The Bulgarian Air Traffic Services Authority, BULATSA has completed factory acceptance testing of its Micro Nav 3D tower and radar simulator. The simulator is due to be installed in the Sofia control centre during July of this year. The contract includes: 16 dual-role radar and tower controller workstations; a tower simulator with four controller positions and a 10 channel panoramic 3D display using large LCD panels in portrait mode; 16 pseudo-pilot workstations; the Fast Airport Builder and 3D modelling tools; speech recognition and synthesis; part-task trainers and a comprehensive package of user training, project services and support equipment.