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CH-53 Sea Stallion vs Z-18

Changhe Z-18 military helicopters side profile drawing
🇨🇳 Z-18
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Specifications
CH-53 Sea Stallion Z-18
Origin country 🇺🇸 United States 🇨🇳 China
Category Military Helicopters Military Helicopters
Manufacturer Sikorsky Changhe
First flight 14 October 1964 18 March 2010
Year introduced 1966 2018
Number produced 284 units 133 units
Average unit price $40 million --
Wingspan 24.1 m 19.0 m
Height 8.5 m 6.7 m
Length 30.2 m 23.0 m
Maximum speed 315 km/h 336 km/h
Operational range 1,000 km 1,000 km
Service ceiling 5,639 m 9,000 m
Max. takeoff weight 33,300 kg 13,800 kg
Empty weight 15,071 kg 6,865 kg
Total thrust 3 x 3,270 kW 3 x 1,300 kW
Performance Radar Chart

Overview

The CH-53 Sea Stallion and the Z-18 are both Military Helicopters, manufactured by Sikorsky and Changhe respectively.

Top speed is 315 km/h for the CH-53 Sea Stallion vs 336 km/h for the Z-18. The CH-53 Sea Stallion has an operational range of 1,000 km vs 1,000 km for the Z-18. The Z-18 operates at altitudes up to 9,000 m compared to 5,639 m for the CH-53 Sea Stallion. At 33,300 kg MTOW, the CH-53 Sea Stallion is 2.4x the Z-18's 13,800 kg.

The CH-53 Sea Stallion has been produced in 284 units vs 133 for the Z-18. The CH-53 Sea Stallion first flew 46 years before the Z-18 (1964 vs 2010).

Frequently Asked Questions

Which is faster, the CH-53 Sea Stallion or Z-18?
The Z-18 is faster with a maximum speed of 336 km/h compared to the CH-53 Sea Stallion's 315 km/h, a difference of 21 km/h.
Which has longer range, the CH-53 Sea Stallion or Z-18?
The Z-18 has a longer range at 1,000 km compared to the CH-53 Sea Stallion's 1,000 km.
Which can fly higher, the CH-53 Sea Stallion or Z-18?
The Z-18 has a higher service ceiling at 9,000 meters (29,527 ft) compared to the CH-53 Sea Stallion's 5,639 meters (18,500 ft).
Which is heavier, the CH-53 Sea Stallion or Z-18?
The CH-53 Sea Stallion has a higher maximum takeoff weight at 33,300 kg compared to the Z-18's 13,800 kg.
Which is larger, the CH-53 Sea Stallion or Z-18?
The CH-53 Sea Stallion is longer at 30.2 meters compared to the Z-18's 23.0 meters.
Which entered service first, the CH-53 Sea Stallion or Z-18?
The CH-53 Sea Stallion entered service first in 1966, 52 years before the Z-18 which entered service in 2018.
Which has been built in greater numbers, the CH-53 Sea Stallion or Z-18?
The CH-53 Sea Stallion has been produced in greater numbers with 284 units compared to 133 units of the Z-18.