Mikoyan MiG-31BM Foxhound
Overview
The MiG-31BM Foxhound represents Russia's premier long-range interceptor, designed to defend vast airspace against cruise missiles, bombers, and low-observable targets at extreme ranges. Based on the 1980s-era MiG-31, the BM variant incorporates comprehensive modernization including upgraded Zaslon-AM phased array radar, enhanced avionics, and compatibility with modern hypersonic weapons like the Kinzhal missile. Strategically, the MiG-31BM serves as the backbone of Russia's aerospace defense, particularly critical for monitoring the Arctic approaches and vast Siberian territories where ground-based radar coverage is sparse. Its ability to operate at Mach 2.83 and engage targets at 300km range while coordinating with other interceptors through datalink makes it uniquely suited for Russia's geographic challenges. The platform's design philosophy prioritizes raw performance over maneuverability - it's built to reach distant targets quickly rather than dogfight. Twin D30-F6 engines provide the power needed to sustain high-speed cruise, while the large airframe accommodates powerful radar and substantial fuel capacity for 1,500km combat radius operations. In the current threat environment, the MiG-31BM has gained renewed relevance as a hypersonic weapons carrier and counter-stealth platform. Its modernized radar can reportedly track F-22/F-35 class targets, while Kinzhal integration provides Russia with air-launched hypersonic strike capability against high-value targets including aircraft carriers and fixed installations.
Deployment Map
Home ports from known hull assignments. Operating areas reflect typical AORs — individual deployments will vary.
Timeline
Specifications
Armament
Primary long-range interceptor missile
Modern AMRAAM equivalent
Mach 10+ hypersonic strike weapon
260 rounds, 10,000 rpm
Operational Patterns
Typical Deployment
Long-range intercept patrols, hypersonic strike missions
Typical Task Group
Operates in pairs for mutual support and extended radar coverage
Readiness
Estimated 60-70% readiness rate due to maintenance complexity and parts availability
Key Operating Areas
Peer Comparison Matrix
F-15EX more maneuverable and modern avionics, MiG-31BM faster with longer range and hypersonic weapons
Video angle: Speed vs agility: Arctic interceptor vs multi-role fighter comparison
F-22 has stealth and superior maneuverability, MiG-31BM has speed, range, and anti-stealth radar claims
Video angle: Stealth vs speed: Can the Foxhound hunt the Raptor?
J-20 emphasizes stealth and agility, MiG-31BM focuses on raw speed and range
Video angle: Russia vs China interceptor philosophy comparison
Typhoon more agile with modern electronics, MiG-31BM has speed advantage and hypersonic weapons
Video angle: NATO's northern flank defense vs Russian Arctic interceptor
Combat History
First successful test of Kh-47M2 Kinzhal hypersonic missile from MiG-31BM
Demonstrated Russia's air-launched hypersonic capability
First combat use of Kinzhal missile against underground weapons storage in Deliatyn
First operational use of air-launched hypersonic weapon in combat
Multiple Kinzhal strikes against Ukrainian infrastructure and military targets
Operational validation of hypersonic strike capability
Known Vulnerabilities
Maneuverability
Large, heavy interceptor with limited dogfighting capability and high IR signature
Context: Vulnerable to modern fighters in close combat, particularly F-22/F-35 with stealth advantage
Mitigation: Relies on long-range engagement and avoiding close combat
Electronic warfare
Older electronic systems vulnerable to modern jamming despite upgrades
Context: Western EW capabilities can potentially degrade radar effectiveness
Mitigation: BSM upgrade includes improved EW resistance
Logistics
Complex, maintenance-intensive platform with limited spare parts production
Context: Sanctions impact on Western components affects readiness rates
Mitigation: Import substitution program for critical components
Variants
| Variant | Designation | Years | Count | Status | Key Changes |
|---|---|---|---|---|---|
| MiG-31 | Original production | 1981-1994 | 280 | mostly retired | Original interceptor with Zaslon radar, R-33 missiles |
| MiG-31B | Improved variant | 1990-1994 | 192 | active | Enhanced radar, improved avionics, R-37 compatibility |
| MiG-31BM | Modernized variant | 2010-present | 110 | active | Zaslon-AM PESA radar, digital cockpit, R-37M missiles, Kinzhal compatibility |
| MiG-31BSM | Latest upgrade | 2020-present | 20 | building | Further avionics improvements, enhanced EW suite |
Fleet Roster (1)
| Hull | Name | Variant | Commissioned | Home Port | Status |
|---|---|---|---|---|---|
| Various | Active MiG-31BM fleet | BM/BSM | 2010-present | Multiple bases across Russia | active |
Modernization Programmes
MiG-31BM upgrade program
Comprehensive modernization of existing MiG-31 fleet with new radar, avionics, weapons compatibility
Impact: Extends service life to 2030s, adds hypersonic weapons capability
MiG-31BSM standard
Latest upgrade standard with enhanced electronic warfare suite and improved datalink
Impact: Improved survivability against modern air defenses
Frequently Asked
How many Mikoyan MiG-31BM Foxhound are in service?
1 Mikoyan MiG-31BM Foxhound are currently in service with Russian Aerospace Forces.
When was the first Mikoyan MiG-31BM Foxhound commissioned?
The first Mikoyan MiG-31BM Foxhound entered service in 2010.
Who builds the Mikoyan MiG-31BM Foxhound?
The Mikoyan MiG-31BM Foxhound is built by Nizhny Novgorod Aircraft Building Plant (SOKOL).
What variants of the Mikoyan MiG-31BM Foxhound exist?
Known variants include: MiG-31, MiG-31B, MiG-31BM, MiG-31BSM.
How much does a Mikoyan MiG-31BM Foxhound cost?
Unit cost is approximately $45M per hull.
Watch Mikoyan MiG-31BM Foxhound in Action
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