{"id":"F2006B04473","name":"AD/BELL 206/18 - Console Access Panel Attachment Screws - Replacement","slug":"ad-bell-206-18-console-access-panel-attachment-screws-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44310,"registerId":"commonwealth-F2006B04473-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 206/18 - Console Access Panel Attachment Screws - Replacement","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 Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\n \n\nAD/BELL 206/18 Console Access Panel Attachment\n\nScrews - Replacement\n\n\n7/69\n\n \n\nApplicability: All model AB-206A and 206A with S/Nos. referenced in requirement document. Document:               Bell SL No. 206A-120.\n\nCompliance: Within 50 hours time in service after 13 June 1969. Background: AD/Agusta 206/9 equivalent.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue airworthiness directive focused solely on screw replacement for specific helicopter models. It has not expanded beyond its original narrow technical purpose."},"complexity_factors":["Extremely short document (approximately 100 words)","Only 2 defined applicability criteria (model numbers and serial numbers)","Single compliance requirement with clear deadline","No nested exceptions or conditional logic","Single external reference to manufacturer service letter","No interpretative provisions or definitions section"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It requires owners and operators of specific Bell and Agusta-Bell helicopter models to replace certain screws that attach the console access panel.\n\n**What it does:**\n- Mandates replacement of attachment screws on the console access panel for affected helicopters\n- References a specific Bell Service Letter (SL No. 206A-120) that contains the detailed instructions\n\n**Who it affects:**\n- Owners and operators of:\n  - AB-206A model helicopters\n  - 206A model helicopters with specific serial numbers (listed in the referenced service letter)\n\n**When it must be done:**\n- Within 50 hours of flight time after 13 June 1969\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety instructions. Failure to comply means the aircraft cannot be flown legally. This particular directive addresses a potential safety issue with console access panel screws — likely due to risk of failure, loss, or inadequate original specifications that could affect flight safety or maintenance access.\n\n**Note on dating:** Despite the \"AD/BELL 206/18\" designation suggesting 2018, the compliance date of 13 June 1969 indicates this is a historical directive, likely reissued or renumbered in a consolidated register."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Based on the text provided, the directive implements a targeted mechanical requirement (replacement of console access panel attachment screws) for aircraft listed by serial number and references an existing Bell service letter. The directive states it is equivalent to an earlier Agusta AD (Background). There is no language in the provided text indicating an expansion or narrowing of scope beyond that original mechanical correction."},"complexity_factors":["Narrow technical scope (specific screw replacement on defined helicopter models and serial numbers)","Fixed, short compliance window (50 hours TIS after 13 June 1969) requiring prompt scheduling","Need to locate and interpret the referenced Bell Service Letter No. 206A-120 for procedural detail","Administrative tasks: identifying affected serial numbers and recording maintenance completion","Operational logistics: parts availability and scheduling with maintenance provider"],"plain_english_summary":"This directive mandates replacing console access‑panel attachment screws on specified Bell/Agusta 206A helicopters, to be done per Bell Service Letter No. 206A‑120 within 50 flight hours after 13 June 1969. Affected owners/operators must arrange and pay for the work (parts, labour, downtime); compliance preserves airworthiness and avoids regulatory enforcement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-18-console-access-panel-attachment-screws-replacement","history":"/api/acts/ad-bell-206-18-console-access-panel-attachment-screws-replacement/history","analysis":"/api/acts/ad-bell-206-18-console-access-panel-attachment-screws-replacement/analysis","conflicts":"/api/acts/ad-bell-206-18-console-access-panel-attachment-screws-replacement/conflicts","importantCases":"/api/acts/ad-bell-206-18-console-access-panel-attachment-screws-replacement/important-cases","documents":"/api/acts/ad-bell-206-18-console-access-panel-attachment-screws-replacement/documents"}}