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C-2 Greyhound vs S-3 Viking

C-2 Greyhound vs S-3 Viking at a glance — top speed 635 vs 815 km/h, range 2,400 vs 5,121 km, max takeoff weight 27,216 vs 23,831 kg, built 56 vs 188 units.

Northrop Grumman C-2 Greyhound military transport aircraft side profile drawing
🇺🇸 C-2 GreyhoundFull specs
Lockheed S-3 Viking military special mission aircraft side profile drawing
🇺🇸 S-3 VikingFull specs
Specifications
C-2 Greyhound S-3 Viking
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Special Mission Aircraft
Manufacturer Northrop Grumman Lockheed
First flight 18 November 1964 21 January 1972
Year introduced 1966 1974
Number produced 56 units 188 units
Average unit price $39 million $27 million
Wing area 65.0 m² 56.0 m²
Wingspan 24.6 m 21.0 m
Height 4.9 m 7.0 m
Length 17.1 m 16.3 m
Maximum speed 635 km/h 815 km/h
Operational range 2,400 km 5,121 km
Service ceiling 10,211 m 12,466 m
Max. takeoff weight 27,216 kg 23,831 kg
Empty weight 15,307 kg 12,057 kg
Total thrust 2 x 3,430 kW 2 x 4,207 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the C-2 Greyhound or S-3 Viking?
The S-3 Viking is faster with a maximum speed of 815 km/h compared to the C-2 Greyhound's 635 km/h, a difference of 180 km/h.
Which has longer range, the C-2 Greyhound or S-3 Viking?
The S-3 Viking has a longer range at 5,121 km compared to the C-2 Greyhound's 2,400 km.
Which can fly higher, the C-2 Greyhound or S-3 Viking?
The S-3 Viking has a higher service ceiling at 12,466 meters (40,898 ft) compared to the C-2 Greyhound's 10,211 meters (33,500 ft).
Which is heavier, the C-2 Greyhound or S-3 Viking?
The C-2 Greyhound has a higher maximum takeoff weight at 27,216 kg compared to the S-3 Viking's 23,831 kg.
Which is larger, the C-2 Greyhound or S-3 Viking?
The C-2 Greyhound is longer at 17.1 meters compared to the S-3 Viking's 16.3 meters.
Which is more expensive, the C-2 Greyhound or S-3 Viking?
The C-2 Greyhound is more expensive at approximately $39 million per unit compared to the S-3 Viking at $27 million.
Which entered service first, the C-2 Greyhound or S-3 Viking?
The C-2 Greyhound entered service first in 1966, 8 years before the S-3 Viking which entered service in 1974.
Which has been built in greater numbers, the C-2 Greyhound or S-3 Viking?
The S-3 Viking has been produced in greater numbers with 188 units compared to 56 units of the C-2 Greyhound.