Beech Model 18

One of the best known classic airliners, the Beech 18 was designed in 1936 and had its maidenflight on January 20th 1937.
More than 9000 of this graceful aircraft were produced in various versions as an airliner, business aircraft and in its military variant, known as the c-45 ( or AT-7, AT-11 ) “Expeditor" or “Navigator".
Production ended in 1969, but many are still in use today with small operators and collectors.