AT-One is the European ATM research alliance. It combines the strength of DLR’s Institute of Flight Guidance and NLR’s Air Transport Division. Both deliver innovative and independent Air Traffic Management research and implementation support.

AT-One’s more than 260 employees provide customer oriented ATM solutions based on their unique knowledge and skills and is supported by a complete suite of research facilities. The alliance operates from Amsterdam, Braunschweig and Brussels. AT-One is an “Associate Partner to SESAR JU” and a candidate member for SESAR 2020.