{"id":"F2006B04544","name":"AD/BELL 206/97 Amdt 2 - Quick Disconnect Dual Controls","slug":"ad-bell-206-97-amdt-2-quick-disconnect-dual-controls","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114269,"registerId":"commonwealth-F2006B04544-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 206/97 Amdt 2 - Quick Disconnect Dual Controls","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\nBell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\nAD/BELL 206/97\n\nAmdt 2\n\n  \nQuick Disconnect Dual Controls 9/85\n\nApplicability: All model 206A/B and 206 B-JRIII helicopters prior to serial number 3851 and all model 206L, 206L-1 and 206L-3 helicopters prior to serial number 51126, equipped with quick disconnect dual controls.\n\nAll Agusta-Bell model AB 206A and AB 206B helicopters prior to serial number 8693, equipped with quick disconnect dual controls.\n\nRequirement: Document:\n\n    Bell Helicopter Textron Alert Service Bulletin 206-85-27 Rev.A.\n\n    2. Bell Helicopter Textron Alert Service Bulletin 206L-85-33 Rev.A. or 3. Agusta T.B. 206-166.\n\nCompliance: Within 100 hours time in service after 30 September 1985 or at the next scheduled inspection for maintenance release issue after 30 September 1985, whichever is the later.\n\nNote: Helicopters modified in accordance with the requirements of the original issue of this AD and found to have satisfactory clearance as required by Amdt 1 of this AD are acceptable as complying with this AD.\n\nBackground: An accident which occurred due to loss of cyclic control whilst the helicopter was being flown from the left hand (co-pilot) seat, has been associated to the quick disconnect cyclic stick being improperly installed where it attaches to the lever assembly under the co-pilot seat.\n\nAmdt 1 was issued to eliminate part interference between the gas producer tube and a rivet attaching the spring pin assembly.\n\nThis amendment has been issued to include Agusta-Bell model AB 206A and AB 206B model helicopters.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2570},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"This amendment expands coverage to include Agusta-Bell model AB 206A and AB 206B helicopters, extending the safety mandate beyond the originally targeted Bell Helicopter Textron Canada models to capture additional aircraft sharing the same defective control system design."},"complexity_factors":["Multiple external technical document references (three different manufacturer Service Bulletins)","Granular applicability based on specific serial number cutoffs across six helicopter variants","Grandfathering clause exempting aircraft already modified under previous directive versions","Technical aviation terminology requiring specialized knowledge (time in service, cyclic control, maintenance release)"],"plain_english_summary":"This safety order requires urgent inspection and repair of quick-disconnect dual controls on certain older Bell and Agusta‑Bell 206 series helicopters to prevent mid‑flight loss of cyclic control. It responds to a fatal crash caused by an improperly installed removable control stick that can detach.\n\nIt affects operators of specified pre‑serial‑number Bell 206/206L and Agusta‑Bell AB206 models and mandates compliance within 100 flight hours after 30 Sept 1985 or at the next scheduled check."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-97-amdt-2-quick-disconnect-dual-controls","history":"/api/acts/ad-bell-206-97-amdt-2-quick-disconnect-dual-controls/history","analysis":"/api/acts/ad-bell-206-97-amdt-2-quick-disconnect-dual-controls/analysis","conflicts":"/api/acts/ad-bell-206-97-amdt-2-quick-disconnect-dual-controls/conflicts","importantCases":"/api/acts/ad-bell-206-97-amdt-2-quick-disconnect-dual-controls/important-cases","documents":"/api/acts/ad-bell-206-97-amdt-2-quick-disconnect-dual-controls/documents"}}