Is it possible to experience icing at temperatures above freezing?

Prepare for the Instrument Rating Ground 28 Doc Exam with interactive quizzes. Check your understanding with multiple choice questions, detailed explanations, and expert insights to ensure your success!

Icing can indeed occur at temperatures above the freezing point, particularly under certain atmospheric conditions. When moist, supercooled water droplets are present in the clouds, they can remain in a liquid state even when the temperature is above freezing. When an aircraft passes through this environment, these droplets can freeze upon contact with the aircraft's surfaces, leading to icing.

The choice indicating that icing can occur at +2 degrees Celsius recognizes this phenomenon. This situation is more pronounced when clouds contain significant moisture and when the aircraft is flying through them at the right altitude and temperature conditions. In addition, factors such as humidity levels and the size of the water droplets can affect the likelihood and severity of icing.

While other options dismiss the possibility of icing above freezing, they don’t take into account the specific atmospheric conditions that allow supercooled water to exist. Therefore, the correct answer acknowledges the more complex nature of atmospheric conditions that can lead to icing.

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