{"id":"F2005L01755","name":"AD/BELL 222/9 Amdt 1 - Engine Chip Detector Lights","slug":"ad-bell-222-9-amdt-1-engine-chip-detector-lights","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":35845,"registerId":"commonwealth-F2005L01755-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bell Helicopter Textron Canada (BHTC) 22","sectionType":"division","heading":"Bell Helicopter Textron Canada (BHTC) 222 Series Helicopters","content":"### Bell Helicopter Textron Canada (BHTC) 222 Series Helicopters\n\n| AD/BELL 222/9 Amdt 1 | Engine Chip Detector Lights | 8/2005 |\n| -------------------- | --------------------------- | ------ |\n\n| Applicability: | All Bell 222B and 222U Series helicopters.                                                                                                                                                                         |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Modify in accordance with FAA AD 87-13-01.Note: FAA AD 87-13-01 Amendment 39-5911 refers.                                                                                                                          |\n| Compliance:    | Within 10 hours time in service after the effective date of this AD.                                                                                                                                               |\n|                | This Amendment becomes effective on 4 August 2005.                                                                                                                                                                 |\n| Background:    | To detect and prevent a possible impending engine power turbine wheel burst, which could result in failure of the adjacent engine, severance of the tail rotor drive shaft, and subsequent loss of the helicopter. |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n18 June 2005","sortOrder":0},{"sectionNumber":"AD/BELL 222/9 Amdt 1","sectionType":"part","heading":"AD/BELL 222/9 Amdt 1","content":"## AD/BELL 222/9 Amdt 1","sortOrder":1},{"sectionNumber":"Engine Chip Detector Lights","sectionType":"part","heading":"Engine Chip Detector Lights","content":"## Engine Chip Detector Lights","sortOrder":2},{"sectionNumber":"8/2005","sectionType":"part","heading":"8/2005","content":"## 8/2005","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a narrow, technical safety directive focused specifically on engine chip detector modifications for two helicopter models. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (under 300 words)","Only 2 defined applicability categories (Bell 222B and 222U)","Single compliance requirement referencing external FAA document","No nested conditions, exceptions, or cross-references to other Australian legislation","Straightforward time-based compliance trigger (10 hours time in service)"],"plain_english_summary":"This CASA Airworthiness Directive makes installation or modification of engine oil chip-detector warning lights mandatory on Bell 222B/222U helicopters in Australia, adopting FAA AD 87‑13‑01. Owners/operators must complete the work within 10 flight hours after 4 August 2005. The fix ensures early warning of engine particle contamination that could otherwise lead to catastrophic engine failure and loss of the helicopter."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument imposes a mandatory modification to address the stated safety hazard (impending turbine-wheel burst) for the specified helicopter models. It does not indicate an expansion or narrowing of applicability beyond Bell 222B and 222U helicopters or otherwise alter the original safety objective."},"complexity_factors":["Narrow applicability — limited to Bell 222B and 222U series helicopters (reduces legal scope complexity).","External cross-reference — compliance requires obtaining and following FAA AD 87-13-01 (adds documentary and technical dependency).","Short compliance window — mandatory action within 10 hours time-in-service increases operational urgency and scheduling burden.","Prescriptive but non-technical text — the AD mandates modification without detailing procedures, so implementers must rely on the FAA AD for technical steps.","Administrative dates — effective date (4 August 2005) and signature date (18 June 2005) require operators to track regulatory timing.","Cost and logistical responsibility fall on operators — financial and operational impact concentrated on aircraft owners/operators."],"plain_english_summary":"Requires all Bell 222B and 222U helicopters to be modified, following FAA AD 87-13-01, to improve engine chip detector lights so they warn of an impending power-turbine-wheel burst. Operators must complete that modification within 10 hours time-in-service after this AD takes effect (effective 4 August 2005).\n\nThe operator pays for and arranges the work and must obtain and follow the FAA AD's technical instructions to comply within the short timeframe."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-222-9-amdt-1-engine-chip-detector-lights","history":"/api/acts/ad-bell-222-9-amdt-1-engine-chip-detector-lights/history","analysis":"/api/acts/ad-bell-222-9-amdt-1-engine-chip-detector-lights/analysis","conflicts":"/api/acts/ad-bell-222-9-amdt-1-engine-chip-detector-lights/conflicts","importantCases":"/api/acts/ad-bell-222-9-amdt-1-engine-chip-detector-lights/important-cases","documents":"/api/acts/ad-bell-222-9-amdt-1-engine-chip-detector-lights/documents"}}