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Chengdu J-20 vs. Mikoyan MiG-31

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J-20

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MiG-31

Role
All-weather stealthInterceptor
Generation
5th generationNo generation
National Origin
ChinaSoviet Union
Manufacturer
ChengduMikoyan
Price (USD)
$120 Million$33 Million
Primary Users
People's Liberation Army Air ForceRussian Aerospace Forces
First Flight
20111975
Last Production Year
In Production1994
# Units Built
>150519
Status
In ServiceIn Service
Seats
1 (J-20A) / 2 (J-20S)2
Length
21 m69 ft
22 m74 ft
Wingspan
13 m42 ft
13 m44 ft
Wing Area
73 m²785 ft²
61 m²663 ft²
Height
4 m15 ft
6 m21 ft
Empty Weight
17,001 kg37,480 lbs
21,820 kg48,105 lbs
Gross Weight
25,002 kg55,120 lbs
41,000 kg90,390 lbs
MTOW
37,000 kg81,570 lbs
46,198 kg101,850 lbs
Fuel Capacity
11,793 kg26,000 lbs
16,125 kg35,550 lbs
Number of Engines
22
Engine Type
TurbofanTurbofan
Engine Manufacturer
ShenyangSoloviev
Engine Model
WS-10CD-30F6
Dry Thrust
145 kN32,600 lbs
93 kN21,000 lbs
Thrust w/ Afterburner
142 kN32,000 lbf
152 kN34,000 lbf
Max Thrust
284 kN64,000 lbf
304 kN68,000 lbf
Max Speed (Mach)
Mach 2.00Mach 2.83
Top Speed
2,136 km/h1,327 mph
3,058 km/h1,900 mph
Range
2,037 km1,100 nm
2,134 km1,152 nm
Rate of Climb
304 m/s59,800 ft/min
288 m/s56,700 ft/min
Ceiling
20,117 m66,000 ft
24,994 m82,000 ft
G Limit
9 g5 g

What Are the Differences Between the Chengdu J-20 and Mikoyan MiG-31

Chengdu J-20 vs Mikoyan MiG-31 Size Comparison

  • At 22.60 meters, the Mikoyan MiG-31 is 1.40 meters longer than the Chengdu J-20.
  • With a wingspan of 13.50 meters, the Mikoyan MiG-31 is 0.50 meters wider from wingtip to wingtip.
  • The wing area of the Mikoyan MiG-31 is 1.80 meters bigger than that of the Chengdu J-20’s 4.70 meters.

Chengdu J-20 vs Mikoyan MiG-31 Price

  • The Chengdu J-20 is more expensive than the Mikoyan MiG-31, with a unit cost of approximately 120 million compared to the Mikoyan MiG-31’s unit cost of approximately 33 million.

Chengdu J-20 vs Mikoyan MiG-31 Speed

  • The Mikoyan MiG-31 has a top speed of 1,900 miles per hour, and the Chengdu J-20 has a top speed of 1,327 miles per hour. Head to head, this makes the Mikoyan MiG-31 573 miles per hour faster than the Chengdu J-20.

About the Chengdu J-20

The Chengdu J-20 "Mighty Dragon" is China's first fifth-generation, stealth, multi-role fighter aircraft, developed for the People's Liberation Army Air Force (PLAAF). Introduced into service in 2017, the J-20 represents a significant leap forward in Chinese military aviation, designed to secure air superiority and support the strategic objectives of China's defense policy. It combines advanced stealth capabilities, long-range strike potential, and high maneuverability to counter enemy fighters and missile systems effectively.

Production History: The J-20's development started in the early 2000s, with the goal of producing an aircraft capable of matching or surpassing the capabilities of contemporary American fifth-generation fighters such as the F-22 Raptor and F-35 Lightning II. The first flight occurred in 2011, and after a series of extensive tests and evaluations, the J-20 was officially declared combat-ready and entered PLAAF service in 2017.

Design Features: The J-20 features a sleek, aerodynamic design with low radar cross-section characteristics, including internal weapon bays to minimize its visibility to radar. It is equipped with two high-thrust turbofan engines, contributing to its supercruise capability and high-speed performance. The J-20's large frame allows for considerable fuel and payload capacity, extending its range and versatility in operations.

