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radio range

(Encyclopedia)radio range, geographically fixed radio transmitter that radiates coded signals in all directions to enable aircraft and ships to determine their bearings. An aircraft or ship can determine its line o...

Gisborne

(Encyclopedia)Gisborne gĭzˈbôrn [key], city, East Coast North Island, New Zealand, on Poverty Bay. It is a ...

flight simulator

(Encyclopedia)flight simulator, device providing a controlled environment in which a flight trainee can experience conditions approximating those of actual flight. A simulator generally consists of an enclosure hou...

Rutan, Burt

(Encyclopedia)Rutan, Burt (Elbert Leander Rutan) ro͞oˈtăn [key], 1943–, American aerospace engineer, b. Portland, Oreg., grad. California Polytechnic Univ. (B.S. 1965). From 1965 to 1972 Rutan worked for the U...

GCA

(Encyclopedia)GCA, ground-controlled approach: see instrument-landing system. ...

ILAS

(Encyclopedia)ILAS, instrument low-approach system: see instrument-landing system. ...

Whittle, Sir Frank

(Encyclopedia)Whittle, Sir Frank, 1907–96, English aeronautical engineer. Whittle was one of the first persons to associate the gas turbine with jet propulsion. Previously the gas turbine had been regarded as a m...

Alert

(Encyclopedia)Alert əlûrtˈ [key], settlement, on Ellesmere Island, extreme N Nunavut Territory, Canada, on the Arctic Ocean. It is the most northerly permanent settlement in the world. The settlement has a radio...

Ontario, city, United States

(Encyclopedia)Ontario, city (1990 pop. 133,179), San Bernardino co., S Calif., near Los Angeles, in a region of vineyards; inc. 1891. Manufactures include aircraft and aircraft parts, aerospace vehicle parts, sport...

inclined plane

(Encyclopedia)CE5 Inclined plane inclined plane, simple machine, consisting of a sloping surface, whose purpose is to reduce the force that must be applied to raise a load. To raise a body vertically a force mu...