Bell 47 vs CH-46 Sea Knight
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).
| American single-rotor light helicopter, developed in the mid-1940s and utilized for a wide range of civilian and military applications including reconnaissance and medical evacuation. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Bell |
| First flight | 1 January 1946 |
| Year introduced | 1946 |
| Number produced | 5600 units |
| Average unit price | -- |
| American medium-lift tandem rotor helicopter, notably deployed in Vietnam and Iraq, used for troop transportation and search and rescue operations. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Boeing/Vertol |
| First flight | 22 April 1958 |
| Year introduced | 1964 |
| Number produced | 524 units |
| Average unit price | $14 million |
| Wing area | 100.8 m² |
| Wingspan | 11.3 m ◉ |
| Height | 2.8 m ◉ |
| Length | 9.6 m ◉ |
| Maximum speed | 169 km/h ◉ |
| Operational range | 396 km ◉ |
| Service ceiling | -- m |
| Max. takeoff weight | 1,338 kg ◉ |
| Empty weight | 859 kg ◉ |
| Total thrust | 1 x 210 kW ◉ |
| Wing area | -- m² |
| Wingspan | 16.0 m ◉ |
| Height | 5.1 m ◉ |
| Length | 13.9 m ◉ |
| Maximum speed | 266 km/h ◉ |
| Operational range | 1,020 km ◉ |
| Service ceiling | 4,267 m |
| Max. takeoff weight | 11,000 kg ◉ |
| Empty weight | 7,047 kg ◉ |
| Total thrust | 2 x 700 kW ◉ |
Performance Radar Chart
Detailed Comparison
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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.