Dear Boys and Girls, here is a small feature with a caption in French on Boeing-Vertol's plans for stretched/enlarged commercial Chinook derivatives; both remained "projects"......
The Boeing-Vertol BV.157B - a 55 seater powered by two rear-mounted Pratt & Whitney JTFD-12 turboshafts for availability in 1968......
The Boeing-Vertol BV.167 - a 72 seater powered by three forward-mounted Lycoming T-55-L11 turboshafts for availability in 1969......
The feature comes from the 15th April 1966 issue of Aviation Magazine International......
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