Speed of Sound
The speed of sound is 761 mph, 1225 km/h, 340 m/s, or 661 knots at standard temperature, which is 15 degrees Celsius.
Airspeed
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Tip speed on fan or props
a safety issue
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of the risks involved.
Speed of sound - The speed of sound at sea level under standard temperature and pressure conditions is 1,108 feet per second or 658 knots.
Related posts:
Sea level pressure
Decibels
N speeds
Dew point
Boyle?s law ...
True Airspeed is the airspeed of an aircraft relative to the air surrounding it, and is corrected for air pressure and temperature.
Groundspeed, GS
For navigation, i.e. movement over the ground, we need the speed of the aircraft over the ground.
The speed and direction from which the wind is blowing expressed in knots and degrees magnetic
Windshear
Varying wind speed and direction at different heights ...
As airspeed increases control surfaces become increasingly more effective, reaching a limiting airspeed where the aerodynamic force generated by the ailerons, for instance, is sufficient to twist the wing itself.
On higher speed helicopters (Westland Lynx), the root end of the blade is a blade spar and attachment area only. The aerofoil shape does not start until several feet out from the centre of the rotor system.
Controlled speed (CTS): A guidance control law parameter, generated by the longitudinal guidance modes; speed that is being controlled.
speed of sound - The speed at which sound waves travel. If you stand a distance away from a friend and say something to him, the sound waves of your voice will travel very quickly to the ear of your friend.
Speed and range
Jensen's 172, one of the last models that was powered by the oh-so-smooth six-cylinder Continental, allows Jensen to flight plan for 105 knots with a fuel consumption rate of eight gallons per hour.
Speed: For each run you will have a T1 and T2. The average measured speed will be:
a(i) = 1/2 x (d/ T1 + d/ T2) for each run. And the average run over the (say) 3 run is:
a = (a(1) + a(3))/3.
Speed Brakes Large panels that fold out of the aircraft structure to provide a lot of extra drag to the air. They are not part of the wing structure, but are usually mounted on the fuselage.
Speed of Sound:
Compressible Aerodynamics:
Mach and Speed of Sound Calculator:
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Speed Brakes
Also known as air brakes, they are surfaces that are normally flush with the wing or fuselage in which they are mounted, but which can be extended into the airflow to create more drag and slow the aircraft.
Speed.
Scalar velocity;
Speed cue.
Flight director cue to control speed; in fixed-wing aircraft, a throttle cue; in rotary-wing aircraft, a longitudinal cyclic cue ...
V speeds - designations for certain velocities relating to aircraft operation, thus: ...
V-SPEED - V, Velocity, as used in defining specific air speeds at specific configurations or conditions: Read More ...
Airspeed Indicator - An instrument or device that measures the airspeed of an aircraft through an air mass but not its groundspeed.
Altimeter - An adjustable cockpit instrument used to measure an aircraft's altitude.
Airspeed Control
Attitude flying is a simple concept which is used in both airplane and helicopter flying. The way it works is that the pitch attitude of the aircraft determines the forward speed, and power determines the altitude.
Airspeed The speed of an aircraft relative to the air through which it is flying.
Airspeed Variations
Your airspeed indicator should vary little in the course of a well-executed flight, unless and until you change it by trimming your elevator up to a higher position or down to a lower position.
airspeed indicator
An onboard instrument which registers velocity through the air, in miles per hour or in knots
altimeter
An onboard instrument which senses air pressure in order to gauge altitude ...
Airspeed Indicator. An instrument which registers the speed of aircraft through the air, as distinct from relative groundspeed .
Airway. An air route with ground organisation.
speed and small weight-carrying capacity, as in the case of the Fokker and Sopwith speed scouts (see Fig. 17). Conversely, large wing areas are used for heavy load carrying and slow speed (see Fig. 18).
Speed isn't necessarily the name of the G36's game, however. What the airplane does best is transport its passengers in style.
SPEED ERROR
A basic output from guidance to flight director, indicating the difference between actual speed and desired speed; Symbols: DELTA V; Typical Units: ft...
SPERRY
Avionics mfr ...
SPEED ADJUSTMENT- An ATC procedure used to request pilots to adjust aircraft speed to a specific value for the purpose of providing desired spacing. Pilots are expected to maintain a speed of plus or minus 10 knots or 0.
AIRSPEED - Speed of an airplane. (Deduct 25% when listening to a fighter pilot.)
BANK - The folks who hold the lien on a pilot's car.
CARBURETOR ICING - A phenomenon reported to by pilots that occurs immediately after they run out of gas.
Airspeed - 1. The speed of an airplane through the air. 2.True airspeed plus 20% when talking with other pilots. Deduct 25% when listening to a Navy aviator. 3. Measured in furlongs-per-fortnight in student aircraft.
