AVTECH Sweden AB (publ) engages in the development and sale of products and services for digital air traffic control systems. The company offers ClearPath, an automatic real-time flight optimization service that calculates the optimal flight path using weather, cost index, and actual weight; Aventus, an optimized flight management computer wind and temperature uplink service to enhance predictions for climb, cruise, and descent; SIGMA, an automatic in-flight weather hazard notification service that tracks and notifies the pilots in real time of weather hazards ahead on the route; and proFLIGHT, an EFB weather and optimization tool. It serves airlines, airports, aviation and technology companies, and aircraft manufacturers. AVTECH Sweden AB (publ) was founded in 1988 and is based in Kista, Sweden.