Grumman S-2 Tracker

Anti-submarine warfare aircraft introduced in February 1954

U.S. Navy Grumman S 2E Tracker of Anti Submarine Squadron 27 VS 27 Pelicans in flight.
photo: U.S. Navy

The Grumman S-2 Tracker was originally developed and manufactured by Grumman that performed its maiden flight in December 1952. It was intentionally built as an anti-submarine warfare aircraft with a single airframe and served the United States Navy. The aircraft featured a conventional design, powered by two radial engines with a propeller, fitted with high wings and a tricycle landing gear.

United States
1952 to: 1968


2x Wright R-1820-82WA
1,525 horsepower
Max Cruise Speed:
243 knots
450 Km/h
Approach Speed (Vref):
64 knots
Travel range:
1,173 Nautical Miles
2,172 Kilometers
Fuel Economy:
Service Ceiling:
22,000 feet
Rate of Climb:
1920 feet / minute
9.75metre / second
Take Off Distance:
Landing Distance:
Max Take Off Weight:
11,860 Kg
26,147 lbs
Max Landing Weight:
Max Payload:
2,200 Kg
4,850 lbs
Fuel Tank Capacity:
520 gallon
1,968 litre
Baggage Volume:
Seats - Economy / General:
4 seats
Seats - Business Class:
Seats - First Class:
Cabin Height:
Cabin Width:
Cabin Length:
Exterior Length:
13.26 metre - 43.50 feet
Tail height:
5.33 metre - 17.49 feet
Fuselage Diameter:
1.75 metre - 5.74 feet
Wing Span / Rotor Diameter:
22.12 metre - 72.57 feet
Wing Tips:
No Winglets
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The Grumman S-2 Tracker was purposely-built to replace the AF Guardian anti-submarine warfare of the United States Navy. On June 30, 1950, two prototypes designated as XS2F-1 and fifteen S2F-1 production aircraft were ordered. On December 4, 1952, the aircraft took to the air for the first time. In February 1954, it entered into service.

The S-2 Tracker can accommodate up to four crew members. It has an external length of 13.26 meters, an external height of 3 meters, and a fuselage diameter of 1.75 meters. The tail height is 5.33 meters and the tricycle landing gear has a wheelbase of 4.2 meters. The aircraft is fitted with high wings with a wingspan of 22.12 meters and a wing area of 45.1 square meters. It has an empty weight of 8,308 kg, a gross weight of 10,630 kg, a maximum payload of 2,200 kg, and a fuel tank capacity of 520 US gal. The maximum takeoff weight is 11,860 kg.

The aircraft is powered by twin Wright R-1820-82WA engines. It is a nine-cylinder single-row supercharged air-cooled radial piston engines with two overhead valves per cylinder with sodium-filled exhaust valves, a single-speed centrifugal-type supercharger a Stromberg downdraft carburetor with an automatic mixture control fuel system, a dry-sump with one pressure and one scavenging pump oil system, and an air cooling system. Each engine produces a maximum thrust of 1,525 hp.

The Tracker has a maximum speed of 243 knots at sea level and a cruise speed of 130 knots. It has a travel range of 1,173 nautical miles and has a nine-hour endurance. It can fly up to 22,000 feet and can climb at a rate of 1,920 feet per minute. The 2,200 kg of payload could be carried in the internal weapons bay and on six under-wing hardpoints; it included different torpedoes and MK.54 or naval mines depth charges.



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