Airports are complex systems, composed by a multitude of enterprises, concessionaires, retail shops, airlines, service companies, public agencies (air traffic control, customs and border control) and public safety organizations. With the term "SMART airport" we intend the ensemble of solutions, devices and services that optimize and automate the usage of airways and airspace infrastructures,checkpoints, passengers-luggage-cargo control system, info points and internal communications of the airports and also smart connections with technologies similar with the smart cities.