{"id":"F2006B09366","name":"AD/ECUREUIL/60 - NR Indicator Lighting","slug":"ad-ecureuil-60-nr-indicator-lighting","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53640,"registerId":"commonwealth-F2006B09366-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 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/ECUREUIL/60 “NR” Indicator Lighting 3","sectionType":"part","heading":"AD/ECUREUIL/60 “NR” Indicator Lighting 3/2000","content":"# AD/ECUREUIL/60 “NR” Indicator Lighting 3/2000\n\nApplicability: AS 350 B3 version helicopters, which do not incorporate MOD 072810 or any other approved modification, enabling full “NR” indicator lighting in the normal and emergency modes.\n\nRequirement: Install a lighting strip (eyebrow lights) on the “NR” indicator in accordance with Eurocopter AS 350 Mandatory Service Bulletin 33.00.17.\n\nNote: DGAC AD 1999-512-077(A) refers.\n\nCompliance: Before 30 April 2000.\n\nThis Airworthiness Directive becomes effective on 23 March 2000.\n\nBackground: This Directive ensures that the “NR” indicator is illuminated in both the normal and emergency modes.\n\n![Signature of Eugene Paul Holzapfel, Delegate of the Civil Aviation Safety Authority.](image.003.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 10 February 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 23 February 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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive implements the stated safety objective—ensure the 'NR' indicator lights in both normal and emergency modes—only for AS 350 B3 helicopters that lack MOD 072810 or an equivalent approved modification. It does not broaden applicability beyond that subset, nor add recurring obligations; it prescribes a one-time modification per Eurocopter SB 33.00.17 with a fixed compliance date."},"complexity_factors":["Narrow technical scope: applies only to AS 350 B3 helicopters without MOD 072810 or an equivalent approved modification (clear applicability, lowers administrative complexity).","Dependency on external technical document: installation must follow Eurocopter Mandatory Service Bulletin 33.00.17 (requires obtaining and following the bulletin).","Reference to 'any other approved modification' creates interpretive discretion about equivalence and approval status.","Fixed compliance deadline (30 April 2000) imposes scheduling and logistical constraints on operators.","Regulatory enforcement: issued under subregulation 39.1(1) of CAR 1998, so compliance is mandatory and subject to CASA oversight.","Cross-reference to foreign AD (DGAC AD 1999-512-077(A)) may require checking international certification records for equivalence."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of AS 350 B3 helicopters that do not have MOD 072810 (or another approved modification enabling full \"NR\" indicator lighting) to install an eyebrow lighting strip on the 'NR' (rotor-speed) indicator, following Eurocopter Mandatory Service Bulletin 33.00.17, so the indicator illuminates in both normal and emergency modes. Compliance was required by 30 April 2000; aircraft operators pay for and schedule the work, and CASA enforces compliance under subregulation 39.1(1) of CAR 1998."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a specific, targeted safety directive addressing a single technical issue (instrument lighting) on a specific helicopter model. It has not expanded beyond its original narrow purpose."},"complexity_factors":["Very short document (under 300 words)","Only 3 operative sections: Applicability, Requirement, and Compliance","Single, unambiguous action required (install lighting strip)","No defined terms section","No cross-references to other legislation (only references a service bulletin and a French aviation directive for context)","Clear, fixed compliance date with no conditional triggers or exceptions"],"plain_english_summary":"This is a safety order for specific helicopters. **What it does:** It requires owners of certain Eurocopter AS 350 B3 helicopters to install extra lighting (called \"eyebrow lights\") on the rotor speed indicator (the \"NR\" gauge) by 30 April 2000. **Who it affects:** Operators of AS 350 B3 helicopters that haven't already been modified to fix this lighting issue. **Why it matters:** The rotor speed indicator needs to be visible in both normal flying and emergency situations. Without proper lighting, pilots might not be able to see this critical gauge during emergencies, which could lead to accidents. This directive comes from the Civil Aviation Safety Authority (CASA) and is legally binding—helicopter operators must comply or the aircraft cannot fly legally."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ecureuil-60-nr-indicator-lighting","history":"/api/acts/ad-ecureuil-60-nr-indicator-lighting/history","analysis":"/api/acts/ad-ecureuil-60-nr-indicator-lighting/analysis","conflicts":"/api/acts/ad-ecureuil-60-nr-indicator-lighting/conflicts","importantCases":"/api/acts/ad-ecureuil-60-nr-indicator-lighting/important-cases","documents":"/api/acts/ad-ecureuil-60-nr-indicator-lighting/documents"}}