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C-2 Greyhound vs PA-34 Seneca

C-2 Greyhound vs PA-34 Seneca at a glance — top speed 635 vs 378 km/h, range 2,400 vs 1,611 km, max takeoff weight 27,216 vs 2,155 kg, built 56 vs 5,037 units.

Northrop Grumman C-2 Greyhound military transport aircraft side profile drawing
🇺🇸 C-2 Greyhound
Piper PA-34 Seneca military transport aircraft side profile drawing
🇺🇸 PA-34 Seneca
Specifications
C-2 Greyhound PA-34 Seneca
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer Northrop Grumman Piper
First flight 18 November 1964 25 April 1967
Year introduced 1966 1971
Number produced 56 units 5037 units
Average unit price $39 million --
Wing area 65.0 m² 19.4 m²
Wingspan 24.6 m 11.9 m
Height 4.9 m 3.0 m
Length 17.1 m 8.7 m
Maximum speed 635 km/h 378 km/h
Operational range 2,400 km 1,611 km
Service ceiling 10,211 m 7,620 m
Max. takeoff weight 27,216 kg 2,155 kg
Empty weight 15,307 kg 1,457 kg
Total thrust 2 x 3,430 kW 2 x 164 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the C-2 Greyhound or PA-34 Seneca?
The C-2 Greyhound is faster with a maximum speed of 635 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 257 km/h.
Which has longer range, the C-2 Greyhound or PA-34 Seneca?
The C-2 Greyhound has a longer range at 2,400 km compared to the PA-34 Seneca's 1,611 km.
Which can fly higher, the C-2 Greyhound or PA-34 Seneca?
The C-2 Greyhound has a higher service ceiling at 10,211 meters (33,500 ft) compared to the PA-34 Seneca's 7,620 meters (25,000 ft).
Which is heavier, the C-2 Greyhound or PA-34 Seneca?
The C-2 Greyhound has a higher maximum takeoff weight at 27,216 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the C-2 Greyhound or PA-34 Seneca?
The C-2 Greyhound is longer at 17.1 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the C-2 Greyhound or PA-34 Seneca?
The C-2 Greyhound entered service first in 1966, 5 years before the PA-34 Seneca which entered service in 1971.
Which has been built in greater numbers, the C-2 Greyhound or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 56 units of the C-2 Greyhound.