{"id":"F2006B10500","name":"AD/HS 125/60 - Horizontal Stabiliser Attachment Fitting - Inspection and Rectification","slug":"ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116263,"registerId":"commonwealth-F2006B10500-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HS 125/60 - Horizontal Stabiliser Attachment Fitting - Inspection and Rectification","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 125/60  Horizontal Stabiliser Attachment Fitting - Inspection and Rectification\n\n\n3/83\n\n \n\nThis AD contents has been removed from the listing because the aircraft model is not currently on the register.\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\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"Not applicable — this is a withdrawn/inactive directive with no current operative scope"},"complexity_factors":["Document is essentially a placeholder/stub with substantive content removed","Only 3 substantive lines of text plus metadata","No operative provisions, defined terms, or conditional logic present","Simple administrative notation explaining removal from register","No cross-references to other legislation or technical standards"],"plain_english_summary":"This document is an **Airworthiness Directive (AD)** — a mandatory safety notice issued by Australia's Civil Aviation Safety Authority (CASA) that requires specific maintenance actions on aircraft.\n\n**What it covers:**\n- **Aircraft type:** British Aerospace BAe 125 series aeroplanes (business jets)\n- **Issue:** Inspection and repair of the **horizontal stabiliser attachment fitting** — a critical structural component that connects the tailplane (the small wings at the back of the aircraft) to the fuselage\n\n**Current status:**\n- The directive has been **removed from active listings** because no BAe 125 aircraft are currently registered in Australia\n- This means the maintenance requirements are no longer actively enforced, though the directive remains on record\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety instructions. Even though this particular AD is inactive, it illustrates how aviation regulators proactively address potential structural failures before they cause accidents. The horizontal stabiliser is essential for controlling the aircraft's pitch (nose up/down movement), so any weakness in its attachment could be catastrophic."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The original scope (an AD requiring inspection and rectification of the horizontal stabiliser attachment fitting on BAe 125 series aircraft, dated 3/83) would have imposed obligations on Australian-registered BAe 125 operators (AD title; 3/83). The supplied record shows the AD entry has been removed from the listing on the ground that the aircraft model is not currently on the Australian register, so the regulatory obligation is not presently applied to any on-register BAe 125s in Australia (removal note: \"This AD contents has been removed from the listing because the aircraft model is not currently on the register.\")."},"complexity_factors":["Very short record: only an AD title, date (3/83) and a removal note are present.","No operative detail provided: text does not include inspection procedures, intervals, compliance timeframes or rectification standards.","Limited applicability: explicitly applies to a single aircraft model (BAe 125 series), and the listing has been removed because no such aircraft are on the register.","Regulatory context present but not expanded: appears in CASA’s Schedule of Airworthiness Directives (Part 39) but the extract omits cross-references or enforcement provisions.","Status change noted (removal) increases interpretive simplicity but reduces substantive content to analyse."],"plain_english_summary":"This AD (AD/HS 125/60, 3/83) required inspection and, if needed, rectification of the horizontal stabiliser attachment fitting on British Aerospace BAe 125 series aircraft, imposing obligations on owners/operators of Australian-registered examples.  \n\nThe entry has been removed from the Australian AD listing because no BAe 125s are currently on the register; the record contains no operative inspection/rectification details, and when active such costs and compliance burden fall to the aircraft owner/operator."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification","history":"/api/acts/ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification/history","analysis":"/api/acts/ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification/analysis","conflicts":"/api/acts/ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification/conflicts","importantCases":"/api/acts/ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification/important-cases","documents":"/api/acts/ad-hs-125-60-horizontal-stabiliser-attachment-fitting-inspection-and-rectification/documents"}}