- The flying properties of a helicopter, which can be expressed quantitatively, including some of the following: top speed, cruising speed, best rate of climb, vertical rate of climb, hovering ceiling in and outside ground effect, pay-load, range and endurance, and single engine performance.Typical hover ceiling graph showing the relationship between the helicopter’s ability to hover in-ground effect (IGE) or out-ground effect (OGE) versus gross weight and pressure altitude.
Aviation dictionary. 2014.
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helicopter — /hel i kop teuhr, hee li /, n. 1. any of a class of heavier than air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine. v.i. 2. to fly in a… … Universalium
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