{"id":"F2006B02002","name":"AD/A330/24 - This AD not issued","slug":"ad-a330-24-this-ad-not-issued","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41224,"registerId":"commonwealth-F2006B02002-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/A330/24 - This AD not issued","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue NA,Aircraft above 5700 kg,Airbus Industrie A330 Series Aeroplanes,This AD not issued,24\ntitle: Airworthiness Directive - AD/A330/24 - This AD not issued\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n \n\n \n\n \n\nThis AD Not issued\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":2,"scope_assessment":{"changed":true,"description":"The document indicates a change from an intended airworthiness action to non-issuance. Metadata and the title identify an AD aimed at the Airbus A330 series (\"Aircraft above 5700 kg, Airbus Industrie A330 Series Aeroplanes\"), but the operative statement is \"This AD Not issued.\" Mechanically this means the scope of regulatory action that would have applied to those aircraft did not come into force via this instrument; no obligations or mandated corrective actions arise from this record. The document does not explain the reasons for the change or whether any alternative measures were adopted."},"complexity_factors":["Document contains no operative provisions or requirements (explicitly states: \"This AD Not issued\").","Very limited factual content and no procedural detail about reasons, conditions, or alternatives.","Metadata references a specific aircraft class (Airbus A330 >5700 kg) but no substantive scope or measures are provided.","Absence of explanatory material increases ambiguity about original intent and future steps.","Clear administrative provenance (CASA/Part 39) but no implementing detail—low procedural complexity but higher interpretive ambiguity about why non-issuance occurred."],"plain_english_summary":"# What this document does (mechanically)\n\nThe instrument records that an Airworthiness Directive (AD) identified as AD/A330/24 was not issued. In plain terms, it does not create, change, or impose any legal requirements on aircraft, operators, or maintenance organisations. The text explicitly states: \"This AD Not issued.\" (Document header and body: \"AD/A330/24 - This AD not issued\"; \"This AD Not issued\").\n\n# Who decides and who is affected\n\n- The issuing authority named is the Civil Aviation Safety Authority (CASA) under the Civil Aviation Safety Regulations 1998, Part 39: \"COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\" (document header). CASA is therefore the decision-maker recorded in the document.\n- The file’s metadata references the subject aircraft class: \"Aircraft above 5700 kg, Airbus Industrie A330 Series Aeroplanes\" (metadata). That indicates the intended target of the AD, but because the AD was not issued, those operators are not subject to any new requirements from this instrument.\n\n# Why this matters (stated purpose and practical consequences)\n\n- Stated purpose: the paper is presented as an AD for Airbus A330 series aeroplanes but the operative statement is that it was not issued. The document therefore does not enact corrective or mandatory measures.\n- Practical consequences: no compliance costs, no compliance process to follow, and no new inspections/modifications/record-keeping obligations arise from this document. If an AD had been issued, operators would likely have borne the costs and administrative burdens of complying; those costs do not arise here because the AD was not issued (see: \"This AD Not issued\").\n\n# Incentives, costs, discretion and implementation notes\n\n- Who pays: because no AD is in force from this document, there is no direct compliance cost imposed by it. If an AD had been issued, the immediate cost bearer would have been aircraft owners/operators of the Airbus A330 series referenced in the metadata.\n- Who decides: CASA is recorded as the authority handling the AD (document header). The statement \"This AD Not issued\" reflects CASA’s decision (or the administrative outcome recorded in this schedule).\n- Compliance burden: none results from this instrument because it contains no operative requirements.\n- Bureaucratic discretion: the document records a discretionary outcome (non-issuance). The record does not explain the reasons for non-issuance, the alternative measures (if any), or any conditions that would trigger future action.\n- Trade-offs and opportunity costs: mechanically, forgoing an AD avoids the direct monetary and administrative costs that an AD would impose on affected operators. It also means no new mandated corrective actions arise from this document; any policy or safety benefits that would have followed from an issued AD do not flow from this instrument. The document itself does not state any analysis of these trade-offs.\n\n# Evidence cited from the instrument\n\n- Header identifying the instrument and authority: \"COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\".\n- Instrument identifier and operative statement: \"AD/A330/24 - This AD not issued\"; \"This AD Not issued\".\n- Metadata indicating intended subject: \"Aircraft above 5700 kg, Airbus Industrie A330 Series Aeroplanes\".\n\nSummary conclusion: The document records that AD/A330/24, which appears intended for Airbus A330 series aeroplanes, was not issued. Mechanically, it imposes no new regulatory obligations, creates no compliance processes, and produces no direct costs for operators; the Civil Aviation Safety Authority is the authority named in the record."},"kimi_summary":{"content_quality":"rejected","complexity_score":1,"rejection_reason":"This is not substantive legislation. It is a placeholder/null document indicating that planned Airworthiness Directive AD/A330/24 was never issued. The content consists only of metadata, a title, and the statement 'This AD Not issued' repeated with whitespace. There are no operative provisions, legal requirements, or substantive content to analyse.","scope_assessment":{"changed":false,"description":"This document never had scope - it is a null placeholder indicating a planned Airworthiness Directive was not issued. There is no original intent to compare against as no substantive legislation was enacted."},"complexity_factors":["Document contains no substantive legislative content - only a title and 'This AD Not issued' statement","Zero defined terms","Zero operative provisions or requirements","Zero cross-references to other legislation","No conditional logic or exceptions","Essentially a null/placeholder document"],"plain_english_summary":"This document is a placeholder or notice from the Civil Aviation Safety Authority (CASA) indicating that **Airworthiness Directive AD/A330/24 was never actually issued**. \n\nAn Airworthiness Directive (AD) is a mandatory safety notice that tells aircraft owners and operators they must fix a specific safety problem. In this case, CASA had apparently planned to issue Directive number 24 for the Airbus A330 aircraft series (hence \"AD/A330/24\"), but ultimately decided not to publish it.\n\n**What this means:**\n- **For aircraft operators:** There is no new safety requirement to comply with\n- **For the A330 fleet:** No mandatory action required under this directive number\n- **Why it exists:** CASA maintains a numbered schedule of directives. When a planned directive is cancelled or not proceeded with, they publish a \"not issued\" notice to maintain the sequence and prevent confusion about missing numbers\n\nThis is essentially an administrative placeholder saying \"we reserved slot number 24 for the A330, but nothing actually happened here.\""}},"importantCases":[],"_links":{"self":"/api/acts/ad-a330-24-this-ad-not-issued","history":"/api/acts/ad-a330-24-this-ad-not-issued/history","analysis":"/api/acts/ad-a330-24-this-ad-not-issued/analysis","conflicts":"/api/acts/ad-a330-24-this-ad-not-issued/conflicts","importantCases":"/api/acts/ad-a330-24-this-ad-not-issued/important-cases","documents":"/api/acts/ad-a330-24-this-ad-not-issued/documents"}}