About the S 100B Argus Manufactuer: Saab Aircraft AB Airframe: Based on the Saab 340B twin turbo-prop commuter aircraft. Power plant: Two General Electric CT7-9B turboprop engines with four-blade, constant-speed propellers. Horsepower: 1,394-kw (1,8070-shp) per engine. Length: 60 feet 4 inches (20.46 meters). Wingspan: 70 feet 4 inches (21.44 meters). Height: 22 feet 11 inches (6.97 meters). Radar: Ericsson Erieye PS-890 S-Band, frequency-agile, pulse-Doppler radar system. Nicknames: "Argus" Primary function: AEW Operational: November 1997 Rotodome: A 1,984-lb (900-kg) dorsal antenna is housed in a 29-ft 6.3-in (9-m) long box radome mounted atop the fuselage. Maximum takeoff weight: 29,000 lb (13,155 kg) Maximum speed: 250 knots (463 km/h). Aircraft Ceiling: 31,000 feet (9,450 meters). Operating Altitude: 25,000 feet (7,620 m) Endurance: 7 hours Range: (unknown) Radar range: 190 nm (350 km) for a fighter sized target with an outer detection range of 280 to 310 nm (450 to 500 km) Armament: None Crew size: Between two to five aircrew.