Mikoyan MiG-31

Mikoyan MiG-31 is a supersonic interceptor aircraft. The MiG-31 was designed by the Mikoyan design bureau based on the MiG-25 “Foxbat”.

MiG-31 is a large twin-engine aircraft with side-mounted air intakes, a shoulder-mounted wing with an aspect ratio of 2.94, and twin vertical tailfins. MiG-31 has the rear occupied by a dedicated weapon systems officer.

Role : Interceptor aircraft
Manufacturer : Mikoyan
First flight : 16 September 1975
Introduced : 1982
Status : Active service
Primary users : Russian Air Force, Kazakhstan Air Force
Number built : 500
Unit cost : US$57-60 million
Developed from : Mikoyan-Gurevich MiG-25

Mikoyan MiG-31 Specifications

General characteristics

  • Crew: Two (pilot and weapons system officer)
  • Length: 22.69 m (74 ft 5 in)
  • Wingspan: 13.46 m (44 ft 2 in)
  • Height: 6.15 m (20 ft 2 in)
  • Wing area: 61.6 m² (663 ft²)
  • Empty weight: 21,820 kg (48,100 lb)
  • Loaded weight: 41,000 kg (90,400 lb)
  • Max takeoff weight: 46,200 kg (101,900 lb)
  • Powerplant:2 × Soloviev D-30F6 afterburning turbofans
    • Dry thrust: 93 kN (20,900 lbf) each
    • Thrust with afterburner: 152 kN (34,172 lbf) each

Performance

  • Maximum speed:
    • High altitude: Mach 2.83 (3,000 km/h, 1,860 mph)
    • Low altitude: Mach 1.2 (1,500 km/h, 930 mph)
  • Combat radius: 720 km (450 mi) at Mach 2.35
  • Ferry range: 3,300 km (2,050 mi)
  • Service ceiling: 20,600 m (67,600 ft)
  • Rate of climb: 208 m/s (41,000 ft/min)
  • Wing loading: 665 kg/m² (136 lb/ft²)
  • Thrust/weight: 0.85
  • Maximum g-load: 5 g

Armament

  • 1× GSh-6-23 23 mm cannon with 260 rounds.
  • Fuselage recesses for 4× R-33 (AA-9 ‘Amos’) (or for MiG-31M/BM only 6× R-37 (AA-X-13 ‘Arrow’) long-range air-to-air missiles)
  • 4 underwing pylons for a combination of:
  • 2× R-40TD1 (AA-6 ‘Acrid’) medium-range missiles, and[clarification needed]
  • 4× R-60 (AA-8 ‘Aphid’) or
    • 4× R-73 (AA-11 ‘Archer’) short-range IR missiles, or
    • 4× R-77 (AA-12 ‘Adder’) medium-range missiles.
  • Some aircraft are equipped to launch the Kh-31P (AS-17 ‘Krypton’) and Kh-58 (AS-11 ‘Kilter’) anti-radiation missiles in the suppression of enemy air defenses (SEAD) role.
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