{"id":"F2006B09265","name":"AD/DHE/15 - NOT ISSUED","slug":"ad-dhe-15-not-issued","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53280,"registerId":"commonwealth-F2006B09265-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHE/15 - NOT 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 - 106 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  De Havilland Piston Engines\n\n \n\nAD/DHE/15 NOT ISSUED N/A\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":{"kimi_summary":{"content_quality":"rejected","complexity_score":1,"rejection_reason":"This is not substantive legislation. It is a placeholder/empty template indicating that Airworthiness Directive AD/DHE/15 was 'NOT ISSUED'. The document contains no operative provisions, legal text, or regulatory content — only metadata, formatting markup, and placeholder fields. It appears to be a fragment from a larger schedule or database export with no independent legal effect or analytical value.","scope_assessment":{"changed":false,"description":"This is a null document — no legislation or regulatory instrument is present. It represents a placeholder where an Airworthiness Directive could have been issued but was not. There is no scope to assess."},"complexity_factors":["Document is essentially empty — contains only header metadata and placeholder text","No operative provisions, definitions, or conditional logic","No cross-references to other legislation or regulations","Single status indicator ('NOT ISSUED') with no explanatory content"],"plain_english_summary":"This document is a placeholder or template for an Airworthiness Directive (AD) that was never actually issued. Airworthiness Directives are official safety notices issued by the Civil Aviation Safety Authority (CASA) that require aircraft owners and operators to take specific actions to fix unsafe conditions in aircraft, engines, or equipment. \n\n**What this document shows:**\n- **AD/DHE/15** — This would be the 15th Airworthiness Directive for De Havilland (DHE) piston engines\n- **\"NOT ISSUED\"** — The directive was drafted but never formally released\n- **\"N/A\"** — Not applicable, as no directive exists\n\n**Why it matters:** Even though this particular directive was never issued, the document demonstrates how CASA structures its safety communications. When issued, ADs are legally binding and must be complied with. They can require anything from inspections to part replacements to operational limitations. Failure to comply can ground an aircraft.\n\nThis specific entry appears to be a placeholder in CASA's Schedule of Airworthiness Directives, indicating that AD number 15 for De Havilland piston engines was reserved or considered but ultimately not needed."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"As presented, the document contains no operative change to regulatory obligations: the AD entry is explicitly \"NOT ISSUED\" and therefore does not alter the legal or compliance scope for operators. There is no evidence in the supplied text that the scope of regulation has been expanded or narrowed relative to what is recorded in this entry (see: \"AD/DHE/15 NOT ISSUED N/A\" and the Schedule header)."},"complexity_factors":["Document contains no operative provisions or technical requirements (entry text: \"AD/DHE/15 NOT ISSUED N/A\").","Regulatory context present but not exercised: references CASA and Part 39 (header: \"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY\"), which creates a procedural framework external to the entry.","Ambiguity from placeholder status: lack of substantive content creates uncertainty about future scope and timing if the directive is later issued.","Low administrative complexity for legal compliance now, but potential downstream complexity if CASA issues a substantive AD (named equipment: \"De Havilland Piston Engines\")."],"plain_english_summary":"This entry is a placeholder Airworthiness Directive record for De Havilland piston engines (AD/DHE/15) in CASA’s Part 39 schedule that is explicitly \"NOT ISSUED.\" As written it imposes no legal requirements or compliance costs on owners, operators, or maintenance organisations. Its practical effect is limited to signalling: CASA may later issue a directive, so affected parties may incur ongoing monitoring or information‑costs but face no immediate obligations."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dhe-15-not-issued","history":"/api/acts/ad-dhe-15-not-issued/history","analysis":"/api/acts/ad-dhe-15-not-issued/analysis","conflicts":"/api/acts/ad-dhe-15-not-issued/conflicts","importantCases":"/api/acts/ad-dhe-15-not-issued/important-cases","documents":"/api/acts/ad-dhe-15-not-issued/documents"}}