Boeing KC-97L Stratofreighter. A cargo version of the B-29, the C-97 Stratofreighter first flew in November 1944. Boeing introduced the tanker version, KC-97 with the "flying boom" refueling system, in 1950. In all, the USAF ordered 890 aircraft: 74 C-97s and 816 KC-97s.
TECHNICAL NOTES:
Engines: Four Pratt & Whitney R-4360s of 3,500 hp each and two General Electric J47 turbojets of 5,970 lbs. thrust each
Maximum speed: 400 mph
Range: 2,300 miles
Span: 141 ft. 2 in.
Length: 117 ft. 5 in. (with boom retracted)
Height: 38 ft. 4 in.
Weight: 153,000 lbs. normal maximum
Serial number: 52-2630