{"id":"F2006B09735","name":"AD/F27/60 - Superseded by AD/AIRCON/1","slug":"ad-f27-60-superseded-by-ad-aircon-1","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115929,"registerId":"commonwealth-F2006B09735-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/F27/60 - Superseded by AD/AIRCON/1","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for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OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Fokker F27 Series Aeroplanes\n\n \n\nAD/F27/60 Superseded by AD/AIRCON/1 12/67\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n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is a navigation stub/index entry indicating that AD/F27/60 has been superseded by AD/AIRCON/1. It contains no substantive legislative text, operative provisions, defined terms, or actual regulatory requirements. It appears to be a fragment from a schedule or directory of Airworthiness Directives rather than the text of the legislation itself.","scope_assessment":{"changed":false,"description":"This appears to be a metadata stub or index entry indicating a superseded directive. No scope assessment possible as no substantive legislative content is present."},"complexity_factors":["Document is a navigation stub/index entry only — contains no substantive legislative text","Zero defined terms present in the extracted content","No conditional logic, cross-references, or operative provisions visible","Consists solely of metadata (document identifier, supersession notice, and formatting tags)","No legislative provisions, requirements, or obligations stated"],"plain_english_summary":"This document is a **superseded Airworthiness Directive (AD)** for Fokker F27 aircraft. An Airworthiness Directive is a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) requiring aircraft owners or operators to perform specific inspections, repairs, or modifications to address unsafe conditions.\n\n**What this document shows:**\n- **AD/F27/60** was the original directive number for Fokker F27 series aeroplanes (a type of regional turboprop aircraft)\n- It has been **replaced** by **AD/AIRCON/1** (issued 12/67 — likely December 1967 or document reference 12/67)\n- The \"F27\" designation indicates this applied specifically to Fokker F27 aircraft\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety requirements. When an AD is superseded, operators must follow the newer directive instead. This document serves as a historical reference showing the regulatory lineage — useful for maintenance records, proving compliance history, or understanding when safety requirements changed.\n\n**Who it affects:**\n- Owners and operators of Fokker F27 aircraft\n- Maintenance organisations servicing these aircraft\n- Aviation safety regulators tracking compliance history"},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The record indicates the original directive AD/F27/60 was replaced by a later directive, AD/AIRCON/1, as of 12/67, which constitutes a change in which instrument governs those matters. The supplied text does not include the operative language of either AD, so it is not possible from this entry alone to determine how the substantive scope, obligations, or technical requirements were altered by the supersession."},"complexity_factors":["Entry is a single-line registry record with no operative provisions included.","Reference to a separate instrument (AD/AIRCON/1) creates a cross-reference dependence; substantive content lives elsewhere.","Lack of dates or procedural detail beyond the month/year of supersession limits temporal clarity.","No technical or compliance instructions are provided, preventing assessment of financial or operational impact.","Archival wording (\"Superseded by\") means legal effect depends on comparing two external documents."],"plain_english_summary":"AD/F27/60 was an airworthiness directive for Fokker F27 series aeroplanes that, according to CASA’s AD schedule, was superseded by AD/AIRCON/1 in December 1967. This affects operators, owners and maintenance organisations by shifting compliance obligations from the original directive to the replacement as of that date. The entry is an index record only and does not include the substantive requirements or costs of either AD."}},"importantCases":[],"_links":{"self":"/api/acts/ad-f27-60-superseded-by-ad-aircon-1","history":"/api/acts/ad-f27-60-superseded-by-ad-aircon-1/history","analysis":"/api/acts/ad-f27-60-superseded-by-ad-aircon-1/analysis","conflicts":"/api/acts/ad-f27-60-superseded-by-ad-aircon-1/conflicts","importantCases":"/api/acts/ad-f27-60-superseded-by-ad-aircon-1/important-cases","documents":"/api/acts/ad-f27-60-superseded-by-ad-aircon-1/documents"}}