Airspeed Terminology Flashcards

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1
Q

CAS

A

Calibrated Airspeed is the Indicated Airspeed of an aircraft, corrected for position and instrument error.

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2
Q

GS

A

Ground Speed is the speed of the airplane over the ground

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3
Q

IAS

A

Indicated Airspeed is the speed of the aircraft as shown on the airspeed indicator (corrected for instrument error)

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4
Q

TAS

A

True Airspeed is the airspeed of the aircraft relative to undisturbed error. It is Calibrated Airspeed corrected for altitude, temperature and compressibility

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5
Q

Va

A

Maneuvering Speed is the maximum speed at which full application of controls will not over stress the airplane. Va decreases at lighter weight as the effect of aerodynamic forces become more pronounced.

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6
Q

Vfe

A

Maximum Flap Extended speed is the highest permissible with the flaps extended

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7
Q

Vne

A

Never Exceed Speed is the speed limit that may not be exceeded at any time

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8
Q

Vno

A

Maximum Structural Cruising Speed is the speed that should not be exceeded except in smooth air and only with caution.

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9
Q

Vs

A

Stall speed or minimum steady flight speed at which the airplane is controllable. Vs is normally for a clean configuration (flaps up)

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10
Q

Vso

A

Stall speed or minimum steady flight speed at which the airplane is controllable. Vso is normally for the landing configuration (flaps down)

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11
Q

Vx

A

Best Angle of Climb Speed is the airspeed that delivers the greatest gain in altitude in the shortest possible horizontal DISTANCE.

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12
Q

Vy

A

Best Rate of Climb Speed is the airspeed that delivers the greatest gain in altitude in the shortest possible horizontal TIME.

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