The upgraded MALE design named Pegasus II (Block I), was introduced in 2005. It featured advanced electronics, an increased fuselage length of 4.3 meters (14.1 feet), increased wingspan 6.2 meters (20.34 feet), takeoff load of 250 kg (551 lb) and increased autonomy of 15 hours. From the 16 units initially produced by  the State Aircraft Factory (KEA) and HAI between 2005 and 2007, four units remain operational including the ground stations and equipment.
The upgraded Pegasus II MALE aircraft, designated Block I, was introduced in 2005. It featured advanced technology, a longer body of 4.3 meters (14.1 feet), wider wingspan of 6.2 meters (20.34 feet), takeoff weight of 250 kg (551 lb) and increased endurance of 15 hours. Of the initial 16 units produced by KEA and HAI between 2005 and 2007, four remain operational, including ground stations and equipment.