{"id":"F2006B10246","name":"AD/GAZELLE/27 - CARGO AIDS Cargo Release Units","slug":"ad-gazelle-27-cargo-aids-cargo-release-units","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55916,"registerId":"commonwealth-F2006B10246-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/27 CARGO AIDS Cargo Release U","sectionType":"part","heading":"AD/GAZELLE/27 CARGO AIDS Cargo Release Units 1/2004","content":"# AD/GAZELLE/27 CARGO AIDS Cargo Release Units 1/2004\n\nDM\n\nApplicability: Models SA 341 G and SA 342 J helicopters equipped with CARGO AIDS cargo release units part number 2MK1.\n\nRequirement: Check the dimension of the cargo equipment rings in accordance with paragraph 2.B. of Eurocopter Alert Service Bulletin No. 01.30.\n\nNote: DGAC AD F-2003-421 refers.\n\nCompliance: Before any flight involving the use of CARGO AIDS cargo release unit part number 2MK1.\n\nThis Airworthiness Directive becomes effective on 3 December 2003.\n\nBackground: It has been determined that the use of certain size cargo rings is unsuitable for the cargo release unit hook, and could result in the ring jamming in the hook in the hook- open position. This situation could lead to the loss of the underslung load.\n\n![Signature of David Villiers](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 26 November 2003\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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original narrow scope — addressing a specific mechanical incompatibility between cargo rings and release hooks on particular Gazelle helicopter models. There is no evidence of scope creep; it remains a targeted safety intervention for a defined unsafe condition."},"complexity_factors":["Single, clearly defined applicability (2 specific helicopter models with 1 specific part number)","Single requirement referencing an external technical document (Eurocopter Alert Service Bulletin)","No defined terms section — uses plain technical language","No nested exceptions or conditional logic","Straightforward compliance trigger (before flight)","Short document (approximately 200 words of substantive content)"],"plain_english_summary":"This safety order from a CASA delegate requires operators of Eurocopter Gazelle SA 341 G and SA 342 J helicopters equipped with Cargo Aids 2MK1 cargo release units to perform a physical check of the cargo rings before every flight, following Eurocopter Alert Service Bulletin No. 01.30. The check prevents ring-size interference that can jam the hook open and cause an unintended underslung load release."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument sets a narrow, specific scope (particular helicopter models and a particular cargo-release part) and prescribes a pre-flight dimensional check per the manufacturer bulletin. The text contains no change of scope from its stated safety purpose and does not expand applicability beyond the models and part number listed (Applicability; Requirement; Compliance; Background)."},"complexity_factors":["Narrow, equipment-specific applicability: only Models SA 341 G and SA 342 J with CARGO AIDS p/n 2MK1 (Applicability).","Single, technical inspection requirement: measure cargo-equipment ring dimensions per Eurocopter Alert Service Bulletin paragraph 2.B (Requirement).","Immediate operational constraint: inspection must be completed before any flight using the release unit, potentially grounding flights that need the unit until compliance (Compliance).","Dependence on an external manufacturer document and foreign authority reference: compliance requires following the Eurocopter Alert Service Bulletin and notes DGAC AD F-2003-421 (Requirement/Note).","Safety-driven intervention: background cites ring-jamming in the hook-open position risking loss of underslung loads, which dictates a preventive inspection (Background).","Delegated regulatory basis: issued under CASR subregulation 39.1(1), meaning the CASA delegate prescribes the corrective action (preamble)."],"plain_english_summary":"This directive requires operators of Eurocopter SA 341 G and SA 342 J helicopters fitted with CARGO AIDS cargo release unit p/n 2MK1 to check the cargo-ring dimensions against Eurocopter Alert Service Bulletin para 2.B and not to use the release unit until that check is done. CASA says the check addresses a risk that certain ring sizes can jam in the open-hook position and cause the loss of an underslung load."}},"importantCases":[],"_links":{"self":"/api/acts/ad-gazelle-27-cargo-aids-cargo-release-units","history":"/api/acts/ad-gazelle-27-cargo-aids-cargo-release-units/history","analysis":"/api/acts/ad-gazelle-27-cargo-aids-cargo-release-units/analysis","conflicts":"/api/acts/ad-gazelle-27-cargo-aids-cargo-release-units/conflicts","importantCases":"/api/acts/ad-gazelle-27-cargo-aids-cargo-release-units/important-cases","documents":"/api/acts/ad-gazelle-27-cargo-aids-cargo-release-units/documents"}}