I'm thinking apply for IFATC

[azeeuwnl]

Apart from the good info on Transition altitude, here’s a tutorial for your reference

Assigning a Transition Altitude

Much has been written about this, but still I get a lot of questions from trainee ATCs. This topic is about: what transition altitude does the ATC assign to an aircraft. Mark has written a tutorial for pilots, on when, and when not to request a Transition. What we see in Mark’s post, is that you only request a transition, when you are passing through an airport’s airspace. Above 5000 AAL (Above Aerodome Level), don’t contact Tower! For ATC’s to know what altitude to assign to an aircraft wh…

As you’ve gone over the ATC tutorials it may be a good idea for you to open an ATC tracking thread. Search this forum for some great examples. This can help you get practical experience and you’ll get some constrictive feedback.