Description:
Saab 37 Viggen is a single-engine, delta-wing, multirole fighter developed in the 1960s as a replacement for Lansen. To meet the Swedish Air Force requirements for a Mach 2 Short Take Off and Landing (STOL) interceptor the Viggen, which translates Thunderbolt, features canard foreplanes. Powered by a Pratt & Whitney JT8D/RM8 turbofan engine manufactured by Volvo its top speed surpasses Mach 2. RM8 engine is rated at 28,000-lb of thrust.
Viggen armament includes a 30mm cannon, AIM-9 Sidewinder, Skyflash, Maverick, AIM-120, RBS-15 missiles, rockets and bombs. Production started in the late 1960s with the Swedish Air Force taking delivery of 110 AJ 37 ground attack models from 1971. SH 37 (26) and SF 37 (26) are reconnaissance variants. SK 37 (18) is a tandem two-seat training variant. JA 37 interceptor was the last production model with 149 aircraft delivered through to 1990.
As of 2004, the Swedish Air Force had 5 twin-seat SK 37 and 10 AJ 37 aircraft operational with Gripens taking their place in the upcoming years.
Specifications Accommodation: Crew 1
Guns: Main Gun Caliber 30 mm
Dimensions: Height 5.9 m, Length 16.4 m, Wingspan 10.7 m
Weights: Max Weight 18,600 kg (41,005 lb), Min Weight 9,500 kg (20,944 lb), Payload 1,700 kg (3,748 lb)
Engine/s Performance: Thrust 28,000 lb (12,701 kg)
Performance: Top Speed 664 mps (Mach 2)
Other: Number of Engines 1
Operators
Sweden / 329
Image Gallery
Notes (*) lead contractor
IOC: Initial Operating Capability
FOC: Full Operating Capability
CEP: Circular Error Probable
Comm: Commissioning Date
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
Shaft-Horse-Power (shp)
Sweden / 329 