Boeing 247-D
The world's first modern airliner. It had retractable landing gear, controllable pitch propellers and wing de-icer boots.
This particular model was flown on the 18180 km (11,300 mile) England-to-Australia International Air Derby by Roscoe Turner
where it finished third.
Wingspan 74 ft, length 51 ft, height 12 ft, gross weight 13,650 lb, top speed 200 mph.
Powered by two Pratt & Whitney Wasp S1H1-G 550 hp engines.