V Speeds

Question 1

V1

Answer 1

Takeoff decision speed. Below this speed you abort. Above you accelerate to VR and after rotation you accelerate to V2.

Question 2

V2

Answer 2

Takeoff safety speed. Best climb gradient speed (best altitude increase per mile with the most critical engine inop.

Question 3

V2MIN

Answer 3

Minimum takeoff safety speed. Usually 1.2 x VSO.

Question 4

VA

Answer 4

Maneuvering speed. The highest safe airspeed for abrupt control deflection or turbulence. Decreases as weight decreases.

Question 5

VABE

Answer 5

Max air brake extension

Question 6

VABO

Answer 6

Max air brake operation

Question 7

VAC

Answer 7

Missed approach climb speed for flap configuration with critical engine inop.

Question 8

VAP

Answer 8

Approach target speed. VREF + configuration & wind factor.

Question 9

VB

Answer 9

Design speed for maximum gust intensity. Turbulent air penetration speed.

Question 10

VC

Answer 10

Design cruise speed.

Question 11

VD

Answer 11

Design diving speed. Free of flutter, control reversal and buffeting.

Question 12

VDEC

Answer 12

Accelerate / Stop DECision speed for multi engine piston and light multi engine turboprop.

Question 13

VDF / VMDF

Answer 13

Demonstrated Flight Diving speed

Question 14

VEF

Answer 14

Speed at which during testing the critical engine is assumed to fail at.

Question 15

VENR

Answer 15

ENRoute climb speed with critical engine inop

Question 16

VF

Answer 16

Design Flap speed

Question 17

VFC / MFC

Answer 17

Maximum speed for undesirable Flight Characteristics (VNE)

Question 18

VFE

Answer 18

Maximum Flap Extended speed (top of white arc)

Question 19

VFR

Answer 19

Flap Retract speed (minimum)

Question 20

VFS

Answer 20

Final Segment speed with critical engine inop

Question 21

VFTO

Answer 21

Final TakeOff speed (en route configuration)

Question 22

VH

Answer 22

Maximum speed in level flight with maximum continuous power

Question 23

VLE

Answer 23

Maximum Landing gear Extended speed

Question 24

VLLE

Answer 24

Maximum Landing Light Extended speed

Question 25

VLO

Answer 25

Maximum Landing gear Operating speed

Question 26

VLOF

Answer 26

Lift OFf speed (back pressure at VR)

Question 27

VMCA or VMC

Answer 27

Minimum Control speed with critical engine inoperative out of ground effect in the Air (Red Line).

Question 28

VMCG

Answer 28

Minimum speed to maintain directional Control following an engine failure on the Ground.

Question 29

VMO / MMO

Answer 29

Maximum Operating limit speed (barber poll).

Question 30

VMU

Answer 30

Minimum Unstick speed. Slowest speed at which an aircraft can become airborne.

Question 31

VNE

Answer 31

Never exceed speed- "Red line"- Applies only to piston-powered airplanes. Any turbulence can easily overstress an aircraft at this speed.

Question 32

VNO

Answer 32

NO go there. Maximum structural cruising speed--Beginning of the yellow arc- or caution range.

Question 33

VR

Answer 33

Rotation speed. Start applying back-pressure on the yoke.

Question 34

VREF

Answer 34

REFerence speed for final approach. 1.3 times VSO.

Question 35

VS

Answer 35

Stall speed. Usuall does not correspond to a specific airspeed.

Question 36

VS1

Answer 36

Stall speed in a specific configuration. Normally regarded as the "clean"-gear and flaps up-stall speed.

Question 37

VSO

Answer 37

Stall speed in landing configuration--Lower limit of white arc.

Question 38

VSSE

Answer 38

Minimum Safe Single Engine speed (multi).

Question 39

VTOSS

Answer 39

Takeoff safety speed for category A rotorcraft.

Question 40

VWWO

Answer 40

Maximum Windshield Wiper Operating speed.

Question 41

VX

Answer 41

Best angle of climb speed. Vx increases with altitude and usually decreases with a reduction of weight.

Question 42

VXSE

Answer 42

Best Single-Engine angle of climb speed (multiengine 12,500 Lbs or less).

Question 43

VY

Answer 43

Best rate of climb speed- Greatest gain in altitude in the shortest possible time. Decreases as weight is reduced and also decreases with altitude. Best glide speed or maximum-endurance speed.

Question 44

VYSE

Answer 44

Best Single-Engine rate of climb speed-"Blue line".