Question id 487 - Meteorology - ATPL - Airline Transport Pilot license

Flight into supercooled rain, resulting in rime ice formation
Flight into an area outside of clouds where the temperature is below 0°C, resulting in rime ice formation
Flight into freezing rain, resulting in clear ice formation
Flight between two cloud layers, without precipitation, resulting in clear ice formation

Training tests and timed exam simulations ATPL - Airline Transport Pilot license