Countries including Sweden, Norway, Ireland, Switzerland, Germany Thailand, Australia and New Zealand have an interest in using “remote towers” to control air traffic, according to Saab, which is already certifying one such facility in Sweden. The company is also competing to provide facilities for three airports in Germany and up to 75 in Norway. 
At a briefing at the Farnborough Airshow on July 17, Per Ahl, Saab vice president of air traffic management, said the company is seeing increasing acceptance of the remote tower concept, which combines the ATC functions of remote or multiple smaller airports and heliports at one centrally located remote tower center (RTC). Cameras and sensors installed at the airports feed imagery and information to controllers at the RTC, where it is streamed live on LCD displays. A Saab system configuration consists of fixed cameras, pan/tilt/zoom optical and infrared cameras, a signal light gun to direct pilots and an acoustic sensor. Frequentis of Austria and Nav Canada also supply systems.
Read more: AIN Online
