Compass

A compass is a navigational instrument that shows directions in a frame of reference that is stationary relative to the surface of the earth. It works based on the Earth's magnetic field and consists of a magnetized needle that aligns itself with the magnetic field lines. In aviation, a compass is an essential instrument that helps pilots navigate and maintain a heading. It is used in conjunction with other instruments such as the attitude indicator and the heading indicator to provide accurate information about the aircraft's orientation and direction of flight.
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