Si ATM has since 1981 provided complete Air Traffic Management solutions for operational, training and research and development pruposes. Our services extend beyond product development and system integration. The company was founded by personnel from the Swedish ATM industry with extensive previous experience in the area of Air Traffic Control. This experience came from the participation in the development of the highly sophisticated systems ATCAS and TERCAS, which were produced in Sweden at the end of the 1970′s, and were installed in Sweden and Russia. Si ATM has throughout its existence consequently and systematically focused on activities in the ATM area. Our activities have over the years expanded from solely ATM consultant projects, including upgrades and modernizations to product development. Today we are a company with decades of working experience which we have managed to maintain within a core team of developers and ATC experts. Our products ranges from operative ATC systems to scalable training systems for aerodrome, approach and area control training.