The HAI Pegasus (full name E1-79 ΠΗΓΑΣΟΣ) is an Unmanned Aerial Vehicle (UAV), a product of the Hellenic Aerospace Industry (HAI or EAB from the Greek initials). Its development started in 1979 in collaboration with KETA (Hellenic Air Force Research and Development Center) and its first flight was made in 1982. Its main uses are surveillance and intelligence gathering, The first generation (Pegasus I) had a length of 2.1 meters, wingspan 5 m, maximum speed 160 kilometers/hour, minimum speed 75 km/h, takeoff load 130 kilograms and autonomy 3.5 hours. After initial delays in the relevant program of the Greek Air Force, ten units (including the ground station infrastructure) were produced (a number of them by KEA) to facilitate its performance optimization. By 2003 it was already operational,