CH-46 Sea Knight vs CH-47 Chinook
| 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 |
| American tandem rotor helicopter, synonymous with heavy-lift operations, crucial in conflicts including Vietnam and Afghanistan. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Boeing |
| First flight | 21 September 1961 |
| Year introduced | 1962 |
| Number produced | 1200 units |
| Average unit price | $38 million |
| Wingspan | 16.0 m â—‰ |
| Height | 5.1 m â—‰ |
| Length | 13.9 m â—‰ |
| Maximum speed | 266 km/h â—‰ |
| Operational range | 1,020 km â—‰ |
| Service ceiling | 4,267 m â—‰ |
| Max. takeoff weight | 11,000 kg â—‰ |
| Empty weight | 7,047 kg â—‰ |
| Total thrust | 2 x 1,400 kW â—‰ |
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| Wingspan | 18.3 m â—‰ |
| Height | 5.7 m â—‰ |
| Length | 30.1 m â—‰ |
| Maximum speed | 315 km/h â—‰ |
| Operational range | 740 km â—‰ |
| Service ceiling | 5,639 m â—‰ |
| Max. takeoff weight | 22,680 kg â—‰ |
| Empty weight | 10,614 kg â—‰ |
| Total thrust | 2 x 2,796 kW â—‰ |
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Performance Radar Chart
Frequently Asked Questions
Which is faster, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook is faster with a maximum speed of 315 km/h compared to the CH-46 Sea Knight's 266 km/h, a difference of 49 km/h.
Which has longer range, the CH-46 Sea Knight or CH-47 Chinook?
The CH-46 Sea Knight has a longer range at 1,020 km compared to the CH-47 Chinook's 740 km.
Which can fly higher, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook has a higher service ceiling at 5,639 meters (18,500 ft) compared to the CH-46 Sea Knight's 4,267 meters (13,999 ft).
Which is heavier, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook has a higher maximum takeoff weight at 22,680 kg compared to the CH-46 Sea Knight's 11,000 kg.
Which is larger, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook is longer at 30.1 meters compared to the CH-46 Sea Knight's 13.9 meters.
Which is more expensive, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook is more expensive at approximately $38 million per unit compared to the CH-46 Sea Knight at $14 million.
Which entered service first, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook entered service first in 1962, 2 years before the CH-46 Sea Knight which entered service in 1964.
Which has been built in greater numbers, the CH-46 Sea Knight or CH-47 Chinook?
The CH-47 Chinook has been produced in greater numbers with 1,200 units compared to 524 units of the CH-46 Sea Knight.