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Aircraft V=Speeds

Aircraft V=Speeds. 100 Knots =115 MPH. 100 MPH = 87 knots. “V” stands for Velocity. VNE = Never Exceed Speed = Red Line. VNE=159 Knots. VA = Maneuvering speed Not depicted on airspeed indicator.

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Aircraft V=Speeds

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  1. Aircraft V=Speeds

  2. 100 Knots =115 MPH • 100 MPH = 87 knots

  3. “V” stands for Velocity • VNE = Never Exceed Speed = Red Line VNE=159 Knots

  4. VA = Maneuvering speedNot depicted on airspeed indicator • maneuvering speed, the speed at which full and abrupt control movement can be applied without the possibility of causing structural damage, and, separately, the maximum speed at which the aircraft can be flown in turbulent conditions.

  5. White Arc is Flap Operating Speed • Bottom of White Arc is VS0…Stall speed with flaps fully extended Top of the white arc is Vfe…Max flap extension speed

  6. Green arc is the normal operating range • Bottom of Green band represents • Vs: The Stall speed with the flaps retracted Top of the Green Band is Vno Vno is maximum structural cruising speed

  7. Yellow arc The yellow range is the range in which the aircraft may be operated in smooth air, and then only with caution to avoid abrupt control movement. • Yellow arc = Vno through Vne

  8. Vx Best angle of climbMost altitude gained over a given distance.Used short term to clear an obstaclepoor visibility and poor engine cooling • Cessna 172 VX = 62Kts Vx

  9. Vy… Most altitude in shortest amount of time • Cessna 172 Vy =74 Kts VY

  10. Best L/D • Represents best Glide Speed…Used for best gliding speed if you have an engine failure • Best L/D in a Cessna 172 at gross weight is 68 Kts

  11. TAS True airspeedSpeed of wing through air mass

  12. Ground speedSpeed of aircraft relative to the ground

  13. TAS= 110Kts -15 Kt headwindWhat is your groundspeed ? 15 Knots

  14. TAS = 65 Knots with 25kt tailwindWhat is your groundspeed? 25Knots

  15. Airspeed gets input from Pitot tube and static air source

  16. Questions?

  17. Vso ?

  18. Vs ?

  19. Va ?

  20. Vno ?

  21. Vs ?

  22. Vfe ?

  23. Vne ?

  24. To clear an obstacle you should fly at?VYVXBest L/DVA

  25. To obtain maximum glide speed after an engine failure you should fly at?VYVXBest L/DVA

  26. In moderate turbulence you should fly at?VYVXBest L/DVA

  27. To climb to 5000 feet in the least amount of time you should fly at?VYVXBest L/DVA

  28. When will groundspeed and true airspeed be equal?

  29. The End !

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