/history","analysis":"/api/acts/ad-bell-205-2-tail-rotor-yoke-inspection/analysis","conflicts":"/api/acts/ad-bell-205-2-tail-rotor-yoke-inspection/conflicts","importantCases":"/api/acts/ad-bell-205-2-tail-rotor-yoke-inspection/important-cases","documents":"/api/acts/ad-bell-205-2-tail-rotor-yoke-inspection/documents"}}