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H-34 Choctaw vs R-4

H-34 Choctaw vs R-4 at a glance — top speed 196 vs 121 km/h, range 306 vs 210 km, max takeoff weight 6,033 vs 1,150 kg, built 2,340 vs 131 units.

Sikorsky H-34 Choctaw military helicopters side profile drawing
🇺🇸 H-34 ChoctawFull specs
Sikorsky R-4 military helicopters side profile drawing
🇺🇸 R-4Full specs
Specifications
H-34 Choctaw R-4
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Sikorsky Sikorsky
First flight 8 March 1954 13 January 1942
Year introduced 1955 1944
Number produced 2340 units 131 units
Average unit price -- $10K
Wing area 228.8 m² -- m²
Wingspan 17.1 m 11.6 m
Height 4.4 m 3.8 m
Length 14.4 m 10.8 m
Maximum speed 196 km/h 121 km/h
Operational range 306 km 210 km
Service ceiling 3,658 m 2,400 m
Max. takeoff weight 6,033 kg 1,150 kg
Empty weight 3,468 kg 950 kg
Total thrust 1 x 1,137 kW --
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the H-34 Choctaw or R-4?
The H-34 Choctaw is faster with a maximum speed of 196 km/h compared to the R-4's 121 km/h, a difference of 75 km/h.
Which has longer range, the H-34 Choctaw or R-4?
The H-34 Choctaw has a longer range at 306 km compared to the R-4's 210 km.
Which can fly higher, the H-34 Choctaw or R-4?
The H-34 Choctaw has a higher service ceiling at 3,658 meters (12,001 ft) compared to the R-4's 2,400 meters (7,874 ft).
Which is heavier, the H-34 Choctaw or R-4?
The H-34 Choctaw has a higher maximum takeoff weight at 6,033 kg compared to the R-4's 1,150 kg.
Which is larger, the H-34 Choctaw or R-4?
The H-34 Choctaw is longer at 14.4 meters compared to the R-4's 10.8 meters.
Which entered service first, the H-34 Choctaw or R-4?
The R-4 entered service first in 1944, 11 years before the H-34 Choctaw which entered service in 1955.
Which has been built in greater numbers, the H-34 Choctaw or R-4?
The H-34 Choctaw has been produced in greater numbers with 2,340 units compared to 131 units of the R-4.