gyrodyne

(redirected from Heliplane)
Also found in: Dictionary.

gyrodyne

gyrodyne
A rotorcraft whose rotors are normally engine-driven for takeoff, hovering, landing, and forward flight through part of its speed range. Its means of propulsion, consisting usually of conventional propellers, is independent of the rotor system.
References in periodicals archive ?
The heliplane is a two-passenger gyroplane, which is a combination of a helicopter and a small airplane.
The 18A Heliplane is one of the safest and most versatile aircraft currently in existence and is virtually crash proof.
From Andrews Avenue, at least six helicopters, three of them apparently heliplanes, could be seen taking off from the airport at around 1:52 p.
Tecu also has been roughed up a bit while doing stories on gyrocopters, gyroplanes and heliplanes.