{"id":"F2006B02496","name":"AD/AS 355/42 - Lucas Air Equipment Hoist - Explosive Squib","slug":"ad-as-355-42-lucas-air-equipment-hoist-explosive-squib","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41752,"registerId":"commonwealth-F2006B02496-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AS 355/42 - Lucas Air Equipment Hoist - Explosive Squib","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)  \nEurocopter AS 355 (Twin Ecureuil) Series Helicopters\n\nAD/AS 355/42 Lucas Air Equipment Hoist \\- Explosive Squib 3/93\n\nApplicability: All Twin Ecureuil Dauphin series helicopters, listed in the Requirement Document, fitted with Lucas Air Equipment hoist part number 76370 (all types) with serial numbers up to and including 494.\n\nRequirement: Action in accordance with Eurocopter France AS 355 Service Bulletin No 25.34.\n\nCompliance: Installed Hoists \\- Prior to the first hoisting mission after 4 March 1993, where a pyrotechnic squib is installed, but no later than 30 April 1993.\n\nSpare Hoists \\- Prior to installation.\n\nBackground: Eurocopter have advised that the possibility exists that the hoist squib may be incorrectly connected. Compliance with this Directive is necessary to ensure that the pyrotechnic squib will fire correctly when required.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1608},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted, single-issue safety directive addressing a specific manufacturing defect in helicopter hoists. The scope remains tightly focused on the original wiring fault without expansion into unrelated systems or broader operational requirements."},"complexity_factors":["Dual compliance pathways distinguishing between installed equipment and spare parts","Compound deadline structure requiring action 'prior to first mission after 4 March 1993' but capped at 'no later than 30 April 1993'","External incorporation of Eurocopter Service Bulletin 25.34 without reproducing technical content in the directive","Precise applicability limited by both part number (76370) and serial number range (up to 494)"],"plain_english_summary":"This mandatory AD requires operators of Eurocopter AS355 helicopters fitted with Lucas Air Equipment hoists (PN 76370, S/N ≤494) to inspect and correct a potentially miswired explosive squib that may prevent the emergency release from firing. \n\nWork must follow Eurocopter France Service Bulletin No. 25.34 and be completed before the next hoisting mission after 4 Mar 1993 (or by 30 Apr 1993), and on any spare hoist before installation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib","history":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib/history","analysis":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib/analysis","conflicts":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib/conflicts","importantCases":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib/important-cases","documents":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib/documents"}}