Information from aerofiles.com
USN version of T-32 Condor for Antarctic service, to USMC in 1935. POP: 2 as R4C-1 [9584/9585]. Both R4C-1s were abandoned to the snowdrifts in 1941 by the US Antarctic Service, and at least one is still down there somewhere. Bring shovels and warm clothing.
650 hp Wright Cyclones
Aeroplane Photo Supply No. 3336
Aeroplane Photo Supply No. 3020