{"id":"F2006B10247","name":"AD/GAZELLE/29 - Rotating Star","slug":"ad-gazelle-29-rotating-star","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55918,"registerId":"commonwealth-F2006B10247-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.001.png)\n\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 CASR 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\n![](image.001.png)  \n\nEurocopter SA341 and SA342 (Gazelle) Series Helicopters","sortOrder":0},{"sectionNumber":"AD/GAZELLE/29 Rotating Star 8/2004 DM","sectionType":"part","heading":"AD/GAZELLE/29 Rotating Star 8/2004 DM","content":"# AD/GAZELLE/29 Rotating Star 8/2004 DM\n\nApplicability: Model SA 341 G helicopters equipped with rotating star, part number 341A31.4116.21.\n\nRequirement: Retire the rotating star from service as specified in Eurocopter Master Servicing Recommendations (MSR) Chapter 5.99, Revision 15, dated 08/2003.\n\nNote: DGAC AD F-2004-070 refers.\n\nCompliance: Upon the accumulation of 12,000 flight hours.\n\nThis Airworthiness Directive becomes effective on 9 June 2004.\n\nBackground: The DGAC requires mandatory retirement of the rotating star at the new service life limit time specified in the Requirement document.\n\n![Signature of David Villiers](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 4 June 2004\n\n![](image.001.png)","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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD adopts the service‑life limit set out in Eurocopter MSR Chapter 5.99 Rev 15 and the DGAC requirement and confines the mandate to SA341G helicopters fitted with rotating star P/N 341A31.4116.21, retiring the part at 12,000 flight hours (Requirement; Applicability; Compliance; Background). It does not expand the population affected or alter the action required beyond that service‑life retirement."},"complexity_factors":["Narrow applicability to Model SA341G helicopters with rotating star P/N 341A31.4116.21 (Applicability) — limits who is affected, reducing complexity.","Clear compliance trigger of 12,000 flight hours (Compliance) — requires reliable flight-hour tracking and maintenance records.","Mandated action references an external manufacturer document: Eurocopter MSR Chapter 5.99 Rev 15 (Requirement) — operators must obtain and follow that MSR.","Legal authority and enforcement specified: CASA delegate under CASR subreg 39.1(1) (preamble/signature) — establishes enforceability but delegates implementation detail to CASA.","Cross-reference to DGAC AD F-2004-070 (Note/Background) — indicates international regulatory alignment which may affect interpretation.","Operational logistics implied (Requirement/Compliance) — retirement creates scheduling, procurement and maintenance resource burdens for operators."],"plain_english_summary":"This Airworthiness Directive requires operators of Eurocopter SA341G Gazelle helicopters fitted with rotating star P/N 341A31.4116.21 to remove (retire) that part once it reaches 12,000 flight hours, and to do so following Eurocopter Master Servicing Recommendations (MSR) Chapter 5.99 Revision 15 (08/2003). It affects owners/operators of the specified helicopters, who must plan and pay for the retirement and any replacement; CASA issues and enforces the directive under CASR subregulation 39.1(1)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope: mandating retirement of a single helicopter component at a specific service life. It has not expanded beyond this safety-critical maintenance requirement."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined applicability criterion (specific model + specific part number)","Single, unambiguous requirement with clear numeric compliance threshold (12,000 flight hours)","No nested exceptions, conditional logic, or cross-references to other legislation beyond a single note referencing the French authority's equivalent directive","No interpretation section or defined terms"],"plain_english_summary":"This AD mandates that Australian operators of Eurocopter SA 341 G Gazelle helicopters fitted with rotating star part 341A31.4116.21 permanently remove and replace that part once it reaches 12,000 flight hours. Issued off French DGAC and Eurocopter guidance, it enforces a new safety life limit because the part’s wear could lead to catastrophic failure, making timely replacement legally required for affected aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-gazelle-29-rotating-star","history":"/api/acts/ad-gazelle-29-rotating-star/history","analysis":"/api/acts/ad-gazelle-29-rotating-star/analysis","conflicts":"/api/acts/ad-gazelle-29-rotating-star/conflicts","importantCases":"/api/acts/ad-gazelle-29-rotating-star/important-cases","documents":"/api/acts/ad-gazelle-29-rotating-star/documents"}}