Aircraft V=Speeds

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Aircraft VSpeeds
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100 Knots 115 MPH

• 100 MPH 87 knots

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V stands for Velocity

• VNE Never Exceed Speed Red Line

VNE159 Knots
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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.

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White Arc is Flap Operating Speed

• Bottom of White Arc is VS0Stall speed with flaps
  fully extended

Top of the white arc is VfeMax flap extension
speed
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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
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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

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Vx Best angle of climbMost altitude gained
over a given distance.Used short term to clear
an obstaclepoor visibility and poor engine
cooling
Vx

• Cessna 172 VX 62Kts

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Vy Most altitude in shortest amount of time

• Cessna 172 Vy 74 Kts

VY
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Best L/D

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

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TAS True airspeedSpeed of wing through air mass
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Ground speedSpeed of aircraft relative to the
ground
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TAS 110Kts -15 Kt headwindWhat is your
groundspeed ?
15 Knots
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TAS 65 Knots with 25kt tailwindWhat is your
groundspeed?
25Knots
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Airspeed gets input from Pitot tube and static
air source
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Questions?
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Vso ?
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Vs ?
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Va ?
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Vno ?
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Vs ?
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Vfe ?
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Vne ?
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To clear an obstacle you should fly
at?VYVXBest L/DVA
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(No Transcript)
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To obtain maximum glide speed after an engine
failure you should fly at?VYVXBest L/DVA
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(No Transcript)
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In moderate turbulence you should fly
at?VYVXBest L/DVA
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(No Transcript)
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To climb to 5000 feet in the least amount of time
you should fly at?VYVXBest L/DVA
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When will groundspeed and true airspeed be equal?
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The End !