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T-67 Firefly vs NAMC YS-11

T-67 Firefly vs NAMC YS-11 at a glance — top speed 282 vs 470 km/h, range 753 vs 2,110 km, max takeoff weight 1,157 vs 23,500 kg, built 250 vs 182 units.

Slingsby T-67 Firefly military training aircraft side profile drawing
🇬🇧 T-67 Firefly
NAMC YS-11 military training aircraft side profile drawing
🇯🇵 NAMC YS-11
Specifications
T-67 Firefly NAMC YS-11
Origin country 🇬🇧 United Kingdom 🇯🇵 Japan
Category Military Training Aircraft Military Training Aircraft
Manufacturer Slingsby NAMC
First flight 12 March 1974 30 August 1962
Year introduced 1974 1965
Number produced 250 units 182 units
Average unit price $500K $2.2 million
Wing area 13.0 m² 94.8 m²
Wingspan 10.7 m 32.0 m
Height 2.4 m 9.0 m
Length 7.6 m 26.3 m
Maximum speed 282 km/h 470 km/h
Operational range 753 km 2,110 km
Service ceiling 5,791 m 6,980 m
Max. takeoff weight 1,157 kg 23,500 kg
Empty weight 794 kg 14,600 kg
Total thrust 1 x 194 kW 2 x 2,259 kW
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 is faster with a maximum speed of 470 km/h compared to the T-67 Firefly's 282 km/h, a difference of 188 km/h.
Which has longer range, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 has a longer range at 2,110 km compared to the T-67 Firefly's 753 km.
Which can fly higher, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 has a higher service ceiling at 6,980 meters (22,900 ft) compared to the T-67 Firefly's 5,791 meters (18,999 ft).
Which is heavier, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 has a higher maximum takeoff weight at 23,500 kg compared to the T-67 Firefly's 1,157 kg.
Which is larger, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 is longer at 26.3 meters compared to the T-67 Firefly's 7.5 meters.
Which is more expensive, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 is more expensive at approximately $2.2 million per unit compared to the T-67 Firefly at $0.5 million.
Which entered service first, the T-67 Firefly or NAMC YS-11?
The NAMC YS-11 entered service first in 1965, 9 years before the T-67 Firefly which entered service in 1974.
Which has been built in greater numbers, the T-67 Firefly or NAMC YS-11?
The T-67 Firefly has been produced in greater numbers with 250 units compared to 182 units of the NAMC YS-11.