Passenger Turbo Props

The first successful commercial propeller-driven airliner

$1.2 million Lockheed airliner as of 1951

Four-engine airliner of Lockheed introduced in 1947

Twin-engine short-range airliner introduced in 1946

Short to medium range airliner introduced in 1951

$200,000 airliner as of 1945

$12 million turboprop regional airliner

The last piston powered transport aircraft by Douglas

$700,000 airliner introduced in 1947

Produced from 1942 to 1947 and retired in 1991