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Conversions between common units of speed; m/s km/h mph (mi/h) knot fps (ft/s) 1 m/s = : 1: 3.600 000: 2.236 936 *: 1.943 844 *: 3.280 840 * : 1 km/h = : 0.277 778 *: 1: 0.621 371 *: 0.539 957 *: 0.911 344 * : 1 mph (mi/h) =
The normal cruising speed of the MH-60T is 135 to 140 kn (155 to 161 mph; 250 to 259 km/h) and the aircraft is capable of reaching 180 kn (207 mph; 333 km/h) for short durations. It can fly at 140 kn (161 mph; 259 km/h) for six to seven hours. [13]
Powered aircraft range is limited by the aviation fuel energy storage capacity (chemical or electrical) considering both weight and volume limits. [1] Unpowered aircraft range depends on factors such as cross-country speed and environmental conditions. The range can be seen as the cross-country ground speed multiplied by the maximum time in the ...
There are several standards for determining the weight of an aircraft used to calculate the thrust-to-weight ratio range. Empty weight - The weight of the aircraft minus fuel, munitions, cargo, and crew. Combat weight - Primarily for determining the performance capabilities of fighter aircraft, it is the weight of the aircraft with full ...
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.
An aeroplane can stall at any speed, so monitoring the ASI alone will not prevent a stall. The critical angle of attack (AOA) determines when an aircraft will stall. For a particular configuration, it is a constant independent of weight, bank angle, temperature, density altitude , and the center of gravity of an aircraft .
Graphic scale from a Mercator projection world map, showing the change with latitude Although the unit knot does not fit within the SI system, its retention for nautical and aviation use is important because the length of a nautical mile , upon which the knot is based, is closely related to the longitude / latitude geographic coordinate system .
The factor–label method can convert only unit quantities for which the units are in a linear relationship intersecting at 0 (ratio scale in Stevens's typology). Most conversions fit this paradigm. An example for which it cannot be used is the conversion between the Celsius scale and the Kelvin scale (or the Fahrenheit scale). Between degrees ...