airspeed terminology and symbols

Question 1

KCAS

Answer 1

knots calibrated airspeed

Question 2

KIAS

Answer 2

knots indicated airspeed

Question 3

Va

Answer 3

maneuvering speed is the max. speed at which full or abrupt control movements may be used without overstressing the airframe

Question 4

Vfe

Answer 4

max. flap extended speed is the highest speed permissible with wing flaps in a prescribed extended position

Question 5

Vno

Answer 5

max. structural cruising speed is the that should not be exceeded except in smooth air, then only with caution.

Question 6

Vne

Answer 6

never exceed speed is the speed limit that may not be exceeded at any time

Question 7

Vs

Answer 7

stalling speed or the minimum steady flight speed is the min. speed at which the airplane is controllable

Question 8

Vso

Answer 8

stalling speed or min. steady flight speed is the min. speed at which the airplane is controllable in the landing configuration at the most forward center of gravity

Question 9

Vx

Answer 9

best angle of climb speed is the speed which results in the greatest gain of altitude in a given horiz’l distance

Question 10

Vy

Answer 10

best rate of climb speed is the speed which results in the greatest gain in altitude in a given time.