AT-One is the European ATM research alliance.
The AT-One Consortium is formed by the German Aerospace Center (DLR) and the Netherlands Aerospace Centre (NLR), two of the largest European aerospace research and development organizations. DLR and NLR deliver innovative and independent Air Traffic Management research and implementation support with a focus on integrated simulation, verification and validation. The consortiums expertise is complemented by the associated partner Rohde & Schwarz. The AT-One Consortium is a member of SESAR 2020.
Besides working together in the AT-One Consortium, DLR and NLR combine their strengths as the strategic research alliance AT-One EEIG since 2004. The alliance operates from Amsterdam, Braunschweig and Brussels.