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F-CK-1 Ching-Kuo vs KF-21 Boramae

F-CK-1 Ching-Kuo vs KF-21 Boramae at a glance — top speed 2,223 vs 2,200 km/h, range 1,100 vs 2,900 km, max takeoff weight 12,247 vs 25,401 kg.

AIDC F-CK-1 Ching-Kuo combat aircraft side profile drawing
🇹🇼 F-CK-1 Ching-KuoFull specs
KAI KF-21 Boramae combat aircraft side profile drawing
🇰🇷 KF-21 BoramaeFull specs
Specifications
F-CK-1 Ching-Kuo KF-21 Boramae
Origin country 🇹🇼 Taiwan 🇰🇷 South Korea
Category Combat Aircraft Combat Aircraft
Manufacturer AIDC KAI
First flight 28 May 1989 19 July 2022
Year introduced 1994 2026
Number produced 137 units N/A
Average unit price $23 million $87.5 million
Wing area 24.2 m² 46.0 m²
Wingspan 9.0 m 11.2 m
Height 4.4 m 4.8 m
Length 14.2 m 16.8 m
Maximum speed 2223 km/h 2200 km/h
Operational range 1,100 km 2,900 km
Service ceiling 16,764 m 16,764 m
Max. takeoff weight 12,247 kg 25,401 kg
Empty weight 6,486 kg 11,793 kg
Total thrust 2 x 4,293 kgf 2 x 9,983 kgf
Performance Radar Chart
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F-CK-1 Ching-Kuo side profile drawing F-CK-1 Ching-Kuo Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which is faster, the F-CK-1 Ching-Kuo or KF-21 Boramae?
The F-CK-1 Ching-Kuo is faster with a maximum speed of 2,223 km/h compared to the KF-21 Boramae's 2,200 km/h, a difference of 23 km/h.
Which has longer range, the F-CK-1 Ching-Kuo or KF-21 Boramae?
The KF-21 Boramae has a longer range at 2,900 km compared to the F-CK-1 Ching-Kuo's 1,100 km.
Which can fly higher, the F-CK-1 Ching-Kuo or KF-21 Boramae?
Both the F-CK-1 Ching-Kuo and KF-21 Boramae have a service ceiling of 16,764 meters (55,000 ft).
Which is heavier, the F-CK-1 Ching-Kuo or KF-21 Boramae?
The KF-21 Boramae has a higher maximum takeoff weight at 25,401 kg compared to the F-CK-1 Ching-Kuo's 12,247 kg.
Which is larger, the F-CK-1 Ching-Kuo or KF-21 Boramae?
The KF-21 Boramae is longer at 16.8 meters compared to the F-CK-1 Ching-Kuo's 14.2 meters.
Which is more expensive, the F-CK-1 Ching-Kuo or KF-21 Boramae?
The KF-21 Boramae is more expensive at approximately $88 million per unit compared to the F-CK-1 Ching-Kuo at $23 million.
Which entered service first, the F-CK-1 Ching-Kuo or KF-21 Boramae?
The F-CK-1 Ching-Kuo entered service first in 1994, 32 years before the KF-21 Boramae which entered service in 2026.