I don’t know the specifications for wind layers but looks like it is mandatory to have the surface one set, maybe for ATC to determine the runway in use. If you don’t want to have wind at all, you can always set the speed to 0 kts.
I don’t know the specifications for wind layers but looks like it is mandatory to have the surface one set, maybe for ATC to determine the runway in use. If you don’t want to have wind at all, you can always set the speed to 0 kts.