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C-17 Globemaster III vs C-5 Galaxy

Lockheed C-5 Galaxy military transport aircraft side profile drawing
🇺🇸 C-5 Galaxy
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Specifications
C-17 Globemaster III C-5 Galaxy
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer McDonnell Douglas Lockheed
First flight 15 September 1991 30 June 1968
Year introduced 1993 1971
Number produced 279 units 131 units
Average unit price $340 million $168 million
Wing area 353.0 m² 576.0 m²
Wingspan 51.8 m 67.9 m
Height 16.8 m 19.8 m
Length 53.0 m 75.3 m
Maximum speed 930 km/h 932 km/h
Operational range 4,480 km 8,900 km
Service ceiling 13,715 m 10,600 m
Max. takeoff weight 259,460 kg 381,017 kg
Empty weight 122,000 kg 172,365 kg
Total thrust 4 x 4,727 kgf 4 x 4,919 kgf
Performance Radar Chart

Frequently Asked Questions

Which is faster, the C-17 Globemaster III or C-5 Galaxy?
The C-5 Galaxy is faster with a maximum speed of 932 km/h compared to the C-17 Globemaster III's 930 km/h, a difference of 2 km/h.
Which has longer range, the C-17 Globemaster III or C-5 Galaxy?
The C-5 Galaxy has a longer range at 8,900 km compared to the C-17 Globemaster III's 4,480 km.
Which can fly higher, the C-17 Globemaster III or C-5 Galaxy?
The C-17 Globemaster III has a higher service ceiling at 13,715 meters (44,996 ft) compared to the C-5 Galaxy's 10,600 meters (34,776 ft).
Which is heavier, the C-17 Globemaster III or C-5 Galaxy?
The C-5 Galaxy has a higher maximum takeoff weight at 381,017 kg compared to the C-17 Globemaster III's 259,460 kg.
Which is larger, the C-17 Globemaster III or C-5 Galaxy?
The C-5 Galaxy is longer at 75.3 meters compared to the C-17 Globemaster III's 53.0 meters.
Which is more expensive, the C-17 Globemaster III or C-5 Galaxy?
The C-17 Globemaster III is more expensive at approximately $340 million per unit compared to the C-5 Galaxy at $168 million.
Which entered service first, the C-17 Globemaster III or C-5 Galaxy?
The C-5 Galaxy entered service first in 1971, 22 years before the C-17 Globemaster III which entered service in 1993.
Which has been built in greater numbers, the C-17 Globemaster III or C-5 Galaxy?
The C-17 Globemaster III has been produced in greater numbers with 279 units compared to 131 units of the C-5 Galaxy.