{"id":"F2006B04623","name":"AD/BELL 222/8 Amdt 1 - Emergency Flotation System and Squib Valve","slug":"ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44375,"registerId":"commonwealth-F2006B04623-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 222/8 Amdt 1 - Emergency Flotation System and Squib Valve","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBell Helicopter Textron Canada (BHTC) 222 Series Helicopters\n\nAD/BELL 222/8\n\nAmdt 1\n\n  \nEmergency Flotation System and Squib Valve 5/87\n\nApplicability: All model 222U Helicopters S/No 47501 to 47549 fitted with Emergency Flotation Kit P/No 222-706-093-117 or \\-123 and all model 222/222B Helicopters S/No 47008 to 47089 fitted with Emergency Flotation Kit P/N 222-706-093-115 or -121.\n\nRequirement: Action in accordance with Bell Alert Service Bulletin No. 222U-87-16 or 222-87-41.\n\nCompliance: Within 500 hours time in service after 7 May 1987 or before 31 July 1987 whichever occurs first.\n\nNote: Compliance with the previous issue of this Directive does not constitute compliance with this issue.\n\nBackground: The failure of an emergency flotation squib valve assembly has shown the possibility of a valve assembly failure during the pressure reservoir discharge. This Directive has been amended to conform with the latest Bell Alert Service Bulletin.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1613},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"This amendment updates the original Airworthiness Directive to conform with the latest manufacturer service bulletin. It explicitly voids compliance with the previous issue, effectively expanding the scope by requiring additional or different safety actions than the original version mandated."},"complexity_factors":["Multiple overlapping applicability criteria requiring precise matching of aircraft model, serial number ranges, and installed equipment part numbers","Requirements incorporated by reference to external technical documents (Bell Alert Service Bulletins) rather than stated within the directive itself","Dual-track compliance deadline (flight hours vs. hard calendar date) with 'whichever occurs first' logic","Amendment structure that explicitly nullifies previous compliance, creating a replacement obligation"],"plain_english_summary":"This directive requires owners/operators of specified Bell 222 series helicopters to correct a potentially deadly failure of the emergency flotation system squib valve, which can prevent inflation and cause sinking. It applies to Bell 222U (S/N 47501–47549) with kits P/N 222-706-093-117 or -123, and Bell 222/222B (S/N 47008–47089) with kits P/N 222-706-093-115 or -121.\n\nRepairs/inspections must follow Bell Alert Service Bulletin No. 222U-87-16 or No. 222-87-41 within 500 flight hours after 7 May 1987 or by 31 July 1987; prior compliance to an earlier version is not acceptable."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve","history":"/api/acts/ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve/history","analysis":"/api/acts/ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve/analysis","conflicts":"/api/acts/ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve/conflicts","importantCases":"/api/acts/ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve/important-cases","documents":"/api/acts/ad-bell-222-8-amdt-1-emergency-flotation-system-and-squib-valve/documents"}}