{"id":"F2009L02856","name":"AD/AS 355/17 - Securaiglon (Ex Laiglon) Safety Belts - Modification - CANCELLED","slug":"ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80185,"registerId":"commonwealth-F2009L02856-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter AS 355 (Twin Ecureuil) Series","sectionType":"division","heading":"Eurocopter AS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 355/17 | Securaiglon (Ex Laiglon)Safety Belts - Modification | 8/2009 |\n| ------------ | --------------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                       |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 30 July 2009.                                                                                                                                                                                            |\n| Background:  | This unique Australian AD specified modification of passenger seat belts nominated in TRW RAPA SA SB No. 01 and Aerospatiale Telex Service 01.11. Modification was required prior to January 1985. 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 355/17","sectionType":"part","heading":"AD/AS 355/17","content":"## AD/AS 355/17","sortOrder":1},{"sectionNumber":"Securaiglon (Ex Laiglon)Safety Belts - M","sectionType":"part","heading":"Securaiglon (Ex Laiglon)Safety Belts - Modification","content":"## Securaiglon (Ex Laiglon)  \nSafety Belts - Modification","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":3377},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The instrument has transitioned from mandating specific safety belt modifications (its original purpose) to explicitly cancelling that requirement, thereby eliminating the previous compliance obligation entirely."},"complexity_factors":["Single operative provision (simple cancellation)","No defined terms or interpretation sections","No conditional logic, exceptions, or procedural steps","Minimal cross-referencing (only to historical technical bulletins in the background section)"],"plain_english_summary":"This Airworthiness Directive (AD) **cancels a previous safety rule** for specific helicopters.\n\n**What it does**\n*   Revokes a requirement for owners of **Eurocopter AS 355 (Twin Ecureuil)** helicopters to modify passenger seat belts made by Securaiglon (formerly Laiglon).\n*   The original rule (dating back to before 1985) required these modifications to ensure safety.\n*   As of **30 July 2009**, operators no longer need to comply with this modification requirement; the rule is completely cancelled.\n\n**Who it affects**\n*   Owners and operators of Eurocopter AS 355 series helicopters that were subject to the original seat belt modification order.\n\n**Why it matters**\n*   Removes an outdated regulatory burden. The safety modification is no longer considered necessary, simplifying maintenance obligations for affected aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled","history":"/api/acts/ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled/history","analysis":"/api/acts/ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled/analysis","conflicts":"/api/acts/ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled/conflicts","importantCases":"/api/acts/ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled/important-cases","documents":"/api/acts/ad-as-355-17-securaiglon-ex-laiglon-safety-belts-modification-cancelled/documents"}}