Operational History: While specific details of the J-20's operational history remain closely guarded, it is known to have participated in various military exercises and training operations since its introduction. The J-20 is intended to perform a range of missions, from air superiority and suppression of enemy air defenses (SEAD) to precision strikes and reconnaissance, demonstrating its strategic importance to the PLAAF.

Comparison with Similar Models:

J-20 "Mighty Dragon" vs. F-22 Raptor

Stealth and Performance: The F-22 Raptor is renowned for its stealth capabilities and unmatched air superiority performance. The J-20 aims to rival this with its own stealth design and advanced aerodynamics, though the F-22 maintains an edge in stealth technology and supermaneuverability due to its thrust vectoring capabilities.

Avionics and Systems Integration: Both aircraft feature state-of-the-art avionics suites, but the F-22's mature systems and operational experience provide it with proven capabilities in combat environments.

J-20 "Mighty Dragon" vs. F-35 Lightning II

Multi-Role Flexibility: The F-35 Lightning II is designed as a multi-role stealth fighter, excelling in ground attack, reconnaissance, and air defense missions with its advanced sensor fusion and stealth characteristics. The J-20, while primarily focused on air superiority, also incorporates multi-role capabilities.

Technological Innovation and Exportability: The F-35 has seen widespread export to allies of the United States, enhancing global interoperability. The J-20, being a critical asset for China's national defense, has not been offered for export.

About the Mikoyan MiG-31

The Mikoyan MiG-31 "Foxhound," is a high-speed interceptor aircraft developed by the Soviet Union in the late 1970s and early 1980s. It was designed as a successor to the MiG-25, with the primary mission of engaging and destroying enemy aircraft at long ranges and high altitudes. The MiG-31 entered service with the Soviet Air Defense Forces in 1981 and remains one of the fastest combat jets in the world.

Production History: The development of the MiG-31 began in the early 1970s, aiming to address the shortcomings of the MiG-25, particularly in terms of radar technology and overall combat capabilities. The first prototype flew in 1975, leading to the aircraft's introduction into operational service in 1981. Over its production life, which officially ended in 1994, approximately 500 MiG-31s were built.

Design Features: The MiG-31 is distinguished by its large airframe, twin-engine configuration, and advanced Zaslon radar system, which was the first phased-array radar fitted to a fighter aircraft. This radar enables the MiG-31 to detect and engage targets at ranges exceeding 200 kilometers, far beyond visual range. The aircraft is powered by two powerful Soloviev D-30F6 turbofan engines, allowing it to reach speeds up to Mach 2.83.

Operational History: The MiG-31 has primarily served in the air defense role, patrolling the vast borders of the Soviet Union and its successor state, Russia. It has been a vital component of Russia's air defense strategy, capable of intercepting high-speed reconnaissance aircraft, bombers, and cruise missiles. The MiG-31 has not seen combat in major conflicts but has been regularly updated to maintain its relevance against modern threats.

Comparison with Similar Models:

MiG-31 vs. MiG-25

Role and Capabilities: Both aircraft were designed as high-speed interceptors, but the MiG-31 significantly surpasses the MiG-25 in terms of radar capabilities, engagement range, and multi-target tracking ability. The MiG-31's design improvements allow it to engage low-flying targets effectively, addressing a key limitation of the MiG-25.

Performance: While the MiG-25 set speed and altitude records, the MiG-31 offers better overall performance, including the ability to fly at high speeds at lower altitudes, increased endurance, and improved combat effectiveness.

MiG-31 vs. F-22 Raptor

Design Evolution: The F-22 Raptor represents a leap in technology as a fifth-generation fighter, emphasizing stealth, agility, and situational awareness. In contrast, the MiG-31 focuses on high speed, altitude, and long-range detection and engagement, prioritizing a different set of operational requirements.

Operational Capabilities: The F-22 excels in stealth, air superiority, and ground attack roles, making it versatile on the modern battlefield. The MiG-31, however, remains unmatched in its niche as a long-range interceptor, capable of engaging targets at distances where most fighters cannot operate effectively.

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Values shown may not be 100% accurate, as some metrics are averages or only represent certain production years and configurations. Engine specs are based on the best options available.

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