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Cold Weather Operations (CWO)

Cold Weather Operations (CWO)


Duration: 01:30 hours

Exam: 20 Questions

Available: 90 days


    After completion of the Cold Weather Operation (CWO) course, the successful ap­plicant should be familiar with all aspects of cold weather operations and the respective procedures The training emphasizes the development of all required skills. This course shall qualify applicants to operate in cold wether operations including general knowledge of weather and aerodynamics, approved methods of deicing/anti-icing, holdover time comprehension, ground operations, take-off techniques, climb and cruise and landing techniques under icing conditions.



    • Common standards, regulations and recommendations
    • Basic knowledge of aeroplane performance effects of frost, ice, snow, slush and fluids on aeroplane performance
    • Meteorological considerations on ice formation 
    • Basic characteristics of aeroplane de-icing/anti-icing fluids, including causes and consequences of fluid remaining on surfaces, and dried and/or rehydrated residues
    • General techniques for removing deposits of frost, ice, slush and snow from aeroplane surfaces and for anti-icing
    • De-icing/anti-icing procedures in general and specific measures to be performed on different aeroplane types and de-icing using hot air
    • Aeroplane in general and common critical areas
    • Types of checks required
    • De-icing/anti-icing equipment and facilities operating procedures including actual operation
    • Safety precautions 
    • Fluid application and limitations of holdover time tables 
    • Special provisions and procedures for contract de-icing/anti-icing
    • Conditions which can lead to the formation of ice on the aeroplane
    • Local rules and restrictions
    • Airport operational procedures and ATC
    • Company and customer procedures
    •  De-icing coordination procedures in general
    • Instructional procedures in general

    • All Personnel
    • Flight Crew 
    • Cabin Crew
    • Dispatch
    • Management
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