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AIRSPEED - The speed of an aircraft through the air, relative to the air mass in which it is moving.
AIRSTRIP - A natural surface used for the operation of aircraft, often in an unimproved state.
At speeds below VMC, you will be forced to use less than full power on the good engine, to keep the yaw from getting out of hand while you speed up to VMC.
The speeds at which the two curves intersect represent the minimum and maximum speeds for level flight attainable at the given altitude.
Vy: speed for best RATE of climb.
Vx: speed for best ANGLE of climb.
WAT: Weight, Altitude, Temperature. Variables that affect takeoff performance.
Land speed measurement in most other countries. 60 kph equals approx. 36 miles-per-hour
Airline Seat Map
Travel Glossary
Business Travel Tips
Airports of the World ...
Blade speed near the main rotor shaft is much less because the distance traveled at the smaller radius is relatively small.
CRUISE SPEED The normal speed attained at altitude once the aircraft is no longer climbing and is en route.
DEADHEAD To fly the return leg of a trip without cargo or passengers.
Target speed is estimated to be 600 knots ground speed/mach 1 or greater.
FATHER
TACAN station.
TAS The speed of an aeroplane through the air in which it is flying
Thr Threshold
TODA Take of distance available ...
Our ground speed continues to increase and more resistance can be felt on the control stick. Begin moving the control stick forward, but only slightly, and you will see and feel the tail of the airplane lift off the ground.
The plane's speed is reduced. The physical view says that the amount of air diverted is reduced so the angle of attack is increased to compensate. The power needed for lift is also increased. The popular explanation cannot address this.
The increased speed will overcome the tendency of separation when the flow is deflected.
Knots - Airspeed measured as the distance in nautical miles (6,076.1 feet) covered in one hour. (Approximately equal to 1.15 miles per hour.) ...
Airspeed - Speed of an airplane. Deduct 25% when listening to a Navy pilot.
Angle of Attack - Pick-up lines that pilots use.
Arresting Gear - A Policeman's equipment.
Bank - The folks who hold the lien on most pilots' cars.
Ground speed: Actual speed of an airplane as measured relative to the ground.
GS: Glideslope. Vertical guidance, part of an ILS, establishing the safe glidepath to a runway. A standard ILS glideslope is 3 degrees.
increased stall speeds;
increased landing speeds, requiring a longer runway;
reduced braking effectiveness; ...
VSI: Vertical Speed Indicator; tells how fast your're going up or down.
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- Attempt to rapidly reduce speed.
Angels: Altitude in thousands of feet - "Angels 20" = 20,000'
Angle-off: Angle between the line of flight of target a/c and line of sight of an attacking a/c.
Ann: Allied code for Mitsubishi Ki.
altitude information Mode-C A transponder and encoding altimeter which together give air traffic controllers altitude information Mode-S A new "flavor" of transponder which features unique identification per unit, the potential for low-speed up and ...
The flight instructor must emphasize that low speed is not necessary to produce a stall. The wing can be brought to an excessive angle of attack at any speed. High pitch attitude is not an absolute indication of proximity to a stall.
The Zero had a fairly high-lift, low-speed wing with a very low wing loading, giving it a very low stalling speed of well below 60 knots.
TFR - Terrain Following Radar - a radar fitted to an aircraft that interfaces with the flight controls to keep it at a pre-determined height above the ground for low-level high-speed flight, i.e. Tornado, F-111, F-15E ...
Because I'd failed to appreciate that the Air France wanted a climb that the Speedbird was 'blocking'. There were two chances I lost to catch this: first, I could have seen it on the radar. I didn't because I only looked for long-term conflicts.
trimmed flight speed and pitch attitude.
If the LD angle is increased the plane will take on a more nose up pitch attitude,
whereas with a decreased LD angle the plane will take on a more nose down
pitch attitude.
It takes practice to bring it almost, but not quite down to its "Stall Speed," which is the speed at which it stops flying.
lowering cruising speeds;
using computers to determine optimum fuel loads and to select altitudes and routes that minimize fuel burn;
using flight simulators rather than real aircraft for pilot training; ...
Mach Number - The ratio of true airspeed to the speed of sound
Marker Beacon - Electronic navigation facility transmitting a 75 MHz vertical fan shaped radiated pattern
Mayday - International radiotelephony distress signal ...
The increased speeds of the bombers reduced the time taken to reach the target, and because they flew higher this made it impossible to send fighters in the air in time to intercept the bomber force.
A device used to measure wind speed and direction.
ARMY ASSAULT TEAM (AAT).
 See also: Aircraft, Flight, Pilot, Plane, Aviation
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