{"id":"F2006B10522","name":"AD/HS 125/80 - Aileron Centre Hinge Link Bush","slug":"ad-hs-125-80-aileron-centre-hinge-link-bush","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116307,"registerId":"commonwealth-F2006B10522-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HS 125/80 - Aileron Centre Hinge Link Bush","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)  British Aerospace BAe 125 Series Aeroplanes\n\n \n\nAD/HS 125/80 Aileron Centre Hinge Link Bush 8/86\n\nDM\n\nThis AD contents has been removed from the listing because the aircraft model is not currently on the register.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"rejected","complexity_score":1,"rejection_reason":"This is a navigation stub/placeholder entry indicating an Airworthiness Directive has been removed from the register. It contains no substantive legislative content — only metadata, a title, and a removal notice. There are no operative provisions to analyse.","scope_assessment":{"changed":false,"description":"Not applicable — this is a decommissioned regulatory instrument with no active scope."},"complexity_factors":["Document is a stub/placeholder entry with no substantive regulatory content remaining","No operative provisions, conditions, or requirements present in the text","No defined terms, cross-references, or conditional logic","Consists entirely of metadata and a removal notice"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) requiring specific maintenance or inspection on aircraft.\n\n**What it covers:**\n- **Aircraft type:** British Aerospace BAe 125 series business jets\n- **Specific issue:** The \"Aileron Centre Hinge Link Bush\" — a small but critical component in the aileron control system (the ailerons are the movable surfaces on the wings that make the aircraft roll left or right)\n\n**What happened to it:**\nThis directive has been **removed from the active register** because no BAe 125 aircraft are currently registered in Australia. In other words, CASA has effectively archived this safety notice since there are no planes in the country that need to comply with it anymore.\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety instructions. Even though this one is no longer active, it illustrates how aviation safety works — mechanical defects are tracked, mandatory fixes are issued, and when aircraft types leave the Australian fleet, their associated directives are cleaned up from the active list."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The entry records that the AD has been removed from the listing because the aircraft model is not currently on the Australian register. That removal narrows the immediate scope of enforceable items in the public Schedule of ADs: as recorded in this text, there is no active listing obligation for Australian-registered BAe 125 Series aircraft. The source does not include the AD's original operative content, so the practical operational scope of the original instrument (what inspections or fixes it required) cannot be assessed from this document alone. (See: \"AD/HS 125/80 Aileron Centre Hinge Link Bush 8/86\" and \"This AD contents has been removed from the listing because the aircraft model is not currently on the register.\")"},"complexity_factors":["Extremely brief source text with no operative instructions or compliance details","Administrative nature of the entry (removal from listing) rather than technical regulatory requirements","Cross-reference to a broader regulatory framework (Civil Aviation Regulations 1998, Part 39) without that framework being reproduced","Ambiguity about original AD content — title implies a technical issue but the substantive measures are absent","Potential for future change (reinstatement if model reappears on register) introduces procedural contingency"],"plain_english_summary":"This entry records Airworthiness Directive AD/HS 125/80 (Aileron Centre Hinge Link Bush) for British Aerospace BAe 125 Series aeroplanes but has been removed from CASA’s public Schedule because that aircraft type is not currently on the Australian register. \n\nThe supplied text contains no operative requirements, compliance dates, costs or procedures; it merely shows an administrative removal by CASA. If BAe 125s reappear on the register the AD could be reinstated."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hs-125-80-aileron-centre-hinge-link-bush","history":"/api/acts/ad-hs-125-80-aileron-centre-hinge-link-bush/history","analysis":"/api/acts/ad-hs-125-80-aileron-centre-hinge-link-bush/analysis","conflicts":"/api/acts/ad-hs-125-80-aileron-centre-hinge-link-bush/conflicts","importantCases":"/api/acts/ad-hs-125-80-aileron-centre-hinge-link-bush/important-cases","documents":"/api/acts/ad-hs-125-80-aileron-centre-hinge-link-bush/documents"}}