Handley Page HP42 Heracles, 1931.
24 This fourengined biplane was operated by Imperial Airways between... News Photo 90745043Biplane,Commercial Airplane,Finance,Horizontal,Model,Propeller Airplane,Transportation,UKPhotographer Science & Society Picture LibraryCollection: SSPL SSPL/Science MuseumUNITED KINGDOM - JUNE 15: Model (scale 1:24). This four-engined biplane was operated by Imperial Airways between 1931 and 1939, flying to Europe, the Middle East and India. When introduced it was the largest airliner in regular use. Although slow, and obsolete by the 1930s, it was extremely safe. The eight aircraft in the fleet flew ten million miles without a fatality. (Photo by SSPL/Getty Images)