{"id":"F2009L02859","name":"AD/AS 355/42 - Lucas Air Equipment Hoist - Explosive Squib - CANCELLED","slug":"ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80194,"registerId":"commonwealth-F2009L02859-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter AS 355 (Twin Ecureuil) Series","sectionType":"division","heading":"Eurocopter AS 355 (Twin Ecureuil) Series Helicopters","content":"### Eurocopter AS 355 (Twin Ecureuil) Series Helicopters\n\n| AD/AS 355/42 | Lucas Air Equipment Hoist - Explosive Squib | 8/2009 |\n| ------------ | ------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                           |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 30 July 2009.                                                                                                                                |\n| Background:  | This unique Australian AD specified action in accordance with SB No. 25.34 byApril 1993, and prior to installation of any spare hoist. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n18 June 2009","sortOrder":0},{"sectionNumber":"AD/AS 355/42","sectionType":"part","heading":"AD/AS 355/42","content":"## AD/AS 355/42","sortOrder":1},{"sectionNumber":"Lucas Air Equipment Hoist - Explosive Sq","sectionType":"part","heading":"Lucas Air Equipment Hoist - Explosive Squib","content":"## Lucas Air Equipment Hoist - Explosive Squib","sortOrder":2},{"sectionNumber":"8/2009","sectionType":"part","heading":"8/2009","content":"## 8/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2163},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The original legislation mandated specific time-bound maintenance actions (compliance with SB No. 25.34 by April 1993) on helicopter hoists. This cancellation version eliminates all operative requirements, reducing the scope to nil and rendering the instrument inoperative."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, cross-references, or exceptions","Brief reference to external technical document (Service Bulletin No. 25.34) without incorporating its substantive content"],"plain_english_summary":"**What this is:** A cancellation of a previous aircraft safety rule (Airworthiness Directive) for specific helicopters.\n\n**Who it affects:** Operators of **Eurocopter AS 355 (Twin Ecureuil)** series helicopters equipped with **Lucas Air Equipment Hoists** that use explosive squibs (pyrotechnic devices that cut cables in emergencies).\n\n**What changed:**\n* The previous safety requirement (**AD/AS 355/42**) is **cancelled** as of **30 July 2009**\n* The original rule required operators to comply with **Service Bulletin No. 25.34** by April 1993 (a manufacturer's technical instruction) before installing any spare hoist\n* This action is **no longer required**\n\n**Why it matters:** Operators are no longer legally bound by the specific technical requirements of the original 1993 directive, though they must still ensure their equipment meets current airworthiness standards through other applicable regulations."}},"importantCases":[],"_links":{"self":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled","history":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled/history","analysis":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled/analysis","conflicts":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled/conflicts","importantCases":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled/important-cases","documents":"/api/acts/ad-as-355-42-lucas-air-equipment-hoist-explosive-squib-cancelled/documents"}}