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The first commercial pressurized transport aircraft was the Boeing 307 Stratoliner, which first flew in 1938. Pressurization meant that the fuselage was sealed and, when at a high altitude, the aircraft could maintain interior pressure as if it were at a lower altitude. Pressurization allowed the Stratocruiser to cruise at 14,000 feet. TWA (Transcontinental & Western Air) and Pan American Airways promoted the aircraft as having the capability of flying “above the weather” instead of through it, which meant a smoother overall flight compared to other non-pressurized airliners of the period. The Boeing 307 had a cruise speed of 215 miles per hour and could hold up to 38 passengers. Image: Pan American Airways, Boeing 307 Stratoliner, c. 1940. Gift of Vernon W. Smith. 1999.562.011
This image was posted on May 08, 2017.
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This post mentions the following things involved with the SFO Museum collection:
Boeing (1916 to ..)
This company is from the United States
Pan American Airways.
It is related to
Pan American World Airways (the company)
.