The most dangerous icing occurs in clouds at temperatures

  1. -10°C to -20°C
  2. 0°C to +10°C
  3. -20°C to -40°C
  4. 0°C to -10°CCorrect answer

Explanation

The most dangerous type of icing is clear ice (glaze), which forms when large supercooled water droplets strike the airframe and spread before freezing.

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