{"id":"F2006B04221","name":"AD/BEECH 90/3 Amdt 1 - Tail Unit - Inspection","slug":"ad-beech-90-3-amdt-1-tail-unit-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43977,"registerId":"commonwealth-F2006B04221-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 90/3 Amdt 1 - Tail Unit - Inspection","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)  Beechcraft 90 and 65-90 (King Air) Series Aeroplanes\n\n \n\nAD/BEECH 90/3\n\nAmdt 1\n\n\nTail Unit - Inspection 6/72\n\n \n\nApplicability: Model 65-90, 65-A90 and B90. Document:  Beechcraft SI No. 0086-131.\n\nCompliance: At intervals not exceeding 50 hours’ time in service.\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":1472},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope, continuing to prescribe mandatory tail unit inspections for the specified Beechcraft 90 series models without expanding to additional aircraft types, systems, or operational requirements."},"complexity_factors":["Single, unambiguous operational requirement with no exceptions or nested conditions","Extremely short length (under one page)","External incorporation of technical standards by reference (Beechcraft SI No. 0086-131) without reproducing the actual inspection steps","No definitions section or interpretive provisions"],"plain_english_summary":"**What this requires:** This directive mandates recurring safety inspections for the tail section (tail unit) of specific Beechcraft King Air aircraft models.\n\n**Who must comply:** Owners and operators of Beechcraft Model 65-90, 65-A90, and B90 aeroplanes.\n\n**What you must do:** You must inspect the tail unit at intervals of no more than 50 flight hours (measured as \"time in service\"). The inspection must follow the technical procedures set out in Beechcraft Service Instruction No. 0086-131.\n\n**Why it matters:** Regular inspection prevents structural failures or control system malfunctions in the tail section that could cause loss of aircraft control and endanger passengers and crew."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-90-3-amdt-1-tail-unit-inspection","history":"/api/acts/ad-beech-90-3-amdt-1-tail-unit-inspection/history","analysis":"/api/acts/ad-beech-90-3-amdt-1-tail-unit-inspection/analysis","conflicts":"/api/acts/ad-beech-90-3-amdt-1-tail-unit-inspection/conflicts","importantCases":"/api/acts/ad-beech-90-3-amdt-1-tail-unit-inspection/important-cases","documents":"/api/acts/ad-beech-90-3-amdt-1-tail-unit-inspection/documents"}}