is a european Air Traffic Management
(ATM) research company formed by the German and Dutch public aerospace research organizations, the German Aerospace Center DLR
and the National Aerospace Laboratory of the Netherlands NLR
. It was founded in 2004 as a strategic alliance and transformed into an EEIG
in 2007. It is located in Amsterdam
, Netherlands and Braunschweig
AT-One is performing research in the fields of air space and en-route traffic management, air-ground integration, arrival, ground and departure management, integrated airport processes, safety and security, validation, environment and policy support and human factors and training.