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KT-1 Woongbi vs NAMC YS-11

KT-1 Woongbi vs NAMC YS-11 at a glance — top speed 574 vs 470 km/h, range 2,070 vs 2,110 km, max takeoff weight 2,540 vs 23,500 kg, built 178 vs 182 units.

KAI KT-1 Woongbi military training aircraft side profile drawing
🇰🇷 KT-1 Woongbi
NAMC YS-11 military training aircraft side profile drawing
🇯🇵 NAMC YS-11
Specifications
KT-1 Woongbi NAMC YS-11
Origin country 🇰🇷 South Korea 🇯🇵 Japan
Category Military Training Aircraft Military Training Aircraft
Manufacturer KAI NAMC
First flight 12 December 1991 30 August 1962
Year introduced 2000 1965
Number produced 178 units 182 units
Average unit price $9 million $2.2 million
Wing area 16.0 m² 94.8 m²
Wingspan 10.6 m 32.0 m
Height 3.7 m 9.0 m
Length 10.3 m 26.3 m
Maximum speed 574 km/h 470 km/h
Operational range 2,070 km 2,110 km
Service ceiling 11,582 m 6,980 m
Max. takeoff weight 2,540 kg 23,500 kg
Empty weight 1,910 kg 14,600 kg
Total thrust 1 x 708 kW 2 x 2,259 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the KT-1 Woongbi or NAMC YS-11?
The KT-1 Woongbi is faster with a maximum speed of 574 km/h compared to the NAMC YS-11's 470 km/h, a difference of 104 km/h.
Which has longer range, the KT-1 Woongbi or NAMC YS-11?
The NAMC YS-11 has a longer range at 2,110 km compared to the KT-1 Woongbi's 2,070 km.
Which can fly higher, the KT-1 Woongbi or NAMC YS-11?
The KT-1 Woongbi has a higher service ceiling at 11,582 meters (37,998 ft) compared to the NAMC YS-11's 6,980 meters (22,900 ft).
Which is heavier, the KT-1 Woongbi or NAMC YS-11?
The NAMC YS-11 has a higher maximum takeoff weight at 23,500 kg compared to the KT-1 Woongbi's 2,540 kg.
Which is larger, the KT-1 Woongbi or NAMC YS-11?
The NAMC YS-11 is longer at 26.3 meters compared to the KT-1 Woongbi's 10.3 meters.
Which is more expensive, the KT-1 Woongbi or NAMC YS-11?
The KT-1 Woongbi is more expensive at approximately $9.0 million per unit compared to the NAMC YS-11 at $2.2 million.
Which entered service first, the KT-1 Woongbi or NAMC YS-11?
The NAMC YS-11 entered service first in 1965, 35 years before the KT-1 Woongbi which entered service in 2000.
Which has been built in greater numbers, the KT-1 Woongbi or NAMC YS-11?
The NAMC YS-11 has been produced in greater numbers with 182 units compared to 178 units of the KT-1 Woongbi.