This is the homepage of Swiss Air-Data System products, created and maintained by Simtec AG. Simtec AG develops, manufactures and sells air data systems, pitot-static probes, pitot-static tubes, 5-hole probes, multi-hole probes, flight-test booms, total temperature probes (TAT), flow vanes, AoA vanes (alpha-vanes, angle of attack vanes) and AoS vanes (beta-vanes, angle of side-slip vanes) and smart multi-function probes. Simtec operates its own wind-tunnel and calibration laboratory and is EN910