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C-140 JetStar vs PA-34 Seneca

C-140 JetStar vs PA-34 Seneca at a glance — top speed 922 vs 378 km/h, range 3,774 vs 1,611 km, max takeoff weight 19,051 vs 2,155 kg, built 202 vs 5,037 units.

Lockheed C-140 JetStar military transport aircraft side profile drawing
🇺🇸 C-140 JetStar
Piper PA-34 Seneca military transport aircraft side profile drawing
🇺🇸 PA-34 Seneca
Specifications
C-140 JetStar PA-34 Seneca
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer Lockheed Piper
First flight 4 September 1957 25 April 1967
Year introduced 1961 1971
Number produced 202 units 5037 units
Average unit price -- --
Wing area 50.4 m² 19.4 m²
Wingspan 16.4 m 11.9 m
Height 6.3 m 3.0 m
Length 18.4 m 8.7 m
Maximum speed 922 km/h 378 km/h
Operational range 3,774 km 1,611 km
Service ceiling 11,582 m 7,620 m
Max. takeoff weight 19,051 kg 2,155 kg
Empty weight 8,755 kg 1,457 kg
Total thrust 4 x 1,361 kgf 2 x 164 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the C-140 JetStar or PA-34 Seneca?
The C-140 JetStar is faster with a maximum speed of 922 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 544 km/h.
Which has longer range, the C-140 JetStar or PA-34 Seneca?
The C-140 JetStar has a longer range at 3,774 km compared to the PA-34 Seneca's 1,611 km.
Which can fly higher, the C-140 JetStar or PA-34 Seneca?
The C-140 JetStar has a higher service ceiling at 11,582 meters (37,998 ft) compared to the PA-34 Seneca's 7,620 meters (25,000 ft).
Which is heavier, the C-140 JetStar or PA-34 Seneca?
The C-140 JetStar has a higher maximum takeoff weight at 19,051 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the C-140 JetStar or PA-34 Seneca?
The C-140 JetStar is longer at 18.4 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the C-140 JetStar or PA-34 Seneca?
The C-140 JetStar entered service first in 1961, 10 years before the PA-34 Seneca which entered service in 1971.
Which has been built in greater numbers, the C-140 JetStar or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 202 units of the C-140 JetStar.