Credits
Programming: robin_be
Mapping: adalarda, Jenis, Nati_Mage, Tariska, robin_be
See the airport articles (Category: Airports) to see who mapped what airport. If not mentioned, it's probably robin_be.
Brand graphics: Jenis
Beta testers: adalarva, dipa, Jenis, ...
Special thanks: Nati_Mage, Sunpy, SA-MP team
Inspiration and ideas: San Andreas Pilots (SAP) server, Pilot's Life (PL) server