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Aviation Knowledge > V Speeds > Flashcards

V Speeds Flashcards

1
Q

V1

A

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

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2
Q

V2

A

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

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3
Q

V2MIN

A

Minimum takeoff safety speed. Usually 1.2 x VSO.

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4
Q

VA

A

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

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5
Q

VABE

A

Max air brake extension

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6
Q

VABO

A

Max air brake operation

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7
Q

VAC

A

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

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8
Q

VAP

A

Approach target speed. VREF + configuration & wind factor.

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9
Q

VB

A

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

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10
Q

VC

A

Design cruise speed.

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11
Q

VD

A

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

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12
Q

VDEC

A

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

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13
Q

VDF / VMDF

A

Demonstrated Flight Diving speed

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14
Q

VEF

A

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

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15
Q

VENR

A

ENRoute climb speed with critical engine inop

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16
Q

VF

A

Design Flap speed

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17
Q

VFC / MFC

A

Maximum speed for undesirable Flight Characteristics (VNE)

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18
Q

VFE

A

Maximum Flap Extended speed (top of white arc)

19
Q

VFR

A

Flap Retract speed (minimum)

20
Q

VFS

A

Final Segment speed with critical engine inop

21
Q

VFTO

A

Final TakeOff speed (en route configuration)

22
Q

VH

A

Maximum speed in level flight with maximum continuous power

23
Q

VLE

A

Maximum Landing gear Extended speed

24
Q

VLLE

A

Maximum Landing Light Extended speed

25
Q

VLO

A

Maximum Landing gear Operating speed

26
Q

VLOF

A

Lift OFf speed (back pressure at VR)

27
Q

VMCA or VMC

A

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

28
Q

VMCG

A

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

29
Q

VMO / MMO

A

Maximum Operating limit speed (barber poll).

30
Q

VMU

A

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

31
Q

VNE

A

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

32
Q

VNO

A

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

33
Q

VR

A

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

34
Q

VREF

A

REFerence speed for final approach. 1.3 times VSO.

35
Q

VS

A

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

36
Q

VS1

A

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

37
Q

VSO

A

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

38
Q

VSSE

A

Minimum Safe Single Engine speed (multi).

39
Q

VTOSS

A

Takeoff safety speed for category A rotorcraft.

40
Q

VWWO

A

Maximum Windshield Wiper Operating speed.

41
Q

VX

A

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

42
Q

VXSE

A

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

43
Q

VY

A

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.

44
Q

VYSE

A

Best Single-Engine rate of climb speed-“Blue line”.

Aviation Knowledge (4 decks)

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