Beechcraft 55 Twin BaronBeechcraft 55 Twin Bonanza airplane model. With the wonderful control harmony that is the hallmark of the Bonanza line, the Beech Baron 58 is considered a classic light twin. The Baron 58 is a spiffed up version of a time tested favorite made modern by its new Continental Special engines. The Baron combines the attractiveness of Beechcraft design with the reliability of twin engines, resulting in a gorgeous workhorse of an aircraft. Scale: 1 32.