I know the PHPVMS only alow 4 ICAO airport code like PANC but dose it also alow like 3 or 2 ICAO Airport code like SRV for Stony River Airport Alaska USA? is there a way i can change it were i can use 3 or 2 ICAO airport code with PHPVMS, and also I need to see how can i change my VER call sign to ERA on my web site when new pilots join.