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Westland Lynx vs SH-3 Sea King

Westland Lynx vs SH-3 Sea King at a glance — top speed 300 vs 267 km/h, range 528 vs 1,005 km, max takeoff weight 4,760 vs 10,002 kg, built 450 vs 1,300 units.

Westland Lynx military helicopters side profile drawing
🇬🇧 Westland LynxFull specs
Sikorsky SH-3 Sea King military helicopters side profile drawing
🇺🇸 SH-3 Sea KingFull specs
Specifications
Westland Lynx SH-3 Sea King
Origin country 🇬🇧 United Kingdom 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Westland Sikorsky
First flight 21 March 1971 11 March 1959
Year introduced 1977 1961
Number produced 450 units 1300 units
Average unit price $10 million $25 million
Wingspan 12.8 m 19.0 m
Height 3.6 m 5.1 m
Length 15.0 m 16.7 m
Maximum speed 300 km/h 267 km/h
Operational range 528 km 1,005 km
Service ceiling 3,200 m 4,481 m
Max. takeoff weight 4,760 kg 10,002 kg
Empty weight 2,740 kg 5,382 kg
Total thrust 2 x 671 kW 2 x 1,044 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Westland Lynx or SH-3 Sea King?
The Westland Lynx is faster with a maximum speed of 300 km/h compared to the SH-3 Sea King's 267 km/h, a difference of 33 km/h.
Which has longer range, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King has a longer range at 1,005 km compared to the Westland Lynx's 528 km.
Which can fly higher, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King has a higher service ceiling at 4,481 meters (14,701 ft) compared to the Westland Lynx's 3,200 meters (10,498 ft).
Which is heavier, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King has a higher maximum takeoff weight at 10,002 kg compared to the Westland Lynx's 4,760 kg.
Which is larger, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King is longer at 16.7 meters compared to the Westland Lynx's 15.0 meters.
Which is more expensive, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King is more expensive at approximately $25 million per unit compared to the Westland Lynx at $10 million.
Which entered service first, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King entered service first in 1961, 16 years before the Westland Lynx which entered service in 1977.
Which has been built in greater numbers, the Westland Lynx or SH-3 Sea King?
The SH-3 Sea King has been produced in greater numbers with 1,300 units compared to 450 units of the Westland Lynx.