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Bell 47 vs HH-52 Seaguard

Bell 47 vs HH-52 Seaguard at a glance — top speed 169 vs 176 km/h, range 396 vs 763 km, max takeoff weight 1,338 vs 3,765 kg, built 5,600 vs 175 units.

Bell 47 military helicopters side profile drawing
🇺🇸 Bell 47
Sikorsky HH-52 Seaguard military helicopters side profile drawing
🇺🇸 HH-52 Seaguard
Specifications
Bell 47 HH-52 Seaguard
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Bell Sikorsky
First flight 1 January 1946 14 May 1958
Year introduced 1946 1963
Number produced 5600 units 175 units
Average unit price -- --
Wing area 100.8 m² 204.9 m²
Wingspan 11.3 m 16.0 m
Height 2.8 m 4.9 m
Length 9.6 m 13.6 m
Maximum speed 169 km/h 176 km/h
Operational range 396 km 763 km
Service ceiling -- m 3,400 m
Max. takeoff weight 1,338 kg 3,765 kg
Empty weight 859 kg 2,306 kg
Total thrust 1 x 210 kW 1 x 540 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Bell 47 or HH-52 Seaguard?
The HH-52 Seaguard is faster with a maximum speed of 176 km/h compared to the Bell 47's 169 km/h, a difference of 7 km/h.
Which has longer range, the Bell 47 or HH-52 Seaguard?
The HH-52 Seaguard has a longer range at 763 km compared to the Bell 47's 396 km.
Which can fly higher, the Bell 47 or HH-52 Seaguard?
The HH-52 Seaguard has a higher service ceiling at 3,400 meters (11,154 ft) compared to the Bell 47's 0 meters (0 ft).
Which is heavier, the Bell 47 or HH-52 Seaguard?
The HH-52 Seaguard has a higher maximum takeoff weight at 3,765 kg compared to the Bell 47's 1,338 kg.
Which is larger, the Bell 47 or HH-52 Seaguard?
The HH-52 Seaguard is longer at 13.6 meters compared to the Bell 47's 9.6 meters.
Which entered service first, the Bell 47 or HH-52 Seaguard?
The Bell 47 entered service first in 1946, 17 years before the HH-52 Seaguard which entered service in 1963.
Which has been built in greater numbers, the Bell 47 or HH-52 Seaguard?
The Bell 47 has been produced in greater numbers with 5,600 units compared to 175 units of the HH-52 Seaguard.