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Bell 47 vs CH-46 Sea Knight

Bell 47 military helicopters side profile drawing
🇺🇸 Bell 47
Boeing Vertol CH-46 Sea Knight military helicopters side profile drawing
🇺🇸 CH-46 Sea Knight
Change comparison vs
Specifications
Bell 47 CH-46 Sea Knight
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Bell Boeing Vertol
First flight 1 January 1946 22 April 1958
Year introduced 1946 1964
Number produced 5600 units 524 units
Average unit price -- $14 million
Wing area 100.8 m² -- m²
Wingspan 11.3 m 16.0 m
Height 2.8 m 5.1 m
Length 9.6 m 13.9 m
Maximum speed 169 km/h 266 km/h
Operational range 396 km 1,020 km
Service ceiling -- m 4,267 m
Max. takeoff weight 1,338 kg 11,000 kg
Empty weight 859 kg 7,047 kg
Total thrust 1 x 210 kW 2 x 1,400 kW
Performance Radar Chart

Overview

The Bell 47 and the CH-46 Sea Knight are both Military Helicopters, manufactured by Bell and Boeing Vertol respectively.

Top speed is 169 km/h for the Bell 47 vs 266 km/h for the CH-46 Sea Knight. The Bell 47 has an operational range of 396 km vs 1,020 km for the CH-46 Sea Knight. At 11,000 kg MTOW, the CH-46 Sea Knight is 8.2x the Bell 47's 1,338 kg.

The Bell 47 has been produced in 5,600 units vs 524 for the CH-46 Sea Knight. The Bell 47 first flew 12 years before the CH-46 Sea Knight (1946 vs 1958).

Related Comparisons
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Frequently Asked Questions

Which is faster, the Bell 47 or CH-46 Sea Knight?
The CH-46 Sea Knight is faster with a maximum speed of 266 km/h compared to the Bell 47's 169 km/h, a difference of 97 km/h.
Which has longer range, the Bell 47 or CH-46 Sea Knight?
The CH-46 Sea Knight has a longer range at 1,020 km compared to the Bell 47's 396 km.
Which can fly higher, the Bell 47 or CH-46 Sea Knight?
The CH-46 Sea Knight has a higher service ceiling at 4,267 meters (13,999 ft) compared to the Bell 47's 0 meters (0 ft).
Which is heavier, the Bell 47 or CH-46 Sea Knight?
The CH-46 Sea Knight has a higher maximum takeoff weight at 11,000 kg compared to the Bell 47's 1,338 kg.
Which is larger, the Bell 47 or CH-46 Sea Knight?
The CH-46 Sea Knight is longer at 13.9 meters compared to the Bell 47's 9.6 meters.
Which entered service first, the Bell 47 or CH-46 Sea Knight?
The Bell 47 entered service first in 1946, 18 years before the CH-46 Sea Knight which entered service in 1964.
Which has been built in greater numbers, the Bell 47 or CH-46 Sea Knight?
The Bell 47 has been produced in greater numbers with 5,600 units compared to 524 units of the CH-46 Sea Knight.