The Boeing Model 307 Stratoliner is an American stressed-skin four-engine low-wing tailwheel monoplane airliner derived from the B-17 Flying Fortress bomber, which entered commercial service in July 1
Boeing 307 Stratoliner, Pan Am JP5629675
Boeing S-307 Stratoliner production line, with early B-17s to the rear
Prototype Model 307 NX19901 with the small tail as initially designed, and which caused its loss
Wreck of the prototype, NX19901
The Boeing 377 Stratocruiser was a large long-range airliner developed from the C-97 Stratofreighter military transport, itself a derivative of the B-29 Superfortress. The Stratocruiser's first flight
Boeing 307 Stratoliner
…Power loading: 12.5 lb/hp (7.6 kg/kW) takeoff, 10.25 lb/hp (6.23 kg/kW) cruise Boeing 377 Stratocruiser Renard R.35 (first airliner with a pressurized cabin…
A Pan Am Stratocruiser over San Francisco Bay
The Boeing 377 production line
Berths and seating aboard a 377
A United Airlines 377 over the Golden Gate Bridge