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Boeing 757 vs PA-34 Seneca

Boeing 757 military transport aircraft side profile drawing
🇺🇸 Boeing 757
Piper PA-34 Seneca military transport aircraft side profile drawing
🇺🇸 PA-34 Seneca
Change comparison vs
Specifications
Boeing 757 PA-34 Seneca
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer Boeing Piper
First flight 19 February 1982 25 April 1967
Year introduced 1983 1971
Number produced 1050 units 5037 units
Average unit price $85 million --
Wing area 181.3 m² 19.4 m²
Wingspan 38.0 m 11.9 m
Height 11.0 m 3.0 m
Length 47.3 m 8.7 m
Maximum speed 853 km/h 378 km/h
Operational range 7,250 km 1,611 km
Service ceiling 12,802 m 7,620 m
Max. takeoff weight 115,666 kg 2,155 kg
Empty weight 58,900 kg 1,457 kg
Total thrust 2 x 18,915 kgf 2 x 164 kW
Performance Radar Chart

Overview

The Boeing 757 and the PA-34 Seneca are both Military Transport Aircraft, manufactured by Boeing and Piper respectively.

The Boeing 757 reaches 853 km/h — 2.3:1 the PA-34 Seneca's 378 km/h. The Boeing 757 has an operational range of 7,250 km vs 1,611 km for the PA-34 Seneca. The Boeing 757 operates at altitudes up to 12,802 m compared to 7,620 m for the PA-34 Seneca. At 115,666 kg MTOW, the Boeing 757 is 54:1 the PA-34 Seneca's 2,155 kg.

The Boeing 757 has been produced in 1,050 units vs 5,037 for the PA-34 Seneca. The PA-34 Seneca first flew 15 years before the Boeing 757 (1967 vs 1982).

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Frequently Asked Questions

Which is faster, the Boeing 757 or PA-34 Seneca?
The Boeing 757 is faster with a maximum speed of 853 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 475 km/h.
Which has longer range, the Boeing 757 or PA-34 Seneca?
The Boeing 757 has a longer range at 7,250 km compared to the PA-34 Seneca's 1,611 km.
Which can fly higher, the Boeing 757 or PA-34 Seneca?
The Boeing 757 has a higher service ceiling at 12,802 meters (42,001 ft) compared to the PA-34 Seneca's 7,620 meters (25,000 ft).
Which is heavier, the Boeing 757 or PA-34 Seneca?
The Boeing 757 has a higher maximum takeoff weight at 115,666 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the Boeing 757 or PA-34 Seneca?
The Boeing 757 is longer at 47.3 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the Boeing 757 or PA-34 Seneca?
The PA-34 Seneca entered service first in 1971, 12 years before the Boeing 757 which entered service in 1983.
Which has been built in greater numbers, the Boeing 757 or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 1,050 units of the Boeing 757.