The Mikoyan-Gurevich MiG-21 (Russian: Микоян и Гуревич МиГ-21; NATO reporting name: Fishbed) is a supersonic jet fighter and interceptor aircraft, designed by the Mikoyan-Gurevich Design Bureau in the Soviet Union.

Data for MiG-21bis with engine R-25-300: Maximum speed at 13,000 meters (42650 feet) of altitude: 1174 knots (2,174 km/h, 1351 mph, Mach 1.76). Maximum speed at sea level: 700 knots (1,296 km/h, 806 mph, Mach 1.05).

The ultimate development of the MiG-21, fitted with the Tumanskiy R25-300 turbojet engine and a great number of other advances over previous types. Those MiG-21bis for the Soviet PVO (Air Defence Force) were equipped with the Lazur GCI system (NATO: "Fishbed-L"), while those for the Soviet Air Force were fitted with the Polyot ILS system (NATO ...

Apr 11, 2019 · Mikoyan and Gurevich’s design bureau had chosen a single gaping nose air intake for the MiG-21’s engine because of its simplicity and efficiency, but this severely limited the airplane’s ability to carry its own radar.

The MiG-21bis has a 6,535-lb (7,500-kg) static thrust Tumansky R-25 engine and improved avionics, including a Swift Rods** instrument landing system (ILS) antenna. R-25-engined aircraft have...

Three generations of engines with several subversions were built in the MiG-21 during 25 years of manufacturing. Because of the limitations set by the fuselage there were only minor external differences between the different generations. Engine of the first MiG-21 generation: R11. R11 (part cutaway) from the left ... ... and from the right.

However, the MiG-21 long suffered from short range, small payload, and poor avionics suite. Later models were improved with more powerful and fuel efficient engines, radar, and ground attack capability increasing the aircraft's versatility and effectiveness.

Jan 1, 2020 · The MiG-21, known by its NATO moniker as the Fishbed, is a single engine jet fighter produced by the Mikoyan-Gurevich Design Bureau as an improvement on prior generations of the MiG-17 and MiG-19. Both had been used to great effect in both the Korean War and the Vietnam War but, surprisingly, the MiG-21 has been flying since 1953.

Sep 29, 2023 · Page details technical specifications, development, and operational history of the Mikoyan-Gurevich MiG-21 (Fishbed) Single-Seat Supersonic Fighter Aircraft including pictures.

The described engine is a modified version of the basic R-11 engine (R-11-37F-2S, short: R-11), the one of the MiG-21PFM/SPS/some M's and MiG-21US (Type 94, Type 68). However, it is very similar to the one (R-13F25-300, short: R-13) used in MiG-21MF.