{"id":"F2006B04332","name":"AD/BELL 204/29 - Emergency Exit Latch Pin","slug":"ad-bell-204-29-emergency-exit-latch-pin","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44147,"registerId":"commonwealth-F2006B04332-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\n![](image.002.png)  \nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.","sortOrder":0},{"sectionNumber":"AD/BELL 204/29 Emergency Exit Latch Pin ","sectionType":"part","heading":"AD/BELL 204/29 Emergency Exit Latch Pin 8/2000","content":"# AD/BELL 204/29 Emergency Exit Latch Pin 8/2000\n\nApplicability: Model 204B.\n\nRequirement: Comply with the technical requirements of FAA AD 77-17-05.\n\nCompliance: Inspect and modify before the initial issue of an Australian CofA, and then inspect at intervals not exceeding 300 hours time in service.\n\nThis Airworthiness Directive becomes effective on 10 August 2000.\n\nBackground: This directive is issued to assure that emergency exit latch pin is engaged and to provide inspection holes for each exit retractable pin. It also follows the re- introduction of the AD Series after sixteen years.\n\n![](image.003.png)  \n\nDavid Alan Villiers\n\nDelegate of the Civil Aviation Safety Authority 6 July 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 12 July 2000.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope — addressing a specific mechanical defect in a single helicopter model. The background note about re-introducing the AD Series after 16 years is administrative context, not a substantive expansion of regulatory scope."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term implicitly referenced (Model 204B)","Simple conditional structure: one applicability criterion, one requirement, one compliance deadline","No nested exceptions or cross-references to other Australian legislation beyond the enabling regulation (CAR 1998 subreg 39.1(1))","Delegates technical requirements to external FAA document rather than reproducing them","Single compliance pathway with clear timing (before CofA + recurring 300-hour intervals)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators and maintenance personnel of Bell Model 204B helicopters in Australia to inspect and modify the emergency exit latch pin (adding inspection holes) so engagement can be visually verified. The work must be done before the helicopter’s first Australian Certificate of Airworthiness and repeated every 300 flight hours.\n\nIt adopts FAA AD 77-17-05 to ensure reliable emergency-exit operation and marked the restart of Australia’s AD system."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive does not expand or narrow applicability beyond Model 204B. It adopts the FAA AD 77-17-05 technical requirements and sets initial and recurring inspection timing. The Background notes re‑introduction of the AD Series after sixteen years but the substance applies to the same aircraft class and latch-pin issue described in the AD."},"complexity_factors":["Cross-reference to FAA AD 77-17-05 — requires obtaining and following an external technical document (Requirement: \"Comply with the technical requirements of FAA AD 77-17-05\").","Dual-timing compliance — action required before initial Australian CofA and then recurring inspections at intervals not exceeding 300 hours (Compliance: \"Inspect and modify before the initial issue of an Australian CofA, and then inspect at intervals not exceeding 300 hours time in service\").","Specific applicability — limited to Model 204B, so applicability is narrow but must be checked by operators (Applicability: \"Model 204B\").","Technical work unspecified in the AD text — the AD delegates technical detail to the referenced FAA AD, creating implementation dependence on that document (Requirement: reference to FAA AD).","Enforcement and delegated discretion — issued by the CASA delegate under CAR 1998 subregulation 39.1(1), placing decision and oversight with CASA (Introductory paragraph; signature block)."],"plain_english_summary":"This Airworthiness Directive requires Bell Model 204B operators to inspect and modify emergency exit latch pins in accordance with FAA AD 77‑17‑05, before issuing an Australian Certificate of Airworthiness and then at intervals not exceeding 300 hours time in service. It is issued to ensure latch pins are engaged and to provide inspection holes for each exit retractable pin (Background). Aircraft owners/operators must arrange and pay for the work; compliance is enforced by the CASA delegate under CAR 1998 subregulation 39.1(1)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-204-29-emergency-exit-latch-pin","history":"/api/acts/ad-bell-204-29-emergency-exit-latch-pin/history","analysis":"/api/acts/ad-bell-204-29-emergency-exit-latch-pin/analysis","conflicts":"/api/acts/ad-bell-204-29-emergency-exit-latch-pin/conflicts","importantCases":"/api/acts/ad-bell-204-29-emergency-exit-latch-pin/important-cases","documents":"/api/acts/ad-bell-204-29-emergency-exit-latch-pin/documents"}}