cone of confusion

English
The cone of confusion above an aviation non-directional beacon

Etymology

cone +‎ confusion From being a cone-shaped region where confusion about the direction to a source occurs.

Noun

cone of confusion (plural cones of confusion)

  1. (aviation) A zone of indeterminism over a navigation beacon (such as a VOR), where the direction-finding ability of the receiver outputs a random direction as flying over the beacon results in no direction to the beacon, giving a spinning direction indicator display. Also refers to flying over a magnetic pole, and its effects on a magnetic compass.
  2. (biology) A cone-shaped region originating midway between an organism's two ears, and radiating outwards, where a sound's location is indeterminate.
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