Martin 4-0-4
Aircraft model
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The Martin 4-0-4 was an American pressurized passenger airliner built by the Glenn L. Martin Company. In addition to airline use initially in the United States, it was used by the United States Coast Guard and United States Navy as the RM-1G. Wikipedia
Engine type: Pratt & Whitney R-2800 Double Wasp
Top speed: 312 mph
Range: 1,080 mi
Wingspan: 93′ 0″
Cruise speed: 280 mph
First flight: October 21, 1950
Number built: 103