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Boeing 707 vs P-2 Neptune

Boeing 707 vs P-2 Neptune at a glance — top speed 1,010 vs 584 km/h, range 5,400 vs 3,471 km, max takeoff weight 151,318 vs 36,240 kg, built 865 vs 1,177 units.

Boeing 707 military special mission aircraft side profile drawing
🇺🇸 Boeing 707
Lockheed P-2 Neptune military special mission aircraft side profile drawing
🇺🇸 P-2 Neptune
Specifications
Boeing 707 P-2 Neptune
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Boeing Lockheed
First flight 15 July 1954 17 May 1945
Year introduced 1958 1947
Number produced 865 units 1177 units
Average unit price $35 million --
Wing area -- m² 92.9 m²
Wingspan 44.5 m 31.7 m
Height 13.0 m 8.9 m
Length 46.4 m 27.9 m
Maximum speed 1010 km/h 584 km/h
Operational range 5,400 km 3,471 km
Service ceiling 13,000 m 6,828 m
Max. takeoff weight 151,318 kg 36,240 kg
Empty weight 66,406 kg 22,650 kg
Total thrust 4 x 8,618 kgf 2 x 2,759 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Boeing 707 or P-2 Neptune?
The Boeing 707 is faster with a maximum speed of 1,010 km/h compared to the P-2 Neptune's 584 km/h, a difference of 426 km/h.
Which has longer range, the Boeing 707 or P-2 Neptune?
The Boeing 707 has a longer range at 5,400 km compared to the P-2 Neptune's 3,471 km.
Which can fly higher, the Boeing 707 or P-2 Neptune?
The Boeing 707 has a higher service ceiling at 13,000 meters (42,650 ft) compared to the P-2 Neptune's 6,828 meters (22,401 ft).
Which is heavier, the Boeing 707 or P-2 Neptune?
The Boeing 707 has a higher maximum takeoff weight at 151,318 kg compared to the P-2 Neptune's 36,240 kg.
Which is larger, the Boeing 707 or P-2 Neptune?
The Boeing 707 is longer at 46.4 meters compared to the P-2 Neptune's 27.9 meters.
Which entered service first, the Boeing 707 or P-2 Neptune?
The P-2 Neptune entered service first in 1947, 11 years before the Boeing 707 which entered service in 1958.
Which has been built in greater numbers, the Boeing 707 or P-2 Neptune?
The P-2 Neptune has been produced in greater numbers with 1,177 units compared to 865 units of the Boeing 707.