Several distinct variants of the Viggen would be produced to perform the roles of fighter bomber/strike fighter (AJ 37), aerial reconnaissance (SF 37), maritime patrol/anti-surface (SH 37) and a two-seat trainer (Sk 37).

Jul 23, 2021 · Similarly, the JA 37D, numbering 35 aircraft, were JA 37s upgraded with new avionics and software and some 20 JA 37Ds followed, upgraded to the JA 37DI standard featuring more modern PS-46/A radar systems and AIM-120 missile support.

Saab 37 "Viggen" Operator country. Sweden. Manufacturers. SAAB. Vehicles by updates. Update 2.41 "Firebirds" Flight performance. Max speed. at 11,000 m 1,998 1,877 2,062 1,924 km/h . Rate of Climb 200 157.8 234.2 168.4 m/s . Turn time 25 27.3 23.5 26.6 s . Max ...

Sep 11, 2021 · Four initial versions of the Viggen would be built – the AJ 37 attack aircraft, the SH 37 for maritime strike, the SF 37 reconnaissance variant and the SK37 two-seat trainer. These all prototyped and entered service in the late-1960s and early 1970s, while the final variant was being developed.

This Viggen was TOC by the Flygvapnet around 1982. In 1993 it then became the prototype for the conversion to JA-37D standard. This was an avionics and software upgrade of the older JA 37 version carried out between 1993 and 1998, of which some 35 airframes were modified.

Jun 1, 2024 · Note: Built in 1981 and modified to Di-version in 2002. This airframe was the first JA327 Viggen modified to Di standard.

Equipped with afterburner with 3 stages: zone 1, zone 2 and zone 3. With zone 3 the aircraft consumed 1 m3 (264 US gallons) of jet fuel per minute. Maximum speed at high altitude: Mach 2.1 (1,400 knots, 1,611 mph, 2,593 km/h). Maximum speed at low altitude: Mach 1.14 (760 knots, 875 mph, 1,410 km/h).

Sep 29, 2021 · JA37 Mod D was conceived in 1992 to enable the Jakt-Viggen to integrate effectively with new Flygvapnet concepts such as the S 100B Erieye airborne command and control system, be capable of co-ordinated operations with the JAS39 Gripen, improve situational awareness and improve survivability.

May 25, 2014 · JA37 Viggen is the only aircraft in the Viggen family equipped with a head-down-display from Smiths Industries. It makes it possible for the pilot to fly in any kind of weather. Totally 329 Viggen were built, 149 of then are JA37´s. Many of the functions in Viggen are automated, to help the pilot and so he can work comfortably.

AJ 37 aircraft are optimized for ground attack with a secondary interceptor role. They feature an Ericsson PS-37/A radar, a digital nav/attack system and a HUD. Conversely the JA 37 models are optimized for interception duties but retain a secondary ground attack role.