Yes, have the pro version. Game has worked flawlessly with the default airports (LAX, PHL, TIST). Assuming I have the latest version of Real Traffic (product version: 2.0.0.39) Was purchased in March.
C:\Program Files (x86)\FeelThere\Tower!3D Pro\Extensions\Airfields contains the KSAN folder with the all the default files used by the other airports, plus:
KSAN_airfield,
KSAN Airfield,manifest
ksan_databases
ksan databases.manifest
ksan menu
ksan_menu.manifest
C:\Program Files (x86)\FeelThere\Tower!3D Pro\Extensions\Airplanes folder contains Texturepacks with airlines_pack1 and pack1.manifest files. Additional Texture pack folders go down another two levels in the file tree containing packs1, 2, & 3 plus associated manifest files.