{"id":"F2006B09734","name":"AD/F27/59 - Superseded by AD/AIRCON/1","slug":"ad-f27-59-superseded-by-ad-aircon-1","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115928,"registerId":"commonwealth-F2006B09734-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/F27/59 - Superseded by AD/AIRCON/1","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for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OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Fokker F27 Series Aeroplanes\n\n \n\nAD/F27/59 Superseded by AD/AIRCON/1 12/67\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n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/placeholder document containing only metadata and a supersession notice. It contains no substantive legislative content to analyse - merely stating that AD/F27/59 has been replaced by AD/AIRCON/1. The extensive whitespace and image reference confirm this is a fragment or redirect page from a larger schedule, not meaningful legislation.","scope_assessment":{"changed":false,"description":"Not applicable - this is a minimal administrative record indicating directive replacement, not substantive legislation with evolving scope."},"complexity_factors":["Document is essentially a placeholder/redirect notice with no substantive legislative content","No defined terms, operative provisions, or conditional logic present","Consists solely of header metadata, document identification, and supersession notice","Extremely short - approximately 50 words of meaningful content"],"plain_english_summary":"This document is a **Civil Aviation Safety Authority (CASA) Airworthiness Directive** relating to **Fokker F27 series aircraft** (a type of regional turboprop aeroplane). \n\n**What it does:**\n- This directive (numbered AD/F27/59) has been **superseded** (replaced) by a newer directive called **AD/AIRCON/1**.\n- The reference \"12/67\" suggests this original directive dates back to December 1967.\n\n**Who it affects:**\n- Owners and operators of Fokker F27 aircraft registered in Australia.\n- Maintenance engineers and airlines responsible for keeping these aircraft airworthy.\n\n**Why it matters:**\nAirworthiness Directives are **legally binding safety instructions** issued by CASA. When an AD is superseded, operators must follow the *new* directive (AD/AIRCON/1), not this old one. This document serves as a historical reference point showing that the old safety requirement has been updated or replaced by a consolidated air conditioning system directive."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The supplied entry explicitly records that AD/F27/59 has been superseded by AD/AIRCON/1 (noted in the excerpt as \"Superseded by AD/AIRCON/1 12/67\"). The excerpt therefore shows a change in which instrument is listed as controlling. The supplied text does not include the substantive content of either the original or the replacing directive, so whether the substantive regulatory scope (obligations, affected parts, compliance timelines, or costs) changed cannot be determined from this excerpt alone."},"complexity_factors":["Excerpt is extremely short and contains only identification and a supersession note","No operative provisions, requirements, or compliance details present","No dates or contextual explanatory text beyond a single supersession line","Cross-reference to a replacing directive (AD/AIRCON/1) without its text increases reliance on external documents","Absence of sections or numbered provisions in the supplied text"],"plain_english_summary":"This schedule entry labels an airworthiness directive AD/F27/59 for Fokker F27 series aeroplanes and records that it has been superseded by AD/AIRCON/1 (12/67). It affects operators of Fokker F27s only insofar as it notes the older directive is no longer current. The excerpt contains no operative requirements, compliance dates, costs, or text of either AD, so it does not itself state what actions, burdens, or enforcement follow — those require the full AD texts."}},"importantCases":[],"_links":{"self":"/api/acts/ad-f27-59-superseded-by-ad-aircon-1","history":"/api/acts/ad-f27-59-superseded-by-ad-aircon-1/history","analysis":"/api/acts/ad-f27-59-superseded-by-ad-aircon-1/analysis","conflicts":"/api/acts/ad-f27-59-superseded-by-ad-aircon-1/conflicts","importantCases":"/api/acts/ad-f27-59-superseded-by-ad-aircon-1/important-cases","documents":"/api/acts/ad-f27-59-superseded-by-ad-aircon-1/documents"}}