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MiG-31 Foxhound vs Su-15 Flagon

MiG-31 Foxhound vs Su-15 Flagon at a glance — top speed 3,000 vs 2,230 km/h, range 3,000 vs 1,700 km, max takeoff weight 46,200 vs 17,900 kg, built 519 vs 1,290 units.

Mikoyan MiG-31 Foxhound combat aircraft side profile drawing
🇷🇺 MiG-31 Foxhound
Sukhoi Su-15 Flagon combat aircraft side profile drawing
🇷🇺 Su-15 Flagon
Specifications
MiG-31 Foxhound Su-15 Flagon
Origin country 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Combat Aircraft Combat Aircraft
Manufacturer Mikoyan Sukhoi
First flight 16 September 1975 30 May 1962
Year introduced 1981 1965
Number produced 519 units 1290 units
Average unit price $55 million $4 million
Wing area 61.6 m² 36.6 m²
Wingspan 13.5 m 9.4 m
Height 6.2 m 4.8 m
Length 22.7 m 19.6 m
Maximum speed 3000 km/h 2230 km/h
Operational range 3,000 km 1,700 km
Service ceiling 20,600 m 18,100 m
Max. takeoff weight 46,200 kg 17,900 kg
Empty weight 21,830 kg 10,760 kg
Total thrust 2 x 15,500 kgf 2 x 7,138 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the MiG-31 Foxhound or Su-15 Flagon?
The MiG-31 Foxhound is faster with a maximum speed of 3,000 km/h compared to the Su-15 Flagon's 2,230 km/h, a difference of 770 km/h.
Which has longer range, the MiG-31 Foxhound or Su-15 Flagon?
The MiG-31 Foxhound has a longer range at 3,000 km compared to the Su-15 Flagon's 1,700 km.
Which can fly higher, the MiG-31 Foxhound or Su-15 Flagon?
The MiG-31 Foxhound has a higher service ceiling at 20,600 meters (67,585 ft) compared to the Su-15 Flagon's 18,100 meters (59,383 ft).
Which is heavier, the MiG-31 Foxhound or Su-15 Flagon?
The MiG-31 Foxhound has a higher maximum takeoff weight at 46,200 kg compared to the Su-15 Flagon's 17,900 kg.
Which is larger, the MiG-31 Foxhound or Su-15 Flagon?
The MiG-31 Foxhound is longer at 22.7 meters compared to the Su-15 Flagon's 19.6 meters.
Which is more expensive, the MiG-31 Foxhound or Su-15 Flagon?
The MiG-31 Foxhound is more expensive at approximately $55 million per unit compared to the Su-15 Flagon at $4.0 million.
Which entered service first, the MiG-31 Foxhound or Su-15 Flagon?
The Su-15 Flagon entered service first in 1965, 16 years before the MiG-31 Foxhound which entered service in 1981.
Which has been built in greater numbers, the MiG-31 Foxhound or Su-15 Flagon?
The Su-15 Flagon has been produced in greater numbers with 1,290 units compared to 519 units of the MiG-31 Foxhound.