Boeing 247 United Aircraft and Transport Co. Published on February 6, 2013 in 8 February 1933Full resolution (800 × 614) ← Previous Next → A closeup of a United Aircraft and Transport Co. Boeing Model 247, shows the P&W R1340 Wasp with teh cowling removed, the forward slanted windshield and the tall radio mast forward of the cockpit. (Unattributed)