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Thread: How do I determine icing conditions
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Old 13th Dec 2017, 16:21
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NorthSouth
 
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Originally Posted by PDR1
Oh - sorry. In that case here's another handy guide.
"This article...does not consider the formation of frost which is created by sublimation, the process by which water vapour freezes directly onto sub zero surfaces."
A significant omission. Any aircraft left uncovered outside, or pulled out of a hangar into freezing conditions, will accumulate potentially dangerous amounts of ice by sublimation.
Sublimation works the other way too, with ice "burning" off as a result of airspeed. But not something to be relied upon.
NS
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