While most of us on the ground are used to measuring speed in kilometers or miles per hour, pilots use a different unit of measurement: Nautical miles per hour – also known as knots. Knots are also how the speed of boats is measured. But why is this unit the standard rather than what we're used to seeing when we're driving?
Read More Here: Why Do Pilots Measure Airspeed In Knots? | SimpleFlying.com
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