According to studies by the FAA, hearing is second only to vision as a sensory mechanism to obtain critical information during the operation of an aircraft. Hearing allows pilots to identify and process the various sounds that come from the aircraft's engine, fuselage, instruments and radio. Experienced pilots may not realize that they use kinesthesia-the sensitive sensory perception your body has to tell you your position and direction of movement-to detect subtle changes in the aircraft, such as the approach to a stall or the proper landing speed. Much of kinesthesia relies on hearing.
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