{"id":"F2006B02508","name":"AD/AS 355/54 - This AD yet to be issued","slug":"ad-as-355-54-this-ad-yet-to-be-issued","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41764,"registerId":"commonwealth-F2006B02508-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AS 355/54 - This AD yet to be issued","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Eurocopter AS 355 (Twin Ecureuil) Series Helicopters\n\n \n\nAD/AS 355/54 This AD yet to be issued TBA\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No substantive scope change can be identified from this entry. The listing only records that AD/AS 355/54 for Eurocopter AS 355 series helicopters is to be issued; no requirements have been published and therefore the scope remains unspecified in this document (AD/AS 355/54; Civil Aviation Regulations 1998, Part 39 - 105)."},"complexity_factors":["Document is a placeholder with no operative content, creating high uncertainty about actual future requirements.","Multiple stakeholder groups will be affected (owners, operators, maintenance organisations, parts suppliers), requiring coordination once the AD is issued.","Technical complexity will depend on the (as-yet-unpublished) measures that the AD will mandate (inspections, modifications, part replacements).","Regulatory discretion under Civil Aviation Regulations Part 39 determines timing, scope and enforcement, which affects planning and compliance burden.","Potential supply-chain dependencies (availability of parts or qualified engineers) could complicate timely compliance once requirements are published."],"plain_english_summary":"This entry is a placeholder in the Commonwealth Schedule of Airworthiness Directives for Eurocopter AS 355 helicopters (AD/AS 355/54): it signals CASA intends to issue an AD but contains no operative requirements, dates, or technical instructions yet.  \n\nOwners, operators, maintenance organisations and parts suppliers are affected: when published the AD will impose mandatory inspections, modifications or limitations, creating compliance costs and planning uncertainty until the AD’s full text is released."},"kimi_summary":{"content_quality":"rejected","complexity_score":1,"rejection_reason":"This is a placeholder document indicating an Airworthiness Directive 'yet to be issued.' It contains no substantive legislative content, operative provisions, or regulatory text — only metadata, formatting tags, and a header indicating the AD number and aircraft type. There is nothing to analyse.","scope_assessment":{"changed":false,"description":"Not applicable — document contains no operative provisions to assess."},"complexity_factors":["Document is a placeholder/stub with no substantive legislative content","No defined terms, operative provisions, or conditional logic present","Consists entirely of header metadata and formatting instructions","No cross-references or regulatory mechanisms included"],"plain_english_summary":"This document is a placeholder for an **Airworthiness Directive (AD)** — a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) for aircraft. Specifically, this would apply to **Eurocopter AS 355 (Twin Ecureuil) series helicopters**.\n\n**What it is:** An Airworthiness Directive is a legally binding instruction that requires aircraft owners or operators to take specific action (such as inspections, repairs, or modifications) to address unsafe conditions in an aircraft, engine, or component.\n\n**Current status:** This particular directive has **not yet been issued** — it is a placeholder or draft entry in CASA's schedule. The \"TBA\" (To Be Advised) indicates the effective date is pending.\n\n**Who it affects:** Operators and owners of Eurocopter AS 355 twin-engine helicopters in Australia.\n\n**Why it matters:** Once issued, this AD will likely mandate safety-critical maintenance or operational requirements. Non-compliance would ground the aircraft or expose operators to enforcement action."}},"importantCases":[],"_links":{"self":"/api/acts/ad-as-355-54-this-ad-yet-to-be-issued","history":"/api/acts/ad-as-355-54-this-ad-yet-to-be-issued/history","analysis":"/api/acts/ad-as-355-54-this-ad-yet-to-be-issued/analysis","conflicts":"/api/acts/ad-as-355-54-this-ad-yet-to-be-issued/conflicts","importantCases":"/api/acts/ad-as-355-54-this-ad-yet-to-be-issued/important-cases","documents":"/api/acts/ad-as-355-54-this-ad-yet-to-be-issued/documents"}}