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Mikoyan MiG-31 Foxhound

Mikoyan · Interceptor · Out of production — in service

A Mach 2.8 interceptor built to catch cruise missiles across Siberia.

Length22.62 m
Wingspan13.46 m
Range3,000 km
MTOW46 t
Built519
First flight1975
Our numbers

Derived metrics

Computed by aircraft.fyi from the core specification — see how we calculate these.

Range per tonne#31 of 65
64.9 km/t maximum range ÷ MTOW in tonnes
Span-to-length ratio#63 of 68
0.60 wingspan ÷ fuselage length
Weight per metre#41 of 68
2.04 t/m MTOW ÷ fuselage length
Range in hours#64 of 65
1.0 h maximum range ÷ cruise speed
Sense of scale

How big is it, really?

The Mikoyan MiG-31 Foxhound's wingspan, against things you already know the size of.

Mikoyan MiG-31 Foxhound13.46 m
Football pitch (width)68 m
Blue whale25 m
New Routemaster bus11.2 m
You (probably)1.75 m
Specification

The numbers

Length22.62 m
Wingspan13.46 m
Height6.15 m
MTOW46,200 kg
Max speed3,000 km/h
Range3,000 km
Crew2
First flight1975
Built519

Last verified: 2026-07-20 · Spot an error? business@luck.fyi

The story

What makes it different

One of very few aircraft that can sustain Mach 2.35 in level flight. Carried the first operational electronically scanned radar.

Against a 13.46 m wingspan the Foxhound carries 46,200 kg at maximum takeoff weight and reaches 3,000 km/h. First flight was 1975, and 519 were built.

Common questions

Mikoyan MiG-31 Foxhound — the short answers

How fast is the Mikoyan MiG-31 Foxhound?
The Mikoyan MiG-31 Foxhound cruises at about 3,000 km/h — roughly 1620 knots, or 1,865 mph.
How far can the Mikoyan MiG-31 Foxhound fly?
The Mikoyan MiG-31 Foxhound has a maximum range of about 3,000 km (1,620 nautical miles, 1,865 miles). At its cruise speed that is roughly 1.0 hours in the air.
Is the Mikoyan MiG-31 Foxhound still in production?
Status: Out of production — in service. The Mikoyan MiG-31 Foxhound first flew in 1975, and about 519 have been built.
How big is the Mikoyan MiG-31 Foxhound?
The Mikoyan MiG-31 Foxhound is 22.62 m long with a wingspan of 13.46 m and a height of 6.15 m. Its maximum takeoff weight is 46,200 kg.
Variants

The Mikoyan MiG-31 Foxhound line