8) Windshear Flashcards

1
Q

1- Define Predictive Windshear System (PWS)?

A
  • It is a System that predicts windshear events in the proximity of the aircraft.
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2
Q

2-How the PWS works?

A
  • It generates Caution or Warning alerts to predict windshear events in the proximity of the aircraft.
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3
Q

3- What is the difference between Caution or Warning PWS alert?

A
  • A WARNING predicts an event that is closer to the aircraft than a CAUTION alert.
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4
Q

4- How you avoid a windshear?

A
  • Use judgement to evaluate the weather and take the decision.
  • If Does NOT look good, DON’T GO!!!!!!
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5
Q

5- Normally, how long a windshear event last?

A
  • An average windshear last only 10-15 minutes
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6
Q

6- What kind of windshear can you expect with any hazardous convective weather within 15 miles of airport?

A
  • High Windshear likely
  • Medium Windshear possible
  • Low Windshear unlikely
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7
Q

7- What is the right judgement for HIGH Windshear event?

A
  • Delaying or Diverting is recommended
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8
Q

8- What is the right judgement for Medium Windshear event?

A
  • Use appropriate precautions
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9
Q

9- What is the right judgement for Low Windshear event?

A
  • Use appropriate precautions
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10
Q

10- How you identify a windshear?

A

1- Pilot Reports of winshear or turbulence

2- Low-level windshear Alerts

3- Weather Reports including thunderstorms and Virga

4- Avoid areas of severe weather

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11
Q

11- How you identify areas of severe windshear?

A
  • Airspeeds changes greater than 15 kts.
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12
Q

12- What takeoff flap setting is recommended for windshear?

A
  • Flaps 5-15

- 737 MAX : Flaps 5/10/15

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13
Q

13- What thrust setting is recommended for windshear at takeoff?

A
  • 26K or 27K if planned

- 737 MAX : TO thrust

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14
Q

14- What runway is prefer for windshear for takeoff?

A
  • Longest suitable runway
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15
Q

15- What adjust to Vr is recommended for windshear at takeoff?

A
  • Vr increase to performance limited gross weight rotation speed.
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16
Q

16- What Flap setting is recommended when you are expecting windshear for landing?

A
  • Flaps 30, consistent with field length
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17
Q

17- What runway is prefer for windshear for landing?

A
  • Longest suitable runway
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18
Q

18- How you monitor glidepath if you encounter windshield for landing?

A
  • Use ILS or VASI
19
Q

19- When you have to be stabilized on the approach during a landing windshear?

A
  • No later than 1,000 ft AGL
20
Q

20- What you have to consider related to thrust during a landing windshear?

A
  • Minimized thrust reductions.
21
Q

21- How you obtain positive terrain separation during a takeoff windshear?

A
  • Flight at intermittent stick shaker may be needed

- Use smooth , steady controls to avoid a pitch attitude overshoot and stall

22
Q

22- What you do if you get CAUTION + “Monitor Radar Display” before V1?

A
  • DELAY or REJECT TAKEOFF
23
Q

23- What you do if you get CAUTION + “Monitor Radar Display” above V1?

A
  • Maneuver as required to avoid windshear

- Consider using maximum thrust

24
Q

24- What you do if you get WARNING + “WINDSHEAR AHEAD, WINDSHEAR AHEAD” before V1?

A
  • DELAY or REJECT TAKEOFF
25
Q

25- What you do if you get WARNING + “WINDSHEAR AHEAD, WINDSHEAR AHEAD” above V1?

A
  • Perform the WINDSHEAR ESCAPE MANEUVER
26
Q

26- What you do if you get WARNING + “WINDSHEAR, WINDSHEAR, WINDSHEAR” (Reactive) before V1?

A
  • DELAY or REJECT TAKEOFF
27
Q

27-What you do if you get WARNING + “WINDSHEAR, WINDSHEAR, WINDSHEAR”(Reactive) above V1?

A
  • Perform the WINDSHEAR ESCAPE MANEUVER
28
Q

28- What you do if you get Unacceptable Airspeed Deviations before V1?

A
  • REJECT TAKEOFF
29
Q

29- What you do if you get Unacceptable Airspeed Deviations above V1?

A
  • Perform the WINDSHEAR ESCAPE MANEUVER

- At Vr, normal rotation to 15 degrees no later than 2,000 ft of runway remaining

30
Q

30- What you do if you get CAUTION + “Monitor Radar Display” during approach?

A
  • Continue the approach if able to avoid windshear, or

- GO-AROUND and maneuver to avoid windshear

31
Q

31- What you do if you get WARNING + “WINDSHEAR AHEAD, WINDSHEAR AHEAD” during approach?

A

Perform either:

  • GO-AROUND, OR
  • WINDSHEAR ESCAPE MANEUVER
32
Q

32- What you do if you get WARNING + “WINDSHEAR, WINDSHEAR, WINDSHEAR “ (Reactive) during approach?

A
  • Perform the WINDSHEAR ESCAPE MANEUVER
33
Q

33- What you do if you get Unacceptable Airspeed or Flight Path Deviations during approach?

A
  • Perform the WINDSHEAR ESCAPE MANEUVER
34
Q

34- When the CAUTION + “Monitor Radar Display” is inhibited during takeoff?

A
  • From 80 kts to 400 ft (RA)
35
Q

35- When the WARNING + “WINDSHEAR AHEAD, WINDSHEAR AHEAD” is inhibited during takeoff?

A
  • From 100 kts to 50 ft (RA)
36
Q

36- When the is WARNING + “WINDSHEAR, WINDSHEAR, WINDSHEAR” (Reactive) inhibited during takeoff?

A
  • Until rotation
37
Q

37- Define Reactive Windshear System (RWS)?

A
  • It is when the system identify the aircraft is in an actual windshear situation.
38
Q

38- When the CAUTION + “Monitor Radar Display” is inhibited during approach?

A
  • Bellow 400 ft (RA)
39
Q

39- When the is the GO-AROUND, WINDSHEAR AHEAD inhibited during approach?

A
  • Bellow 50 ft (RA)
40
Q

40- What could be good examples of unacceptable flight path deviations bellow 1,000 ft AGL?

A

1- Greater than 15 kts indicated airspeed

2- 500 fpm vertical speed

3- 5 degrees pitch attitude

4- 1 dot displacement from glideslope

5- Unusual thrust lever position for a significant period of time

41
Q

41- What is the immediate callout after encountering windshear?

A
  • ESCAPE, MY AIRCRAFT
42
Q

42- What are the actions required by the profile to escape windshear?

A
  • Disengage the autopilot and push TOGA
  • Apply Maximum thrust
  • Disengage the autothrottle
  • Roll wins level and pitch 15 degrees attitude
  • Retract Speedbrakes
  • Follow the FD TOGA guidance and respect PLI
  • Do not change configuration
  • Monitor vertical speed
  • Do not regain airspeed until windshear is no longer a factor
43
Q

43- After escaping windshear, what actions you take?

A
  • Resume normal flight

- Retract gear and flaps as required

44
Q

44- What are the PM actions during escaping windshear?

A
  • Verify maximum thrust
  • Verify all needed actions are completed and call out any omissions
  • Monitor vertical speed and altitude
  • Callout any trend toward terrain contact, descending flight path, airspeed changes
  • After recovery issue PIREP to ATC