GlobalMilitary.net Open-source military intelligence Updated daily

CH-46 Sea Knight vs H-21 Shawnee

CH-46 Sea Knight vs H-21 Shawnee at a glance — top speed 266 vs 204 km/h, range 1,020 vs 426 km, max takeoff weight 11,000 vs 6,895 kg, built 524 vs 707 units.

Boeing Vertol CH-46 Sea Knight military helicopters side profile drawing
Piasecki H-21 Shawnee military helicopters side profile drawing
🇺🇸 H-21 Shawnee
Specifications
CH-46 Sea Knight H-21 Shawnee
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Boeing Vertol Piasecki
First flight 22 April 1958 11 April 1952
Year introduced 1964 --
Number produced 524 units 707 units
Average unit price $14 million --
Wing area -- m² 282.5 m²
Wingspan 16.0 m 13.4 m
Height 5.1 m 4.8 m
Length 13.9 m 16.0 m
Maximum speed 266 km/h 204 km/h
Operational range 1,020 km 426 km
Service ceiling 4,267 m 2,880 m
Max. takeoff weight 11,000 kg 6,895 kg
Empty weight 7,047 kg 4,060 kg
Total thrust 2 x 1,400 kW 1 x 1,063 kW
Performance Radar Chart
Change comparison vs

Frequently Asked Questions

Which is faster, the CH-46 Sea Knight or H-21 Shawnee?
The CH-46 Sea Knight is faster with a maximum speed of 266 km/h compared to the H-21 Shawnee's 204 km/h, a difference of 62 km/h.
Which has longer range, the CH-46 Sea Knight or H-21 Shawnee?
The CH-46 Sea Knight has a longer range at 1,020 km compared to the H-21 Shawnee's 426 km.
Which can fly higher, the CH-46 Sea Knight or H-21 Shawnee?
The CH-46 Sea Knight has a higher service ceiling at 4,267 meters (13,999 ft) compared to the H-21 Shawnee's 2,880 meters (9,448 ft).
Which is heavier, the CH-46 Sea Knight or H-21 Shawnee?
The CH-46 Sea Knight has a higher maximum takeoff weight at 11,000 kg compared to the H-21 Shawnee's 6,895 kg.
Which is larger, the CH-46 Sea Knight or H-21 Shawnee?
The H-21 Shawnee is longer at 16.0 meters compared to the CH-46 Sea Knight's 13.9 meters.
Which has been built in greater numbers, the CH-46 Sea Knight or H-21 Shawnee?
The H-21 Shawnee has been produced in greater numbers with 707 units compared to 524 units of the CH-46 Sea Knight.