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Stratocruiser
One sheet vintage promotional poster for the
British Overseas Airways Corporation (BOAC), created circa 1950 by artist R. P. Hutchinson. It features a detailed "cutaway" illustration of the Boeing 377 Stratocruiser, which was the height of luxury travel in the early post-war era.
The Aircraft: G-AKGH "Caledonia"
The specific aircraft shown, registration G-AKGH, was named Caledonia. It served as the flagship of BOAC's Stratocruiser fleet and was the first of the type delivered to the airline on November 15, 1949. These planes were famously used on the "Monarch" service, an ultra-luxurious, first-class-only flight between London and New York.
Key Features and Layout
The Stratocruiser was unique for its "double-bubble" fuselage, which created two distinct levels:

Upper Deck: Contained the main passenger cabins, including the "Leito-Padrão" (standard sleepers) where seats could be converted into bunks for long overnight Atlantic crossings.
Lower Deck: Accessed via a spiral staircase (Escada), it featured a "Saleta e Bar" (Lounge and Bar), allowing passengers to socialize away from their seats—a level of space and luxury that earned it the nickname "The Flying Hotel."
Flight Crew: The diagram identifies a five-person flight deck crew: Captain (Comandante), Co-pilot, Engineer, Radio Operator, and Navigator.

Historical Context
Developed from the B-29 Superfortress bomber and the C-97 military transport, the Stratocruiser was one of the last and largest propeller-driven airliners. While passengers loved its comfort, the aircraft was notoriously difficult to maintain due to its complex 28-cylinder "corncob" engines. By 1959, BOAC retired its Stratocruiser fleet, replacing them with faster jet aircraft like the Boeing 707.
The text on this specific version of the poster is in Portuguese, likely produced for BOAC's routes and marketing in Brazil or Portugal during the 1950s.
Stratocruiser - Mounted (Poster)
Mounted
Stratocruiser (Poster)