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P-2 Neptune vs Shackleton

P-2 Neptune vs Shackleton at a glance — top speed 584 vs 485 km/h, range 3,471 vs 6,782 km, max takeoff weight 36,240 vs 44,452 kg, built 1,177 vs 185 units.

Lockheed P-2 Neptune military special mission aircraft side profile drawing
🇺🇸 P-2 Neptune
Avro Shackleton military special mission aircraft side profile drawing
🇬🇧 Shackleton
Specifications
P-2 Neptune Shackleton
Origin country 🇺🇸 United States 🇬🇧 United Kingdom
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Lockheed Avro
First flight 17 May 1945 9 March 1949
Year introduced 1947 1951
Number produced 1177 units 185 units
Average unit price -- --
Wing area 92.9 m² 132.0 m²
Wingspan 31.7 m 36.5 m
Height 8.9 m 7.1 m
Length 27.9 m 28.2 m
Maximum speed 584 km/h 485 km/h
Operational range 3,471 km 6,782 km
Service ceiling 6,828 m 5,669 m
Max. takeoff weight 36,240 kg 44,452 kg
Empty weight 22,650 kg 26,218 kg
Total thrust 2 x 2,759 kW 4 x 1,460 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the P-2 Neptune or Shackleton?
The P-2 Neptune is faster with a maximum speed of 584 km/h compared to the Shackleton's 485 km/h, a difference of 99 km/h.
Which has longer range, the P-2 Neptune or Shackleton?
The Shackleton has a longer range at 6,782 km compared to the P-2 Neptune's 3,471 km.
Which can fly higher, the P-2 Neptune or Shackleton?
The P-2 Neptune has a higher service ceiling at 6,828 meters (22,401 ft) compared to the Shackleton's 5,669 meters (18,599 ft).
Which is heavier, the P-2 Neptune or Shackleton?
The Shackleton has a higher maximum takeoff weight at 44,452 kg compared to the P-2 Neptune's 36,240 kg.
Which is larger, the P-2 Neptune or Shackleton?
The Shackleton is longer at 28.2 meters compared to the P-2 Neptune's 27.9 meters.
Which entered service first, the P-2 Neptune or Shackleton?
The P-2 Neptune entered service first in 1947, 4 years before the Shackleton which entered service in 1951.
Which has been built in greater numbers, the P-2 Neptune or Shackleton?
The P-2 Neptune has been produced in greater numbers with 1,177 units compared to 185 units of the Shackleton.