{"id":"F2006B09262","name":"AD/DHE/12 - NOT ISSUED","slug":"ad-dhe-12-not-issued","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53265,"registerId":"commonwealth-F2006B09262-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHE/12 - 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/12 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":{"flash_summary":{"complexity_score":1,"scope_assessment":{"changed":false,"description":"The entry records that AD/DHE/12 was not issued and therefore does not change the regulatory scope for De Havilland piston engines. There is no operative text in the source to expand, narrow or otherwise alter existing obligations."},"complexity_factors":["Single, short entry with no operative provisions","\"NOT ISSUED\" status leaves no compliance or implementation detail","No cross-references, conditions, or dates provided","No technical requirements or procedural steps to interpret"],"plain_english_summary":"This schedule entry records an item \"AD/DHE/12\" against De Havilland piston engines as \"NOT ISSUED / N/A.\" It imposes no obligations, costs, or operational changes because no airworthiness directive text was published. The line simply notes a non‑issued AD in the Civil Aviation Safety Authority’s Part 39 schedule; nothing in the entry activates regulatory duties."},"kimi_summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a null administrative entry with no substantive scope to assess. It functions exactly as intended—as a placeholder in a numbering sequence."},"complexity_factors":["Document is a single-line placeholder with no operative provisions","No defined terms, cross-references, or conditional logic","Contains only administrative metadata (document number, status, and category)","No legislative text or regulatory requirements present"],"plain_english_summary":"This document is a placeholder entry in the Civil Aviation Safety Authority's (CASA) Schedule of Airworthiness Directives. It indicates that **Airworthiness Directive AD/DHE/12** for **De Havilland Piston Engines** has **not been issued** (marked \"N/A\"). \n\n**What this means:**\n- **Airworthiness Directives (ADs)** are mandatory safety notices issued by CASA that require aircraft owners and operators to perform specific inspections, repairs, or modifications to address unsafe conditions in aircraft, engines, or equipment.\n- **AD/DHE/12** would be the 12th directive in the series for De Havilland piston engines (the \"DHE\" code identifies the aircraft/engine type).\n- The \"NOT ISSUED\" status means CASA has reserved this directive number but has not yet released any safety requirements under it, or it was cancelled before issue.\n\n**Who it affects:** Aircraft operators, maintenance organisations, and owners of aircraft powered by De Havilland piston engines.\n\n**Why it matters:** This placeholder ensures the numbering sequence remains consistent and transparent, so stakeholders know that AD/DHE/12 is intentionally blank rather than missing or overlooked."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dhe-12-not-issued","history":"/api/acts/ad-dhe-12-not-issued/history","analysis":"/api/acts/ad-dhe-12-not-issued/analysis","conflicts":"/api/acts/ad-dhe-12-not-issued/conflicts","importantCases":"/api/acts/ad-dhe-12-not-issued/important-cases","documents":"/api/acts/ad-dhe-12-not-issued/documents"}}