{"id":"F2006B10516","name":"AD/HS 125/75 - Aileron Drain Holes","slug":"ad-hs-125-75-aileron-drain-holes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116295,"registerId":"commonwealth-F2006B10516-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HS 125/75 - Aileron Drain Holes","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 125/75 Aileron Drain Holes  2/86 DM\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":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"Not applicable — this is a minimal administrative record rather than substantive legislation with evolving scope."},"complexity_factors":["Document is essentially a stub/placeholder entry with no substantive regulatory content","No defined terms, cross-references, or conditional logic present","Single sentence of explanatory text stating the content has been removed","No operative provisions or requirements currently in force"],"plain_english_summary":"This document is an **Airworthiness Directive (AD)** — a mandatory safety instruction issued by Australia's Civil Aviation Safety Authority (CASA) for aircraft. Specifically, **AD/HS 125/75** relates to **drain holes in the ailerons** (the hinged flaps on the wings that control rolling) of **British Aerospace BAe 125 series aircraft**.\n\n**What it does:** The directive originally required some action regarding drain holes in these ailerons — likely to prevent water accumulation that could cause corrosion or freezing issues.\n\n**Current status:** The content has been **removed from the active register** because no BAe 125 aircraft are currently registered in Australia. This means the directive is effectively dormant — it exists in the records but isn't actively enforced because there are no affected planes flying under Australian registration.\n\n**Who it affects:** Originally, operators and maintainers of British Aerospace BAe 125 aircraft in Australia. Currently, nobody — since the aircraft type isn't on the register.\n\n**Why it matters:** Airworthiness Directives are critical safety tools. Even though this one is inactive, it demonstrates how aviation safety authorities maintain records of technical requirements and clean up their registers when aircraft types leave the fleet."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The original scope implied by the AD title was to cover aileron drain holes on British Aerospace BAe 125 series aeroplanes (source: AD header and identifier). The published entry records that the AD contents have been removed from the schedule because \"the aircraft model is not currently on the register,\" which narrows the immediate regulatory scope to none for registered Australian aircraft of that model (source: removal sentence). The entry does not set out the conditions or process for re-listing, so the practical scope change is removal of the AD’s listing effect while the model remains off the register."},"complexity_factors":["Very short source text with no operative technical requirements listed (only AD title and identifier).","Administrative action (removal from listing) tied to register status rather than technical rulemaking.","Absence of detailed compliance steps, timelines, or costs in the provided text.","Dependence on external register data to determine applicability, creating conditional scope.","Lack of explanation about re-listing or reactivation procedures in the entry."],"plain_english_summary":"This schedule entry records an Airworthiness Directive (AD) for British Aerospace BAe 125-series aileron drain holes but has been removed from the published listing because no aircraft of that model are currently on the Australian register. \n\nIf any BAe 125s were registered, owners/operators would be responsible for compliance; the removal is an administrative regulator action tied to register status, not a statement about the AD’s technical content."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hs-125-75-aileron-drain-holes","history":"/api/acts/ad-hs-125-75-aileron-drain-holes/history","analysis":"/api/acts/ad-hs-125-75-aileron-drain-holes/analysis","conflicts":"/api/acts/ad-hs-125-75-aileron-drain-holes/conflicts","importantCases":"/api/acts/ad-hs-125-75-aileron-drain-holes/important-cases","documents":"/api/acts/ad-hs-125-75-aileron-drain-holes/documents"}}