Manufacturers have been experimenting since the Wright brothers made a single-engine aircraft in 1903. And over the years, modern airplane manufacturers have realized that single-engine aircraft are easier to operate than double-engine aircraft. Having one engine means the plane has a simpler fuel and electricity system and is easy to maintain.
Of course, fueling a single-engine aircraft costs less. Cessna, Piper, Beechcraft, Cirrus, Diamond, and Mooney are outstanding single-engine aircraft manufacturers. These aircraft companies have perfected their craftsmanship and made single-engine planes used in transport and flight schools.
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