{"id":"F2006B04560","name":"AD/BELL 212/29 - Emergency Flotation Installation Manual Actuation System - Modification and Rerigging","slug":"ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114290,"registerId":"commonwealth-F2006B04560-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 212/29 - Emergency Flotation Installation Manual Actuation System - Modification and Rerigging","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 212 Series Helicopters\n\n \n\nAD/BELL 212/29 Emergency Flotation Installation Manual\n\nActuation System - Modification and Rerigging\n\n\n12/81\n\n \n\nApplicability: All models 212 helicopters equipped with emergency flotation system, Kit 212-706- 042 that were delivered prior to October 1, 1981.\n\n \n\nDocument: Bell Textron Alert SB No. 212-81-24.\n\n \n\nCompliance: Unless already accomplished, within 25 hours time in service after 6 November, 1981.\n\n \n\nBackground: During tests by the manufacturer, several instances have occurred where the floats did not inflate after the manual inflation handle was pulled.\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1810},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope addressing a specific mechanical defect in emergency flotation systems for a defined subset of Bell 212 helicopters."},"complexity_factors":["Narrow applicability limited to specific aircraft model (Bell 212) and specific flotation kit configuration (Kit 212-706-042 delivered before 1 October 1981)","Single external technical reference document (Bell Textron Alert SB No. 212-81-24)","Straightforward compliance deadline based on accumulated flight hours after a fixed date","No conditional exceptions, defined terms section, or nested legislative provisions"],"plain_english_summary":"**What this does:** This directive orders operators of specific Bell 212 helicopters to fix a dangerous fault in their emergency flotation systems—the equipment designed to keep the helicopter afloat if it lands on water.\n\n**Who it affects:** Owners and operators of Bell 212 helicopters equipped with emergency flotation Kit 212-706-042 that were delivered before 1 October 1981.\n\n**What must be done:** The helicopter's emergency flotation manual actuation system must be modified and re-rigged (reconfigured) according to the manufacturer's instructions in Bell Textron Alert Service Bulletin No. 212-81-24.\n\n**Why it matters:** Testing found that the manual inflation handle sometimes fails to deploy the floats when pulled. In a water emergency, this defect could prevent the helicopter from floating, endangering everyone on board.\n\n**Compliance requirement:** The work had to be completed within 25 hours of flight time after 6 November 1981 (unless already accomplished)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging","history":"/api/acts/ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging/history","analysis":"/api/acts/ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging/analysis","conflicts":"/api/acts/ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging/conflicts","importantCases":"/api/acts/ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging/important-cases","documents":"/api/acts/ad-bell-212-29-emergency-flotation-installation-manual-actuation-system-modification-and-rerigging/documents"}}