Kaman SH-2G Super Seasprite

The compact naval helicopter built for frigate-based warfare missions

Overview

Kaman United States ICAO: H2 1993–1995 Active $26 million

The Kaman SH-2G Super Seasprite is a twin-engine naval helicopter developed for anti-submarine and surface warfare. Designed to operate from smaller warships, it combines compact size with advanced sensors and weapons. The aircraft served several navies worldwide.

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Specifications

Units
Engine
2 × General Electric T700-GE-401C
Engine type
Turboshaft
Power
2 × 1,723 shp · 1,285 kW
Avionics
—
Wing tips
No winglets
Seats
3
Crew
—
Cabin width
5 ft 10 in  ·  1.78 m
Cabin height
4 ft 8 in  ·  1.42 m
Cabin length
6 ft 9 in  ·  2.05 m
Exterior length
52 ft 2 in  ·  15.90 m
Tail height
14 ft 9 in  ·  4.50 m
Fuselage diameter
6 ft 7 in  ·  2.00 m
Wing span
44 ft 0 in  ·  13.40 m
Baggage volume
—
Gross weight
—
Empty weight
—
Max takeoff weight
13,500 lb  ·  6,100 kg
Max landing weight
—
Max payload
5,050 lb  ·  2,300 kg
Fuel capacity
480 gal · 1,800 L · 1,400 kg (Jet A)
Max cruise speed
120 kt  ·  138 mph  ·  222 km/h
Maximum speed
—
Cruise speed
—
Approach speed
—
Range
540 nm  ·  620 mi  ·  1,000 km
Fuel burn
1.29 nm/gal  ·  0.63 km/L
Ceiling
18,000 ft  ·  5,500 m
Rate of climb
2,500 ft/min  ·  13 m/s
Takeoff distance
—
Landing distance
—
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SH-2G Seasprite Helicopter.

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Operational Context

Kaman SH-2G Super Seasprite — shipborne multirole naval helicopter

The Seasprite lineage dates to the late 1950s, but the SH-2G Super Seasprite emerged in the 1980s as a major upgrade. It incorporated modern avionics, improved engines, and updated mission systems for anti-submarine and anti-surface warfare. The SH-2G entered service with the U.S. Navy and later with export customers.

Powered by two General Electric T700 turboshaft engines producing roughly 1,700 shaft horsepower each, the SH-2G cruises at approximately 135 knots (250 km/h). Maximum takeoff weight is around 13,500 pounds (6,120 kg). The helicopter can carry torpedoes, anti-ship missiles, and surveillance equipment depending on configuration.

The compact airframe allowed operation from smaller frigates that could not accommodate larger naval helicopters. Export operators included Australia, New Zealand, and Poland. Although many have retired the type, the SH-2G represented a significant modernization of a long-serving naval platform.