A two-seat supersonic interceptor, the MiG-31
derivative with an improved Zaslon-A weapons control system, superior long-range
missiles (R-33S), additional missile (the
R-40TD medium-range missiles and R-60 short-range missiles), modernised navigation
computer and new data exchange modes. MiG-31B was equipped with in-flight refuelling system
from airplanes - tankers of Il-78 or Su-24T. Time in flight with drop tanks - 3,6 h, with refuelling - 6-7 hours.
and in-flight refuelling system.
July, 30, 1987 test-pilot Roman Taskaev and test-navigation officer Leonid Popov for the first time in world practice have flown by on a fighter - interceptor above North Pole on a route Monchegorsk - Polus - Anadyr (Chukotka). It has been mass-produced at NGAZ Sokol since 1990.
MiG-31BS - that designation was given to the MiG-31s updated at Sokol plant to the MiG-31B aircraft capabilities, but not equiped with in-flight refuelling system.
In the beginning of 90th years because of shortage of means at Russia Ministry of Defence of purchase of fighters the MiG-31 were stopped. It is constructed more than 500 interceptors, more than 350 from which now are on arms of air force of Russia. Some tens MiG-31 are present also in air force of Kazakhstan.
|NATO code name||Foxhound|
|Dimensions & Weight|
|Overall height, m||6,15|
|Wing Span, m||13,464|
|Wing Area, m2||61,6|
|Wheel base, m||7,113|
|Wheel track, m||3,638|
|Take-off weight, kg||max. (2 drop tank)||46200|
|Internal fuel, kg||16350|
|Engines||2 Turbofan D-30F6|
|Thrust, kgf (kN)||max||9500 (91)|
|in afterburner||15510 (152)|
|Speed, km/h (M=)||max at ground level||1500|
|max at altitude 17500 m||3000 (2,83)|
|Radius of action, km||supersonic (М=2,35)||720|
|subsonic without drop tank||1200|
|subsonic with drop tank||1400|
|subsonic with drop tank and refuelling||2200|
|Ferry range, km||3300|
|Barrage time, h||with drop tank||3,6|
|Practical ceiling, m||20600|
|Take-off run, m||1200|
|Landing run, m||800|
|Cannon||GSh-6-23M six-barrel 23 mm|
|Missiles AA||R-33, R-33S||4|
References and Credits: