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Curtiss SOC Seagull Scout Floatplane

By 1940, the Curtiss SOC Seagull series could be found on just about every American warship in the Pacific.

 Updated: 12/5/2014; Authored By Staff Writer; Content ¬©

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Curtiss SOC-1 Seagull Technical Specifications

Service Year: 1935
Type: Scout Floatplane
National Origin: United States
Manufacturer(s): Curtiss-Wright - USA
Production Total: 322

Structural (Crew Space, Dimensions and Weights)

Operating Crew (Typical): 2
Overall Length: 31.66 feet (9.65 meters)
Overall Width: 35.99 feet (10.97 meters)
Overall Height: 14.07 feet (4.29 meters)

Weight (Empty): 3,508 lb (1,591 kg)
Weight (MTOW): 5,437 lb (2,466 kg)

Installed Power and Standard Day Performance

Propulsion: 1 x Pratt & Whitney R-1340-18 Wasp radial piston engine delivering 600 horsepower.

Maximum Speed: 157 mph (253 kph; 137 knots)
Maximum Range: 954 miles (1,535 km)
Service Ceiling: 14,895 feet (4,540 meters; 2.82 miles)
Rate-of-Climb: 1,000 feet-per-minute (305 m/min)

Armament / Mission Payload

1 x 0.30 cal (7.62mm) fixed, forward-firing machine gun.
1 x 0.30 cal (7.62mm) trainable machine gun in flexible mount in rear cockpit.

2 x 100lb bombs held underwing.

Global Operators / Customers

United Kingdom; United States

Model Variants (Including Prototypes)

XO3C-1 - Prototype Designation; single example constructed; fitted with 1 x Pratt & Whitney R-1340-12 series radial piston engine of 550 horsepower.
XSOC-1 - Redesignation of XO3C-1 prototype beginning March of 1935.
SOC-1 - Initial Production Model; fitted with Pratt & Whitney R-1340-18 series radial piston engine of 500 horsepower; interchangeable wheeled or float undercarriage; 135 examples produced.
SOC-2 - Second Production Model; featuring subtle revisions; fitted with Pratt & Whitney R-1340-22 series radial piston engine; limited to wheeled undercarriage; 40 examples produced.
XSO2C-1 - Proposed improved SOC; single prototype example constructed.
SOC-3 - Based on SOC-2 changes; interchangeable undercarriage; 83 examples produced.
SOC-4 - Improved SOC-3 production models; USCG usage.
SO2C - Single evaluation model based on SOC-3 production model; lengthened fuselage; fitted with Pratt & Whitney R-1340-35 series radial piston engine.
SON-1 - 44 examples of the SOC-3 as produced by the Naval Aircraft Factory.
Curtiss Model 71 - Curtiss company designation for XO3C-1 prototype.
Curtiss Model 71A - Curtiss company designation for SOC-1 production model.
Curtiss Model 71B - Curtiss company designation for SOC-2 production model.
Curtiss Model 71C - Curtiss company designation for XSO2C-1 prototype model.
Curtiss Model 71E - Curtiss company designation for SOC-3 production model.
Curtiss Model 71F - Curtiss company designation for SOC-4 production model.