New York, for example, has state-owned helicopters and twin-engine turboprop airplanes that can be used at the governor's discretion.

The Texas-based company provided no purchase price for Dornier, an unprofitable German maker of turboprop airplanes.

You say the V-22 Osprey, an aircraft that can hover like a helicopter and fly like a turboprop airplane, offers "only marginal improvements over helicopters."

In 1957, the bureau successfully introduced the An-10/An-12 family of mid-range turboprop airplanes into mass production (thousands of aircraft were manufactured).

A turboprop airplane sat at each such "gate."

He was startled when the turboprop airplane dropped down through the clouds to reveal a land nearly flat and utterly treeless.

While the competitors first looked at turboprop airplanes to replace their piston-engined craft, Swissair introduced jet airplanes directly.

The Dallas office of Bozell won the account for the Piaggio P180 Avanti, an Italian turboprop airplane, two weeks ago.

The P-3 Orion was a large four-engine turboprop airplane with a crew of twelve.

The Saab 2000 is a turboprop airplane able to cruise at a speed of 665 km/h.