KAI KF-21 Boromae (KF-X)

History

"5th Generation Fighter" is a buzzword in modern air defense, representing advanced fighter jets that surpass their 4th generation counterparts. These cutting-edge aircraft, including drones, integrate powerful tracking systems, advanced avionics, high-performance engines, agility, and stealth capabilities. The U.S.'s Lockheed F-22 Raptor, Russia's Sukhoi Su-57 Felon, and China's Chengdu J-20 are among the first operational 5th generation fighters, with other nations like India, Turkey, and South Korea joining the race.

In the context of the Korean War and ongoing tensions with North Korea, South Korea is actively developing its own 5th generation fighter through the "KF-21 Boromae" project. This initiative aims to bolster the country's defense capabilities and provide autonomy over its air defense system. However, homegrown 5th generation fighter programs, such as the KF-X, face challenges due to their high costs and the extensive research and development required. Despite these hurdles, the KF-X design aligns with global trends, incorporating subtle features for enhanced stealth inspired by the Lockheed F-22 Raptor.

While South Korea strives to advance its military capabilities, uncertainties surround the future of the KF-X program. Various configurations are being explored, and the government grapples with inherent disadvantages. Despite the challenges, the KF-X project reflects a broader trend in the global arms race for 5th generation fighters, with nations seeking to balance defense autonomy and commercial opportunities through advanced air defense systems.

KAI KF-21 Boromae (KF-X) Specification

BASICS

Service Year: 2028

Origin: South Korea

Status: Program in Progress.

Crew: 1

MANUFACTURER: KAI (Korean Aerospace Industries) - South Korea

OPERATORS: Indonesia (possible); South Korea (probable)

ROLES

Air-to-Air Combat, Fighter

The general ability to actively attack other aircraft of similar form and function, usually using guns, missiles and/or airborne missiles.

Intercept

The ability to intercept incoming airborne threats with high performance, usually speed and rate of climb.

X-Plane (development, prototyping, tech demos)

Aircraft designed for prototyping, technology demonstration, or research/data collection.

DIMENSIONS & WEIGHTS

Length: 55.1 ft (16.80 m)

Width/Span: 36.7 ft (11.20 m)

Height: 15.7 ft (4.80 m)

Empty Wgt: 22,046 lb (10,000 kg)

MTOW: 50,706 lb (23,000 kg)

Wgt Diff: +28,660 lb (+13,000 kg)

PLANE STRUCTURE

Monoplane

Design utilizes a single primary wing mainplane; this represent the most popular mainplane arrangement.

Mid-Mounted

Mainplanes are mounted along the midway point of the sides of the fuselage.

Swept-Back

The planform features wing sweep back along the leading edges of the mainplane, promoting higher operating speeds.

POWER & PERFORMANCE

Installed: 2 x GE Aviation F414-400K afterburning turbofan engines developing 22,000lb of thrust each.

Max Speed: 1,553 mph (2,500 kph | 1,350 kts)

Ceiling: 64,961 ft (19,800 m | 12 mi)

Range: 2,361 mi (3,800 km | 7,038 nm)

Rate-of-Climb: 60,000 ft/min (18,288 m/min)

ARMAMENT

Standard, Fixed: 1 x 20mm Internal Gatling Autocannon. Optional: External weapons mounts and internal weapons bays for carrying Air-to-Air Missiles (AAM), Air-to-Surface Missiles (ASM), Precision-Guided Throwing Bombs, Conventional Throwing Bombs and Throwable Fuel Tanks.