Knot is a speed measurement equal to 1 nautical mile per hr, more accurate for air & sea travel. Term originated from 17th-century sailors using common log to measure ship speed. Pilots trained to ...

NOAA’s move was previously reported by the Nantucket Current. The agency had sought to enact a speed limit of 10 knots (about 11.5 miles per hour) for vessels 35 feet or longer during certain ...