Wake Turbulence

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Question 1 of 14

1. Question
Avoiding wake turbulence is
- the sole responsibility of the pilot.
- the responsibility of the pilot, only when advised by ATC of the possibility of wake turbulence.
- the sole responsibility of ATC.
- a responsibility shared by both the pilot and ATC.
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Question 2 of 14

2. Question
Hazardous wake turbulence caused by aircraft in still air
- may persist for 5 minutes or more.
- dissipates immediately.
- dissipates rapidly.
- persists indefinitely.
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Question 3 of 14

3. Question
Which response is most correct with respect to wake turbulence?
1. Wing tip vortices are carried by the ambient wind.
2. Wing tip vortices have a circular and downward motion.
3. Wake turbulence exists behind all aeroplanes and helicopters in flight.
- A, B, C.
- B, C.
- A, C.
- C.
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Question 4 of 14

4. Question
The wing tip vortices generated by a heavy aeroplane can cause a lighter aircraft encountering them to
1. sustain structural damage.
2. continue descent even when maximum power is applied.
3. go out of control.
- A, B, C.
- A, B.
- B, C.
- C.
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Question 5 of 14

5. Question
During the two minutes after the passage of a heavy aeroplane in cruising flight, hazardous wing tip vortices will
- dissipate very slowly.
- dissipate completely.
- dissipate rapidly.
- remain at cruising altitude.
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Question 6 of 14

6. Question
The pilot of a light aircraft on final approach close behind a heavier aircraft should plan the approach to land
- beyond the touchdown point of the other aircraft.
- prior to the touchdown point of the other aircraft.
- at the touchdown point of the other aircraft.
- to the right or left of the touchdown point of the other aircraft.
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Question 7 of 14

7. Question
Wake turbulence is produced by
- all fixed and rotary wing aircraft.
- heavy aeroplanes only, regardless of speed.
- turbojet-powered aircraft only.
- fast moving aeroplanes only.
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Question 8 of 14

8. Question
Wake turbulence caused by a departing large aeroplane begins
- with rotation.
- before rotation.
- after becoming airborne.
- with full power application.
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Question 9 of 14

9. Question
Wake turbulence caused by a departing aeroplane is most severe immediately
- following take-off.
- before rotation.
- above its flight path.
- following full power application.
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Question 10 of 14

10. Question
Which statement concerning wing tip vortices is false?
- Vortices are caused directly by “jet wash”.
- Lateral movement of vortices, even in a no wind condition, may place a vortex core over a parallel runway.
- With a light cross wind, one vortex can remain stationary over the ground for some time.
- Vortices normally settle below and behind the aircraft.
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Question 11 of 14

11. Question
Wake turbulence will be greatest when generated by an aeroplane which is
- heavy, clean configuration and slow speed.
- heavy, landing configuration and slow speed.
- light, clean configuration and high speed.
- heavy, take-off configuration and slow speed.
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Question 12 of 14

12. Question
A helicopter in forward flight produces hazardous vortices
- similar to wing tip vortices.
- which rise above the helicopter.
- which remains at the same level as the helicopter.
- ahead of the helicopter.
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Question 13 of 14

13. Question
Which statement concerning vortices caused by helicopters is correct?
- The size and weight of the helicopter has a direct influence on the intensity of the vortices.
- Helicopter vortices are generally weak and dissipate rapidly.
- Helicopter vortices are less intense than the vortices of an aeroplane of the same weight.
- Wind does not influence the movement of vortices generated by a helicopter in hovering flight.
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Question 14 of 14

14. Question
What effect would a light cross wind have on the wing tip vortices generated by a large aeroplane that had just taken off? A light cross wind
- could cause one vortex to remain over the runway for some time.
- would rapidly dissipate the strength of both vortices.
- would rapidly clear the runway of all vortices.
- would not affect the lateral movement of the vortices.
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