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H-19 Chickasaw vs TH-55 Osage

H-19 Chickasaw vs TH-55 Osage at a glance — top speed 163 vs 140 km/h, range 720 vs 480 km, max takeoff weight 3,402 vs 703 kg, built 1,728 vs 2,800 units.

Sikorsky H-19 Chickasaw military helicopters side profile drawing
🇺🇸 H-19 ChickasawFull specs
Hughes TH-55 Osage military helicopters side profile drawing
🇺🇸 TH-55 OsageFull specs
Specifications
H-19 Chickasaw TH-55 Osage
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Sikorsky Hughes
First flight 10 November 1949 2 October 1956
Year introduced 1950 1961
Number produced 1728 units 2800 units
Average unit price -- --
Wing area 204.9 m² -- m²
Wingspan 16.0 m 7.7 m
Height 4.1 m 2.5 m
Length 12.9 m 8.8 m
Maximum speed 163 km/h 140 km/h
Operational range 720 km 480 km
Service ceiling 3,200 m 4,000 m
Max. takeoff weight 3,402 kg 703 kg
Empty weight 2,175 kg 435 kg
Total thrust 1 x 450 kW 1 x 130 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the H-19 Chickasaw or TH-55 Osage?
The H-19 Chickasaw is faster with a maximum speed of 163 km/h compared to the TH-55 Osage's 140 km/h, a difference of 23 km/h.
Which has longer range, the H-19 Chickasaw or TH-55 Osage?
The H-19 Chickasaw has a longer range at 720 km compared to the TH-55 Osage's 480 km.
Which can fly higher, the H-19 Chickasaw or TH-55 Osage?
The TH-55 Osage has a higher service ceiling at 4,000 meters (13,123 ft) compared to the H-19 Chickasaw's 3,200 meters (10,498 ft).
Which is heavier, the H-19 Chickasaw or TH-55 Osage?
The H-19 Chickasaw has a higher maximum takeoff weight at 3,402 kg compared to the TH-55 Osage's 703 kg.
Which is larger, the H-19 Chickasaw or TH-55 Osage?
The H-19 Chickasaw is longer at 12.8 meters compared to the TH-55 Osage's 8.8 meters.
Which entered service first, the H-19 Chickasaw or TH-55 Osage?
The H-19 Chickasaw entered service first in 1950, 11 years before the TH-55 Osage which entered service in 1961.
Which has been built in greater numbers, the H-19 Chickasaw or TH-55 Osage?
The TH-55 Osage has been produced in greater numbers with 2,800 units compared to 1,728 units of the H-19 Chickasaw.