Hoar frost forms on an aircraft as a result of:

Question

Question ATPL - Airline Transport Pilot license - Meteorology

QuizVDS · Accepted Answer

Water vapour turning directly into ice crystals on the aircraft surface.

QuizVDS · Answer

Freezing rain striking the aircraft.

QuizVDS · Answer

Droplets forming on the aircraft and then freezing.

QuizVDS · Answer

Small super-cooled droplets striking the aircraft.

Id 159 - ATPL - Hoar frost forms on an aircraft as a result of: