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Aircraft Structures and Design 1Aero > V Speeds > Flashcards

V Speeds Flashcards

1
Q

airspeed indicator:
The lower ends of the green arc is the stalling speed with wing flaps retracted

a. VS0
b. VS1
c. VSR

A

VS1

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2
Q

airspeed indicator:
The lower ends of the white arc is the stalling speed with wing flaps fully extended

a. VS0
b. VS1
c. VSR

A

VS0

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3
Q

airspeed indicator:
The upper end of the green arc is the maximum speed for normal operations

a. VNE
b. VNO
c. VO

A

VNO

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4
Q

airspeed indicator:
The upper end of the white arc is the maximum flap extended speed

a. VFC
b. VFE
c. VFTO

A

VFE

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5
Q

airspeed indicator:
The red line is the never exceed speed

a. VNE
b. VNO
c. VO

A

VNE

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6
Q

Engine failure recognition speed or decision speed

a. V1
b. V2
c. V3

A

V1

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7
Q

It is the maximum speed in the take-off at which the pilot must take the first action (e.g., apply brakes, reduce thrust, deploy speed brakes) to stop the airplane within the accelerate-stop distance.

a. V1
b. V2
c. V3

A

V1

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8
Q

also means the minimum speed in the take-off, following a failure of the critical engine at VEF, at which the pilot can continue the take-off and achieve the required height above the take-off surface within the take-off distance.

a. V1
b. V2
c. V3

A

V1

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9
Q

Take-off safety speed.

a. V1
b. V2
c. V3

A

V2

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10
Q

It is the minimum speed that needs to be maintained up to acceleration altitude, in the event of an engine failure after V1.

a. V1
b. V2
c. V3

A

V2

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11
Q

Flight at ___ ensures that the minimum required climb gradient is achieved, and that the aircraft is controllable.

a. V1
b. V2
c. V3

A

V2

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12
Q

speed is always greater than VMCA, and facilitates control of the aircraft in flight.

a. V1
b. V2
c. V3

A

V2

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13
Q

In an all-engines operative take-off, _____ provides a better climb performance than V2.

a. V1
b. V2
c. V3

A

V2+10

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14
Q

Flap retraction speed.

a. V3
b. V4
c. VA

A

V3

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15
Q

Steady initial climb speed.

a. V3
b. V4
c. VA

A

V4

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16
Q

The all engines operating take-off climb speed used to the point where acceleration to flap retraction speed is initiated.

a. V3
b. V4
c. VA

A

V4

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17
Q

Should be attained by a gross height of 400 feet.

a. V3
b. V4
c. VA

A

V4

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18
Q

Design maneuvring speed.

a. V3
b. V4
c. VA

A

VA

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19
Q

This is the speed above which it is unwise to make full application of any single flight control (or “pull to the stops”) as it may generate a force greater than the aircraft’s structural limitations.

a. VA
b. Vat
c. VB

A

VA

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20
Q

Indicated airspeed at threshold, which is equal to the stall speed VS0 multiplied by 1.3 or stall speed VS1g multiplied by 1.23 in the landing configuration at the maximum certificated landing mass.

a. VA
b. Vat
c. VB

A

Vat

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21
Q

Also called “approach speed”.

a. VA
b. Vat
c. VB

A

Vat

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22
Q

Design speed for maximum gust intensity.

a. VA
b. Vat
c. VB

A

VB

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23
Q

Design cruise speed, used to show compliance with gust intensity loading

a. VC
b. Vcef
c. VD

A

VC

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24
Q

generally used in documentation of military aircraft performance as V1

a. VC
b. Vcef
c. VD

A

Vcef

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25
Q

Design diving speed.

a. VC
b. Vcef
c. VD

A

VD

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26
Q

Demonstrated flight diving speed.

a. VD
b. VDF
c. VEF

A

VDF

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27
Q

The speed at which the Critical engine is assumed to fail during take-off.

a. VD
b. VDF
c. VEF

A

VEF

28
Q

Designed flap speed.

a. VEF
b. VF
c. VFC

A

VF

29
Q

Maximum speed for stability characteristics.

a. VEF
b. VF
c. VFC

A

VFC

30
Q

Maximum flap extended speed.

a. VFC
b. VFE
c. VFTO

A

VFE

31
Q

Final take-off speed

a. VFC
b. VFE
c. VFTO

A

VFTO

32
Q

Maximum speed in level flight at maximum continuous power.

a. VFTO
b. VH
c. VLE

A

VH

33
Q

Maximum landing gear extended speed.

a. VFTO
b. VH
c. VLE

A

VLE

34
Q

This is the maximum speed at which it is safe to fly a retractable gear aircraft with the landing gear extended.

a. VLE
b. VLO
c. VLOF

A

VLE

35
Q

Maximum landing gear operating speed.

