{"id":"F2006B04358","name":"AD/BELL 205/16 - Fire Detection System - Audible Warning","slug":"ad-bell-205-16-fire-detection-system-audible-warning","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44176,"registerId":"commonwealth-F2006B04358-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 205/16 - Fire Detection System - Audible Warning","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\n![](image.001.png)  Bell Helicopter Textron 205 Series Helicopters\n\n \n\nAD/BELL 205/16 Fire Detection System - Audible Warning 11/73\n\nApplicability: All models.\n\n \n\nRequirement:  Modify the engine fire detection system to include an audible warning. The warning shall be unmistakable from any other audible warning and shall be capable of being manually silenced.\n\n \n\nCompliance: 1 January 1975.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1974},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains a narrow, specific scope focused solely on adding audible warnings to engine fire detection systems. There is no evidence of scope expansion into unrelated systems or aircraft types."},"complexity_factors":["Single, unambiguous operative requirement","No defined terms or interpretation section","No cross-references to other legislation or technical standards","No exceptions, exemptions, or conditional logic","Extremely short length (under 100 words of substantive text)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of Bell Helicopter Textron 205 series helicopters to modify engine fire detection systems to add a distinct, crew‑silenceable audible alarm. \n\nIt affects operators in roles like firefighting and emergency services and matters because a clear, different warning sound ensures pilots are immediately alerted to engine fires even when visually focused elsewhere, improving response time and safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning","history":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning/history","analysis":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning/analysis","conflicts":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning/conflicts","importantCases":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning/important-cases","documents":"/api/acts/ad-bell-205-16-fire-detection-system-audible-warning/documents"}}