> European with E (e.g. EF for Europe-France). EF is Finland actually. The first letter is region code, and Europe is divided into multiple regions. Northern E

> European with E (e.g. EF for Europe-France). EF is Finland actually. The first letter is region code, and Europe is divided into multiple regions. Northern Europe is E, Southern Europe is mostly L (so France is LF). Wikipedia has a nice map showing the different boundarys on it's ICAO airport codes page. https://en.wikipedia.org/wiki/ICAO_airport_code#/media/File:ICAO_FirstLetter.svg https://en.wikipedia.org/wiki/ICAO_airport_code#/media/File:...