a. VLE
b. VLO
c. VLOF

A

VLO

36
Q

This is the maximum speed at which it is safe to extend or retract the landing gear on a retractable gear aircraft.

a. VLO
b. VLOF
c. VMC

A

VLO

37
Q

Lift-off speed.

a. VLO
b. VLOF
c. VMC

A

VLOF

38
Q

Minimum control speed.

a. VLO
b. VLOF
c. VMC

A

VMC

39
Q

Mostly used as the minimum control speed for the take-off configuration (take-off flaps) in many publications.

a. VMC
b. VMCA
c. VMCG

A

VMC

40
Q

Refer to the minimum control speed article for a thorough explanation.

a. VMC
b. VMCA
c. VMCG

A

VMC

41
Q

Several_____ exist for different flight phases and airplane configurations: VMCG, VMCA, VMCA1, VMCA2, VMCL, VMCL1, VMCL2.

a. VMC
b. VMCA
c. VMCG

A

VMC

42
Q

Minimum control speed in the air (or airborne) for maintaining steady straight flight when an engine fails or is inoperative and with the corresponding opposite engine set to provide maximum thrust, provided a small (3° – ) 5° bank angle is being maintained away from the inoperative engine and the rudder is used up to maximum to maintain straight flight.

a. VMCA
b. VMCG
c. VMCL

A

VMCA

43
Q

Minimum control speed on the ground is the lowest speed at which the take-off may be safely continued following an engine failure during the take-off run. Below VMCG, the throttles need to be closed at once when an engine fails, to avoid veering off the runway.

a. VMCA
b. VMCG
c. VMCL

A

VMCG

44
Q

Minimum control speed in the landing configuration with one engine inoperative.

a. VMCL
b. VMO
c. VMU

A

VMCL

45
Q

Maximum operating limit speed.

a. VMCL
b. VMO
c. VMU

A

VMO

46
Q

Minimum unstick speed. It is achieved by pitching the aircraft up to the maximum (tail on the runway, for aircraft that are geometrically-limited) during the take-off roll.

a. VMCL
b. VMO
c. VMU

A

VMU

47
Q

The speed at which the aircraft first lifts off is

a. VMU
b. VNE
c. VNO

A

VMU

48
Q

Never exceed speed.

a. VMU
b. VNE
c. VNO

A

VNE

49
Q

Maximum structural cruising speed or maximum speed for normal operations.

a. VNO
b. VO
c. VR

A

VNO

50
Q

Maximum operating manoeuvring speed.

a. VNO
b. VO
c. VR

A

VO

51
Q

Rotation speed.

a. VNO
b. VO
c. VR

A

VR

52
Q

The speed at which the aircraft’s nose wheel leaves the ground during take-off.

a. VR
b. Vrot
c. VRef

A

VR

53
Q

Used instead of VR (in discussions of the take-off performance of military aircraft) to denote rotation speed in conjunction with the term VRef (refusal speed).

a. VR
b. Vrot
c. VRef

A

Vrot

54
Q

Landing reference speed or threshold crossing speed.

a. VR
b. Vrot
c. VRef

A

VRef

55
Q

stands for refusal speed for military aircraft.

a. VRef
b. VS
c. VS0

A

VRef

56
Q

is the maximum speed during take-off from which the air vehicle can stop within the available remaining runway length for a specified altitude, weight, and configuration.

a. VRef
b. VS
c. VS0

A

VRef

57
Q

Stall speed or minimum steady flight speed for which the aircraft is still controllable.

a. VRef
b. VS
c. VS0

A

VS

58
Q

Stall speed or minimum flight speed in landing configuration.

a. VRef
b. VS
c. VS0

A

VS0

59
Q

Stall speed or minimum steady flight speed for which the aircraft is still controllable in a specific configuration.

a. VS1
b. VSR
c. VSR0

A

VS1

60
Q

Reference stall speed.

a. VS1
b. VSR
c. VSR0

A

VSR

61
Q

Reference stall speed in landing configuration.

a. VS1
b. VSR
c. VSR0

A

VSR0

62
Q

Reference stall speed in a specific configuration.

a. VSR1
b. VSW
c. VTOSS

A

VSR1

63
Q

Speed at which the stall warning will occur.

a. VSR1
b. VSW
c. VTOSS

A

VSW

64
Q

Category A rotorcraft take-off safety speed.

a. VSR1
b. VSW
c. VTOSS

A

VTOSS

65
Q

Speed that will allow for best angle of climb.

a. VTOSS
b. VX
c. VY

A

VX

66
Q

Speed that will allow for the best rate of climb.

a. VTOSS
b. VX
c. VY

A

VY

Aircraft Structures and Design 1Aero (10 decks)

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