The Boeing 377 was a commercial transport development of the Model 367 (military C-97). The first flight of the prototype was made on July 8, 1947, and was subsequently delivered to Pan American, to become the biggest user of the Stratocruiser. There were a variety of interior configurations accommodating from 55 to 112 passengers, or, if equipped as a "sleeper", with 28 upper and lower berth units plus five seats. The main cabin was in the upper lobe of the 'double-bubble' fuselage, with a luxury lounge or cocktail bar seating 14 on the lower deck, reached via a spiral staircase. A total of 55 B-377s were built, and disappeared from service during 1963. The aircraft had a maximum speed of 375 mph at 25,000 feet, maximum cruising speed of 340 mph at 25,000 feet. The B-377 had a service ceiling above 32,000 feet and a range of 4,200 miles. Mahogany Wood. Wingspan 16 1/2 inches, Length 13 inches.