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Maximum speed for stability characteristics. [7] [9] V FE: Maximum flap extended speed. [7] [8] [9] V FTO: Final takeoff speed. [7] V H: Maximum speed in level flight at maximum continuous power. [7] [8] [9] V LE: Maximum landing gear extended speed. This is the maximum speed at which a retractable gear aircraft should be flown with the landing ...
This is the speed at which drag is minimised. For jet aircraft, "long-range cruise" speed (LRC) is defined as the speed which gives 99% of the maximum range, for a given weight. This results in a 3–5% increase in speed. [8] It is also a more stable speed than maximum range speed, so gives less autothrottle movement. [9]
The maximum range condition is obtained at maximum lift/drag ratio (L/DMAX) The maximal total range is the maximum distance an aircraft can fly between takeoff and landing . Powered aircraft range is limited by the aviation fuel energy storage capacity (chemical or electrical) considering both weight and volume limits. [ 1 ]
II-5-1-3 Pilots may not use a lower category than the one certified, but may choose to use a higher category for higher speed approaches. [2] The maximum permitted speed for visual manoeuvring is significantly higher than the threshold speed. Additional speed ranges are specified for other segments of the approach. [1]: Table II-5-1-2
The speed to fly is the optimum speed through sinking or rising air mass to achieve either the furthest glide, or fastest average cross-country speed. [1] Most speed to fly setups use units of either airspeed in kilometers per hour (km/h) and climb rate in meters per second (m/s), or airspeed in knots (kn) and climb rate in feet per minute (ft ...
An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI), [ 1 ] which also ratifies any claims.
Subsonic aircraft must not fly faster than a specific percentage of the speed of sound. Usually passenger airliners do not fly faster than around 85% of speed of sound, or Mach 0.85. Supersonic aircraft, like the Concorde and military fighters, use the Machmeter as the main speed instrument with the exception of take-offs and landings.
Has a maximum fuel capacity of 5 U.S. gallons (19 L) [2] Does not exceed 55 knots (102 km/h; 63 mph) calibrated airspeed at full power in level flight [ 1 ] Has a power-off stall speed which does not exceed 24 knots (44 km/h; 28 mph) calibrated airspeed [ 1 ]