{"id":"F2006B08762","name":"AD/DAUPHIN/50 Amdt 1 - Enlarged Sliding Doors - Window","slug":"ad-dauphin-50-amdt-1-enlarged-sliding-doors-window","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52038,"registerId":"commonwealth-F2006B08762-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DAUPHIN/50 Amdt 1 - Enlarged Sliding Doors - Window","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \n![](image.002.png)  \nEurocopter SA 360 and SA 365 (Dauphin) Series Helicopters\n\nAIRWORTHINESS 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 revokes Airworthiness Directive (AD) AD/DAUPHIN/50 and issues the following 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.\n\nAD/DAUPHIN/50\n\nAmdt 1\n\n  \nEnlarged Sliding Doors \\- Window 9/2000\n\nApplicability: Models AS 365 N, N1, N2, N3 Series with enlarged sliding doors. Requirement: Action in accordance with Eurocopter AS365N SB No. 01.00.49.\n\nNote: DGAC 1999-459-049(A)R1 refers.\n\nCompliance: Within 10 hours time in service after the initial effective date of this Directive.\n\nThis Amendment becomes effective on 7 September 2000.\n\nBackground: This Directive is issued to preclude loss of any incorrectly installed window which may collide with the main rotor blades.\n\nAmendment 1 is to reference the final DGAC AD reference, no further work is required.\n\nThe original issue of this Airworthiness Directive became effective on 30 December 1999.\n\n![Signature of David Alan Villiers Delegate of the Civil Aviation Safety Authority](image.003.png)  \n\nDavid Alan Villiers\n\nDelegate of the Civil Aviation Safety Authority 27 July 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 9 August 2000.","sortOrder":0}],"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"},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Amendment 1 does not change operational scope or add obligations. The instrument states: 'Amendment 1 is to reference the final DGAC AD reference, no further work is required.' The original AD requirement and 10-hour compliance time remain in force, so the set of affected aircraft and required actions are unchanged."},"complexity_factors":["Narrow applicability: limited to Models AS 365 N, N1, N2, N3 with enlarged sliding doors (Applicability).","Mandated technical action: directs compliance with Eurocopter AS365N SB No. 01.00.49 rather than setting out detailed steps in the AD (Requirement).","Short compliance window: requires action within 10 hours time in service after the AD's initial effective date (Compliance).","Safety-critical consequence: prevention of window loss that could strike main rotor blades (Background).","Administrative amendment only: Amendment 1 only updates the DGAC reference and expressly states no further work is required (Background / Amendment 1).","Revocation/reissue: the AD revokes the earlier AD and reissues the requirement under CAR 1998 subregulation 39.1(1) (Introductory text)."],"plain_english_summary":"This Airworthiness Directive requires operators of Eurocopter AS365 N-series helicopters fitted with enlarged sliding doors to carry out the inspection/rectification steps set out in Eurocopter AS365N Service Bulletin No. 01.00.49. Compliance is mandatory within 10 hours time-in-service to prevent an incorrectly installed window from detaching and hitting the main rotor. Amendment 1 only updates the referenced DGAC advisory; it does not add new work.\n\nIt affects owners, operators and maintenance organisations of the specified aircraft by imposing a short-term mandatory maintenance action."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The amendment maintains identical scope to the original 1999 directive. The only change is an administrative update to reference the final French DGAC directive number. The background explicitly states 'no further work is required,' confirming no expansion of scope."},"complexity_factors":["Single, clearly defined applicability (4 specific helicopter models with one modification)","Only one substantive requirement referencing an external technical document (Eurocopter service bulletin)","Simple compliance timeframe (10 hours time in service)","No defined terms section, no nested conditions, no cross-references to other legislation beyond the service bulletin","Straightforward amendment purpose (administrative reference update only)","Total length: approximately 250 words of operative text"],"plain_english_summary":"This safety order replaces an earlier directive and requires operators of AS365 N/N1/N2/N3 Dauphin helicopters with enlarged sliding door windows to inspect/rectify installations in accordance with Eurocopter SB No. 01.00.49, within 10 flying hours of 7 Sept 2000. It prevents windows detaching and striking main rotor blades. The amendment only updates the DGAC reference number; no additional work if you already complied."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dauphin-50-amdt-1-enlarged-sliding-doors-window","history":"/api/acts/ad-dauphin-50-amdt-1-enlarged-sliding-doors-window/history","analysis":"/api/acts/ad-dauphin-50-amdt-1-enlarged-sliding-doors-window/analysis","conflicts":"/api/acts/ad-dauphin-50-amdt-1-enlarged-sliding-doors-window/conflicts","importantCases":"/api/acts/ad-dauphin-50-amdt-1-enlarged-sliding-doors-window/important-cases","documents":"/api/acts/ad-dauphin-50-amdt-1-enlarged-sliding-doors-window/documents"}}