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The knot (/ n ɒ t /) is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h ... Speed is sometimes incorrectly expressed as "knots per hour", ...
Here the speed is displayed both in knots (kn) and miles per hour (mph). The true airspeed (TAS; also KTAS, for knots true airspeed) of an aircraft is the speed of the aircraft relative to the air mass through which it is flying. The true airspeed is important information for accurate navigation of an aircraft.
140 knots (160 mph; 260 km/h) 140 knots (160 mph; 260 km/h) Climb rate: 1,600 ft/min (8.13 m/s) 1,350 ft/min (6.86 m/s) Service ceiling: 15,500 ft (4,700 m)
The aircraft has a design goal cruising speed of 140 kn (259 km/h). [10] Operational history ... and have a top speed in level flight of at least 140 knots." [8]
Wind speeds in knots are then converted to other units and rounded to the nearest 5 mph or 5 km/h. [2] The Saffir–Simpson hurricane wind scale is used officially only to describe hurricanes that form in the Atlantic Ocean and northern Pacific Ocean east of the International Date Line.
4–6 knots 4–7 mph 6–11 km/h 1.6–3.3 m/s 1–2 ft 0.3–0.6 m Small wavelets still short but more pronounced; crests have a glassy appearance but do not break Wind felt on face; leaves rustle; wind vane moved by wind 3 Gentle breeze 7–10 knots 8–12 mph 12–19 km/h 3.4–5.4 m/s 2–4 ft 0.6–1.2 m
It had reached a speed of about 140 knots (160 mph; 260 km/h) when its captain, peering ahead into the fog just after 6:00:03 p.m. CST, spotted Delta Flight 954 on the runway about 1,600 feet (500 m) ahead. At 6:00:07.2 p.m. CST, Flight 575's captain gave the order "Pull 'er up!"
At 4 km (2.5 mi) from the RWY14 threshold (THR 14), ... right landing gear first, at 140 knots (260 km/h (160 mph)). As a result of excessive forces (vertical load of ...