The Hall XPTBH was a prototype twin-engined seaplane, submitted to the United States Navy by the Hall Aluminum Aircraft Corporation in response to a 1934 specification for new bomber and scout aircraft. Constructed in an innovative fashion that made extensive use of aluminium, the XPTBH proved successful in flight testing, but failed to win favour with the U.S. Navy https://www.destinationsjourney.com/historical-military-photographs/hall-xptbh/ #Aviation #aeroplane #seaplane #floatplane #airplane #HallXPTBH