{"id":"F2006B10478","name":"AD/HS 125/4 - Cabin Pressure Safety and Inward Relief Valve - Modification","slug":"ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116219,"registerId":"commonwealth-F2006B10478-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HS 125/4 - Cabin Pressure Safety and Inward Relief Valve - Modification","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 125/4 Cabin Pressure Safety and Inward Relief Valve - Modification\n\n\n11/66\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1875},"content_quality":"rejected","complexity_score":1,"rejection_reason":"This is a stub/placeholder entry indicating the substantive AD content has been removed from the listing; it contains no operative legislative provisions, requirements, or enforceable standards to analyze.","scope_assessment":{"changed":true,"description":"Originally enacted as an active safety mandate requiring specific aircraft modifications, this AD has been effectively withdrawn. The current version serves only as a historical placeholder noting removal from the register, representing a complete shift from regulatory enforcement to administrative notation."},"complexity_factors":["Single sentence placeholder text with no operative provisions","No defined terms, conditions, or cross-references","No regulatory requirements or compliance obligations stated"],"plain_english_summary":"This document is a placeholder entry in the Civil Aviation Safety Authority's Schedule of Airworthiness Directives. It indicates that **Airworthiness Directive AD/HS 125/4** — which originally required modifications to cabin pressure safety and inward relief valves on British Aerospace BAe 125 series aircraft — has been removed from the active listing. The removal occurred because this specific aircraft model is no longer registered in Australia. The entry contains no current safety requirements, legal obligations, or substantive regulatory content."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification","history":"/api/acts/ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification/history","analysis":"/api/acts/ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification/analysis","conflicts":"/api/acts/ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification/conflicts","importantCases":"/api/acts/ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification/important-cases","documents":"/api/acts/ad-hs-125-4-cabin-pressure-safety-and-inward-relief-valve-modification/documents"}}