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Snow and TAT at 10 C

Guest nemo06
Guest nemo06
in The AS16 and ASCA | Active Sky | Active Sky Next | XPAX Support Forum

Featured Replies

Jim why my TAT is wrong?

Jim why my TAT is wrong?
I don't think your TAT is wrong. TAT (total air temperature) measures the temperature that the aircraft "feels", which includes the kinetic energy of the air hitting the plane. The faster you go, the higher your TAT, and TAT is often much higher than OAT (outside air temperature). OAT is the true temperature of the air, and is what determines whether it is cold enough to snow.

I had snow the other day at LIMF with a temperature of +16 degrees with ASE SP1 :(

--

Oliver Smith

Regarding TAT. This is true, and that is exactly why Engine and Wing anti ice has to be on when tat is at or below 10 degrees with visible moisture :)

Tom Link

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