{"id":"F2005L00612","name":"AD/S-62/4 Amdt 1 - Stabilizer and Tube Assemblies - CANCELLED","slug":"ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":112876,"registerId":"commonwealth-F2005L00612-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Sikorsky S-62 Series Helicopters","sectionType":"division","heading":"Sikorsky S-62 Series Helicopters","content":"### Sikorsky S-62 Series Helicopters\n\n| AD/S-62/4 Amdt 1 | Stabilizer and Tube Assemblies | 4/2005 |\n| ---------------- | ------------------------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                            |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 14 April 2005.                                                                                                                                                                                |\n| Background:  | This Directive required inspections, and the replacement of the stabiliser tube assemblies and tube assemblies attachment fitting with parts of a new design within 300 hours. The unsafe condition no longer exists. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n2 March 2005","sortOrder":0},{"sectionNumber":"AD/S-62/4 Amdt 1","sectionType":"part","heading":"AD/S-62/4 Amdt 1","content":"## AD/S-62/4 Amdt 1","sortOrder":1},{"sectionNumber":"Stabilizer and Tube Assemblies","sectionType":"part","heading":"Stabilizer and Tube Assemblies","content":"## Stabilizer and Tube Assemblies","sortOrder":2},{"sectionNumber":"4/2005","sectionType":"part","heading":"4/2005","content":"## 4/2005","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2461},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument maintains the original scope concerning stabiliser tube safety for the S-62 helicopter series, but terminates the regulatory requirements. It does not expand into new aircraft types, parts, or subject matter areas."},"complexity_factors":["Single operative provision consisting of the word 'CANCELLED'","Zero defined terms or interpretive provisions","No legislative cross-references, conditions, or exceptions","Substantive content limited to approximately 40 words"],"plain_english_summary":"This document officially removes a maintenance requirement for **Sikorsky S-62 helicopters**.\n\n**What it does:**\n- Cancels a previous safety rule (an Airworthiness Directive) that required owners to inspect and replace specific tail stabiliser parts (tube assemblies and attachment fittings) with redesigned versions within a strict flight-hour limit.\n- Ends the legal obligation to perform these specific repairs because the underlying safety defect has been resolved.\n\n**Who it affects:**\n- Owners, operators, and maintenance engineers working on Sikorsky S-62 series helicopters.\n\n**Why it matters:**\n- **Reduces costs and paperwork:** Operators no longer need to track flight hours for this specific replacement or pay for the mandated parts and labour.\n- **Safe deregulation:** The rule is only removed because the \"unsafe condition\" that originally prompted it no longer exists, meaning the aircraft remain safe without this regulatory burden."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled","history":"/api/acts/ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled/history","analysis":"/api/acts/ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled/analysis","conflicts":"/api/acts/ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled/conflicts","importantCases":"/api/acts/ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled/important-cases","documents":"/api/acts/ad-s-62-4-amdt-1-stabilizer-and-tube-assemblies-cancelled/documents"}}