The full requirements can be found here:
http://www.eurocontrol.int/safety/ga...library/L4.pdf
pdf file so may take while to load if your connection is slow.
It's not always easy to tell though, I for example have eczema, that I would not class as severe. But it's hard to tell if that's the same thing a doctor will say. But since I just passed stage 3 I guess I'll find out
