Greetings,
This is mainly for my north american buddies, but the rest can still pitch in their .02 (insert currency) worth...
I always thought that TA and TL should be seperated by the appropriate minimum vertical seperation, but I keep seeing documents talking about TL FL180 and TA 18000'. How can those be the "same"? Is it because in the climb pilots change to 2992 passing 18000' (not 17000') and in descent change to altimeter setting through FL180?
Just wondering if it is technically correct to say TL FL180 and TA 18000' at the same time. Looking at some european procedures their TL/TAs are not the same with 1000' seperation between the 2.
