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T-37 Tweet vs TS-11 Iskra

T-37 Tweet vs TS-11 Iskra at a glance — top speed 684 vs 720 km/h, range 1,500 vs 1,250 km, max takeoff weight 2,980 vs 3,840 kg, built 1,269 vs 424 units.

Cessna T-37 Tweet military training aircraft side profile drawing
🇺🇸 T-37 Tweet
PZL Mielec TS-11 Iskra military training aircraft side profile drawing
🇵🇱 TS-11 Iskra
Specifications
T-37 Tweet TS-11 Iskra
Origin country 🇺🇸 United States 🇵🇱 Poland
Category Military Training Aircraft Military Training Aircraft
Manufacturer Cessna PZL Mielec
First flight 12 October 1954 5 February 1960
Year introduced 1957 1964
Number produced 1269 units 424 units
Average unit price -- --
Wing area 17.0 m² 17.5 m²
Wingspan 10.1 m 10.1 m
Height 2.8 m 3.5 m
Length 9.0 m 11.2 m
Maximum speed 684 km/h 720 km/h
Operational range 1,500 km 1,250 km
Service ceiling 11,948 m 11,000 m
Max. takeoff weight 2,980 kg 3,840 kg
Empty weight 1,840 kg 2,560 kg
Total thrust 2 x 465 kgf 1 x 1,000 kgf
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the T-37 Tweet or TS-11 Iskra?
The TS-11 Iskra is faster with a maximum speed of 720 km/h compared to the T-37 Tweet's 684 km/h, a difference of 36 km/h.
Which has longer range, the T-37 Tweet or TS-11 Iskra?
The T-37 Tweet has a longer range at 1,500 km compared to the TS-11 Iskra's 1,250 km.
Which can fly higher, the T-37 Tweet or TS-11 Iskra?
The T-37 Tweet has a higher service ceiling at 11,948 meters (39,199 ft) compared to the TS-11 Iskra's 11,000 meters (36,089 ft).
Which is heavier, the T-37 Tweet or TS-11 Iskra?
The TS-11 Iskra has a higher maximum takeoff weight at 3,840 kg compared to the T-37 Tweet's 2,980 kg.
Which is larger, the T-37 Tweet or TS-11 Iskra?
The TS-11 Iskra is longer at 11.2 meters compared to the T-37 Tweet's 9.0 meters.
Which entered service first, the T-37 Tweet or TS-11 Iskra?
The T-37 Tweet entered service first in 1957, 7 years before the TS-11 Iskra which entered service in 1964.
Which has been built in greater numbers, the T-37 Tweet or TS-11 Iskra?
The T-37 Tweet has been produced in greater numbers with 1,269 units compared to 424 units of the TS-11 Iskra.