Lesson 5 – Rime Ice, Clear Ice, Mixed Ice, And SLD http://media.blubrry.com/acp/traffic.libsyn.com/aviationcareerspodcast/Practical_Guide_To_Winter_Flying_Video_Part_5.mp4 Video Length: 06:14 In this lesson, Len and Carl talk about the 4 kinds of in-flight icing: rime ice, clear ice, mixed ice, and supercooled liquid/large droplets.