Enlargement of Sikorsky XPBS-1 9995 tail right side parked at Langley Field The rear fusealge has U.S. Navy and the tail has bureau number 9995 and rudder has XPBS-1. The flyingboat is being evaluated by National Advisory Committee for Aeronautics (NACA). Credit: U.S. Navy Date: July 25, 1938
B&W Enlargement
