{"id":"F2006B04143","name":"AD/BEECH 65/46 - Fire Shield Installation - Inspection","slug":"ad-beech-65-46-fire-shield-installation-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43870,"registerId":"commonwealth-F2006B04143-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 65/46 - Fire Shield Installation - 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 65 and 70 (Queen Air) Series Aeroplanes\n\n \n\nAD/BEECH 65/46 Fire Shield Installation - Inspection 4/76\n\nApplicability: Model 65-B80 with S/Nos. LD-476 to LD-502 & LD-504. Document:  1. Beechcraft SI No. 0771-065, or\n\n2. FAA AD 75-25-04, Amendment 39-2449.\n\n \n\nCompliance: Within 50 hours’ time in service after 16 April 1976.\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":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The provided text prescribes a targeted inspection for specified Model 65-B80 serial numbers and sets a single compliance window. The instrument itself does not indicate any change to that scope from an earlier intent; it defines applicability and a deadline and delegates inspection procedure to the referenced Beechcraft Service Instruction or FAA AD. There is no information in the text that shows the scope has been expanded or narrowed relative to any prior instrument."},"complexity_factors":["Narrow applicability limited to Model 65-B80 with specific serial numbers (LD-476 to LD-502 & LD-504) — reduces scope complexity.","Clear, single compliance action and fixed deadline (50 hours' time in service after 16 April 1976) — simplifies requirements.","Dependence on external technical documents (Beechcraft SI No. 0771-065 or FAA AD 75-25-04 Amendment 39-2449) — adds procedural complexity because operators must obtain and follow those documents.","Technical nature of the subject (aircraft fire shield installation) requires trained maintenance personnel — operational complexity despite legal simplicity.","No procedural detail or rationale in the text — operators must rely on the referenced documents for execution, increasing interpretive dependency."],"plain_english_summary":"This Airworthiness Directive, issued under Civil Aviation Regulations Part 39, mandates a one‑time inspection of the Fire Shield installation on Beechcraft Model 65‑B80 aircraft (S/N LD‑476 to LD‑502 and LD‑504). Owners/operators must perform the inspection within 50 hours TIS after 16 April 1976 using the referenced Beechcraft Service Instruction or FAA AD.\n\nThe owner/operator pays for the inspection and any corrective work. Compliance is required to maintain legal airworthiness."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue airworthiness directive from 1976 addressing a specific fire shield installation defect in a narrow serial number range. It has not expanded beyond its original technical safety purpose. The scope remains precisely targeted at the identified airworthiness risk."},"complexity_factors":["Extremely short document — only 4 substantive lines of regulatory text","Zero defined terms within the instrument itself (relies entirely on external technical documents)","Simple conditional structure: single applicability criterion (specific model + serial number range)","Single compliance deadline with clear metric (50 hours time in service)","No nested exceptions, cross-references to other legislation, or procedural sub-requirements","References external technical standards rather than embedding them (common aviation practice but keeps the legal instrument simple)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) for specific aircraft.\n\n**What it does:**\nOrders owners and operators of certain Beechcraft Queen Air aeroplanes (specifically Model 65-B80 with serial numbers LD-476 through LD-502, plus LD-504) to inspect and address a fire shield installation issue.\n\n**Who it affects:**\n- Owners and operators of the specific Beechcraft 65-B80 aircraft listed\n- Maintenance engineers working on these aircraft\n\n**What must be done:**\nThe inspection must be completed **within 50 hours of flying time** after 16 April 1976. The technical details of what to inspect are found in two reference documents:\n- Beechcraft Service Instruction No. 0771-065, or\n- FAA Airworthiness Directive 75-25-04 (the American equivalent that Australia is adopting)\n\n**Why it matters:**\nFire shields are critical safety barriers that protect the aircraft and occupants from engine fires. This directive addresses a known defect or potential failure mode that could compromise fire protection. Non-compliance means the aircraft cannot legally fly — it's grounded until fixed.\n\n**Key point:** This is a **time-limited, model-specific safety mandate** from 1976 that remains part of the ongoing airworthiness requirements for these particular aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-65-46-fire-shield-installation-inspection","history":"/api/acts/ad-beech-65-46-fire-shield-installation-inspection/history","analysis":"/api/acts/ad-beech-65-46-fire-shield-installation-inspection/analysis","conflicts":"/api/acts/ad-beech-65-46-fire-shield-installation-inspection/conflicts","importantCases":"/api/acts/ad-beech-65-46-fire-shield-installation-inspection/important-cases","documents":"/api/acts/ad-beech-65-46-fire-shield-installation-inspection/documents"}}