{"id":"F2006B04106","name":"AD/BEECH 60/45 Amdt 1 - Aircraft Flight Manual, Flight into Icing Conditions","slug":"ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43789,"registerId":"commonwealth-F2006B04106-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# ![](image.002.png)![](image.002.png)AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/BEECH 60/45 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.","sortOrder":0},{"sectionNumber":"AD/BEECH 60/45","sectionType":"part","heading":"AD/BEECH 60/45","content":"# AD/BEECH 60/45\n\nAmdt 1\n\n  \n\nAircraft Flight Manual, Flight into Icing Conditions\n\n  \n7/2000","sortOrder":1},{"sectionNumber":"\"WARNING\"","sectionType":"part","heading":"\"WARNING\"","content":"# \"WARNING\"\n\nSevere icing may result from environmental conditions outside of those for which the aircraft is certificated.\n\nFlight in freezing rain, freezing drizzle, or mixed icing conditions (super cooled liquid water and ice crystals) may result in:\n\n    ice build-up on protected surfaces and exceed the capability of the ice protection system, or\n\n    may result in ice forming aft of the protected surfaces.\n\nThis ice may not be shed using the ice protection systems, and may seriously degrade the performance and controllability of the aircraft.\n\nDuring flight, severe icing conditions that exceed those for which the aircraft is certificated shall be determined by the visual cues described below. If one or more of these visual cues exists, immediately request priority handling from Air Traffic Control to facilitate a route or an altitude change to exit the icing conditions. The cues are:\n\n    unusually extensive ice accumulation on the airframe and windscreen in areas not normally observed to collect ice, and/or\n\n    accumulation of ice on the upper surface of the wing aft of the protected area, and/or\n\n    accumulation of ice on the engine nacelles and propeller spinners farther aft than normally observed.","sortOrder":2},{"sectionNumber":"THE FOLLOWING WEATHER CONDITIONS MAY BE ","sectionType":"part","heading":"THE FOLLOWING WEATHER CONDITIONS MAY BE CONDUCIVE TO SEVERE IN-FLIGHT ICING:","content":"# THE FOLLOWING WEATHER CONDITIONS MAY BE CONDUCIVE TO SEVERE IN-FLIGHT ICING:\n\n    Visible rain at temperatures below 0 degrees Celsius ambient air temperature;\n    Droplets that splash or splatter on impact at temperatures below 0 degrees Celsius ambient air temperature.","sortOrder":3},{"sectionNumber":"PROCEDURES FOR EXITING A SEVERE ICING","sectionType":"part","heading":"PROCEDURES FOR EXITING A SEVERE ICING","content":"# PROCEDURES FOR EXITING A SEVERE ICING\n\nENVIRONMENT: (These procedures are applicable to all flight phases from take-off to landing.)\n\nMonitor the ambient air temperature.\n\nWhile severe icing may form at temperatures as cold as \\-18 degrees Celsius, increased vigilance is warranted at temperatures around freezing when visible moisture is present.","sortOrder":4}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"The instrument explicitly revokes the prior AD and issues an amended AD that replaces previous instructions with updated AFM warnings and specified in‑flight visual cues and exit procedures, applying across all flight phases and formalising pilot actions and ATC interactions."},"complexity_factors":["Narrow technical scope: applies to a specific aircraft AD (Beech 60/45), reducing cross-industry complexity.","Regulatory revocation/replacement: revokes prior AD and issues an amendment, requiring stakeholders to track version changes.","Operational prescription: specifies visual cues and pilot actions (monitoring, ATC priority request, route/altitude change) which require judgement in real time.","Broad phase applicability: procedures apply to all flight phases (take-off to landing), increasing situational coverage for crews.","Compliance elements: requires updating the Aircraft Flight Manual and likely training, creating administrative and training costs for operators.","Enforcement discretion: issued and enforced by a CASA delegate under CAR 1998 subregulation 39.1(1), leaving regulatory discretion in implementation and timing."],"plain_english_summary":"This AD replaces the earlier Beech 60/45 directive and requires the Aircraft Flight Manual be updated with warnings and mandatory procedures for severe in‑flight icing. It affects owners, operators and flight crew of the specified Beech aircraft by requiring monitoring for particular visual cues, requesting priority handling from ATC, and changing route or altitude to exit icing. The CASA delegate (under CAR 1998 subregulation 39.1(1)) enforces compliance; operators pay for manual changes and any related pilot training."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment appears to maintain the original scope of the Airworthiness Directive. It is Amendment 1 to AD/BEECH 60/45, suggesting it updates or refines the original directive rather than expanding its scope. The content remains focused on the specific safety issue of flight into icing conditions for the Beechcraft 60 aircraft type, consistent with the original purpose of addressing unsafe conditions in aircraft operations."},"complexity_factors":["Very short document (approximately 400 words)","No defined terms section or interpretation provisions","No cross-references to other legislation beyond a single mention of CAR 1998 subregulation 39.1(1)","Simple conditional structure: if you see these visual cues → take this action","Straightforward applicability (single aircraft type: Beechcraft 60)","Clear compliance requirement (immediate action when conditions met)","Primarily operational guidance rather than complex legal drafting"],"plain_english_summary":"This CASA safety directive for Beechcraft 60 aircraft warns that freezing rain, drizzle, and mixed ice/water conditions can produce hazardous ice beyond the reach of the aircraft’s anti‑ice systems. It requires pilots to take immediate action if they observe abnormal ice accumulation and to request ATC assistance to change altitude or routing to escape the conditions. It affects pilots, operators, and maintenance crews because unseen ice can severely degrade control and the original manual under‑warned the risk."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions","history":"/api/acts/ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions/history","analysis":"/api/acts/ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions/analysis","conflicts":"/api/acts/ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions/conflicts","importantCases":"/api/acts/ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions/important-cases","documents":"/api/acts/ad-beech-60-45-amdt-1-aircraft-flight-manual-flight-into-icing-conditions/documents"}}