Originally Posted by
lomapaseo
What surprises me is that this discussion makes no distincttion between upper wing skin icing vs underside wing frost. Both may be do to the same cause (cold soaked fuel) but unless you have visible precip below 10C there is little concern for upper skin icing even with cold fuel if enough ulage clearance above the fuel level is present.
So I am perplexed what the big deal is with under-wing frost in the tropics?
Not sure anyone was making a big deal of under-wing icing ..but I’m sure there has been at least one mention of
upper wing skin icing due to the lack of ulage clearance and the problems that caused..
