Mikoyan MiG-31

Mikoyan MiG-31
Name	MiG-31
Type	Interceptor aircraft
National origin	Soviet Union
Manufacturer	Mikoyan
First flight	16 September 1975
Introduction	6 May 1981
Status	In service
Primary user	Russian Aerospace Forces
Number built	~519
Developed from	Mikoyan-Gurevich MiG-25

Mikoyan MiG-31. The Mikoyan MiG-31 is a supersonic interceptor aircraft developed for the Soviet Air Defence Forces. Designed by the Mikoyan design bureau, it entered service in 1981 as a dedicated long-range platform capable of engaging multiple targets in all weather conditions. It remains a cornerstone of Russian and Kazakh air defense networks.

Development

The development of the MiG-31 was initiated in the late 1960s to replace the earlier Mikoyan-Gurevich MiG-25 and counter emerging threats like the B-1 Lancer and AGM-86 ALCM. The program was led by chief designer Gleb Lozino-Lozinskiy and later by Rostislav Belyakov. Key advancements focused on a new RP-31 Zaslon radar system and a two-seat cockpit configuration for a dedicated weapons systems officer. The prototype, designated Ye-155MP, first flew on 16 September 1975 from the Zhukovsky Airfield with test pilot Alexander Fedotov at the controls. State acceptance trials were conducted throughout the late 1970s, leading to formal entry into service with the Soviet Air Defence Forces in 1981.

Design

The MiG-31 is a large, twin-engine aircraft with a blended wing-body design and side-mounted rectangular air intakes. It is powered by two Soloviev D-30F6 afterburning turbofan engines, enabling a maximum speed of Mach 2.83. Its most significant feature is the RP-31 Zaslon passive electronically scanned array radar, the first of its type fitted to a fighter, with a look-down/shoot-down capability. The aircraft is equipped with an APD-518 digital datalink, allowing a flight of four MiG-31s to share radar data under the control of an A-50 AWACS. Its primary armament includes the R-33 long-range air-to-air missile, and it can also carry the R-40, R-60, and R-73. The cockpit features a Zvezda K-36DM ejection seat for both crew members.

Operational history

The MiG-31 entered operational service with the 790th Fighter Aviation Regiment based at Pravdinsk in 1982. It performed extensive patrols along the vast borders of the Soviet Union, particularly in the Arctic and Far East. Following the dissolution of the Soviet Union, the fleet was inherited by Russia and several other former republics. The Russian Aerospace Forces have continuously upgraded the aircraft, with the modernized Mikoyan MiG-31BM variant entering service in the 2010s. In recent conflicts, the MiG-31 has been used to launch the Kh-47M2 Kinzhal hypersonic missile, with deployments noted during the Russian invasion of Ukraine. It has also intercepted numerous USAF and RAF reconnaissance aircraft near Kaliningrad and over the Barents Sea.

Variants

* MiG-31: Initial production variant. * MiG-31B: Upgraded variant with improved R-33S missiles and datalink. * MiG-31BS: Upgrade of early models to B standard. * MiG-31BM: Modernized variant with new RP-31 Zaslon-M radar, multifunction displays, and compatibility with R-77 and Kh-47M2 Kinzhal missiles. * MiG-31K: Modified airframe configured as a dedicated launch platform for the Kh-47M2 Kinzhal. * MiG-31D: Experimental variant designed to carry an anti-satellite missile. * MiG-31I (Istrebitel Sputnikov): Proposed successor to the MiG-31D for the Kontakt anti-satellite system.

Operators

* Current Operators: ** Russia – Russian Aerospace Forces (approx. 120+ in service) ** Kazakhstan – Kazakh Air Defense Forces (approx. 30+ in service) * Former Operators: ** Soviet Union – Passed to successor states. ** Syria – Operated a small number briefly in the 1990s.

Specifications (MiG-31)

* Crew: 2 (pilot and weapons systems 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) * Empty weight: 21,820 kg (48,106 lb) * Max takeoff weight: 46,200 kg (101,854 lb) * Powerplant: 2 × Soloviev D-30F6 afterburning turbofan engines * Maximum speed: Mach 2.83 (3,000 km/h, 1,860 mph) at altitude * Combat range: 1,450 km (900 mi, 780 nmi) at supersonic speed * Ferry range: 3,300 km (2,100 mi, 1,800 nmi) * Service ceiling: 20,600 m (67,600 ft) * Armament: 1 × Gryazev-Shipunov GSh-6-23 cannon, plus external hardpoints for missiles including R-33, R-40, R-60, R-73, and Kh-47M2 Kinzhal.

Category:Mikoyan aircraft Category:Interceptor aircraft Category:Military aircraft of the Soviet Union Category:Cold War military aircraft of the Soviet Union