Vendors
Saab
Sweden
Swedish defence and aerospace group whose Digital Air Traffic Solutions unit sells digital towers. Its system went into the first production remote tower, at Örnsköldsvik in 2015.
27 sitesFrequentis
Austria
Austrian communications and tower systems supplier. Frequentis USA received FAA system design approval, with conditions, on 2 September 2026.
18 sitesKongsberg
Norway
Norwegian defence and technology group. Core developer of the remote tower system behind Avinor's NINOX programme and the NAV CANADA DAATS framework contract (through Kongsberg Geospatial).
25 sitesIndra
Spain
Spanish defence and air traffic management supplier. Works with Kongsberg on Avinor's Bodø centre and supplies the Fintraffic multi-airport centre, HungaroControl's Budapest centre and AlUla.
25 sitesSearidge Technologies
Canada
Ottawa-based digital tower and apron vision company, partly owned by NATS. Supplier at Vigo, Hong Kong, Manchester, Farnborough, Heathrow and the Changi prototype.
7 sitesAdacel
Canada
Air traffic simulation and automation company. Took over the remote tower technology developed by Cybernetica for EANS in 2022.
5 sitesFerroNATS
Spain
Spanish air navigation services joint venture of Ferrovial and NATS. Delivery partner with Searidge at Vigo.
1 sites