The European Commission, European Union Aviation Safety Agency, EUROCONTROL, SESAR Deployment Manager and SESAR 3 Joint Undertaking are jointly organising the world's first trajectory-based operations TBO symposium. The aim of the event is to showcase TBO's benefits and the progress being made in the realisation of the global TBO concept. The event will provide a forum for discussion and exchange on all aspects of TBO, including the operational benefits, concept, enablers, and the regulatory and standardisation aspects.