Curtiss SOC Seagull - Variants

Variants

XO3C-1 (Curtiss Model 71)

Prototype aircraft, powered by 550 hp (410 kW) Pratt & Whitney R-1340-12 engine. One built, re-designated XSOC-1 on 23 March 1935.

SOC-1 (Curtiss Model 71A)

Initial production version, with 500 hp R-1340-18 engine enclosed in NACA cowling. Interchangeable float and wheeled undercarriage. 135 built.

SOC-2 (Curtiss Model 71B)

Minor changes, with R-1340-22 engine. 40 built. Wheeled undercarriage only.

XSO2C-1 (Curtiss Model 71C)

Improved version. One prototype only, no production.

SOC-3 (Curtiss Model 71E)

Similar to SOC-2, but with interchangeable undercarriage. 83 built by Curtiss as SOC-3 with further 44 built by the Naval Aircraft Factory as the SON-1.

SOC-3A

All SOC-4s were transferred to the U.S. Navy in 1942 (BuNo 48243, 48244, 48245, respectively), which modified them SOC-3A standard, meaning the fitting of a deck arrester gear.

SOC-4

(Curtiss Model 71F): The U.S. Coast Guard acquired the final three SOC-3 Seagulls produced by Curtiss in 1938 and these were designated as SOC-4s. They were assigned the USCG call numbers V171, V172, and V173.

SO2C

One built for evaluation based on the SOC-3, but with a 5-foot fuselage stretch and powered by a R-1340-35.

SON-1

SOC-3 aircraft produced by the Naval Aircraft Factory.

SOR-1

Ryan built SOCs from 1941