Thank's.

you are right I wanted to write 1.5 hour. I let you modify. Best regards

Thanks for your reply. I'm sorry for my mistake. I know now that OACI is a code with 4 letters. But this airport haven't OACI code because is a small airport ?

Hello Jan I used this link http://www.aero-hesbaye.be/dossiers/Aero/ulm_fr_oaci.html