{"id":"F2006L03624","name":"AD/SA 315/5 - Hoist Hooks","slug":"ad-sa-315-5-hoist-hooks","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":137321,"registerId":"commonwealth-F2006L03624-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter SA 315 (Lama) Series Helicopt","sectionType":"division","heading":"Eurocopter SA 315 (Lama) Series Helicopters","content":"### Eurocopter SA 315 (Lama) Series Helicopters\n\n| AD/SA 315/5 | Hoist Hooks | 12/2006 |\n| ----------- | ----------- | ------- |\n\n| Applicability: | Model SA 315 B helicopters equipped with Goodrich (Lucas-Air Equipment) hoists, part numbers:76300-xxx, andfitted with hooks part numbers:704160 and 708931.Note: The hooks concerned are not fitted with a tongue locking system.                                                                                                                   |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Accomplish the operational procedure, and the restriction prohibiting the use of straps, in accordance with the instructions specified in paragraph 2.A. of Eurocopter Alert Service Bulletin No. 01.33.2. Accomplish the instructions specified in paragraph 2.B. of Eurocopter Alert Service Bulletin No. 01.33.Note: EASA AD 2006-0098 refers. |\n| Compliance:    | 1. Before each hoisting operation.2. Within 2 months after 23 November 2006.                                                                                                                                                                                                                                                                         |\n|                | This Airworthiness Directive becomes effective on 23 November 2006.                                                                                                                                                                                                                                                                                  |\n| Background:    | This Directive was prompted by a case of incorrect positioning of the strap on the hoist hook during a hoisting mission, which led to distortion of the tongue and resulted in the release of the stretcher containing an injured person.                                                                                                            |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n12 October 2006","sortOrder":0},{"sectionNumber":"AD/SA 315/5","sectionType":"part","heading":"AD/SA 315/5","content":"## AD/SA 315/5","sortOrder":1},{"sectionNumber":"Hoist Hooks","sectionType":"part","heading":"Hoist Hooks","content":"## Hoist Hooks","sortOrder":2},{"sectionNumber":"12/2006","sectionType":"part","heading":"12/2006","content":"## 12/2006","sortOrder":3}],"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 is a targeted safety directive addressing a specific mechanical failure mode in a narrow equipment subset. The scope remains precisely limited to the identified hazard."},"complexity_factors":["Single, specific aircraft model and limited part number range","Only 2 compliance actions required (operational restriction + physical modification)","Clear, fixed compliance dates with no conditional triggers","No defined terms section — uses plain manufacturer part numbers","Single cross-reference to Eurocopter Alert Service Bulletin No. 01.33 and EASA AD 2006-0098","Background explains the safety rationale in one sentence"],"plain_english_summary":"This CASA Airworthiness Directive applies to Eurocopter SA 315 B helicopters fitted with specified Goodrich rescue hoists (P/Ns beginning 76300- and hook P/Ns 704160/708931). It bans using straps on those hooks during rescues, requires a prescribed pre-hoist operational check before every lift, and mandates physical modification of the hooks within two months (by 23 January 2007). The AD responds to a dropped-stretcher accident caused by strap misplacement and tongue distortion on hooks without a locking system."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive addresses the specific hazard identified in the background (incorrect strap positioning causing tongue distortion and stretcher release). It confines action to helicopters fitted with the listed hoists/hooks and mandates procedural and prohibition measures; it therefore aligns with the instrument's apparent original intent to mitigate that identified risk."},"complexity_factors":["Narrow technical applicability confined to SA 315B with specific hoist and hook part numbers (Applicability)","Mix of recurring operational requirement (before each hoist) and a one-off compliance deadline (within 2 months) increases operational burden (Compliance)","Dependence on external documents: actions required by specific paragraphs of the Eurocopter Alert Service Bulletin (Requirement)","Prohibition of a common practice (use of straps) changes routine operator behaviour and luggage/load handling procedures (Requirement)","Little room for discretionary interpretation—mandatory procedures and deadlines reduce operator flexibility (Requirement; Compliance)","Safety-driven origin tied to a single incident involving strap mis-positioning and hook tongue distortion (Background)"],"plain_english_summary":"Requires operators of Eurocopter SA 315B helicopters fitted with specified Goodrich hoists (part 76300-xxx) and hooks (704160, 708931) that lack a tongue-locking system to adopt a specified operational procedure and to stop using straps on the hook, per Eurocopter Alert Service Bulletin paragraphs 2.A–2.B. The procedure must be followed before each hoisting operation and the bulletin instructions implemented within two months after 23 November 2006. The operator/owner bears compliance costs; CASA enforces the directive. (Applicability; Requirement; Compliance; Background)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-sa-315-5-hoist-hooks","history":"/api/acts/ad-sa-315-5-hoist-hooks/history","analysis":"/api/acts/ad-sa-315-5-hoist-hooks/analysis","conflicts":"/api/acts/ad-sa-315-5-hoist-hooks/conflicts","importantCases":"/api/acts/ad-sa-315-5-hoist-hooks/important-cases","documents":"/api/acts/ad-sa-315-5-hoist-hooks/documents"}}