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Airbus A320 > Flaps / Slats > Flashcards

Flaps / Slats Flashcards

1
Q

How many flaps and slats surfaces ?

A

5 slats surfaces per wing
2 flaps surfaces per wing

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2
Q

How many positions on the flaps/slats lever ?

A

5 positions (0 - 1 - 2 - 3 and FULL)

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3
Q

What is the SFCC and how many are there ?

A

There are 2 Slats Flaps Control Computers, which controls the operation of the SLATS and the other one for the FLAPS.
Each SFCC has 2 channels, one for the slats and the other one for the flaps.

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4
Q

Which HYD sytems power the SLATS Power Control Unit ?

A
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5
Q

Which HYD sytems power the FLAPS Power Control Unit ?

A
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6
Q

What is the purpose of the Pressure Off Brake ?

A
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7
Q

What is the purpose of the Asymetric Position Pick-Off Unit ?

A
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8
Q

What is the purpose of the Wing Tip Brakes ?

A
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9
Q

Which HYD sytems power the WTB slats ?

A
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10
Q

Which HYD sytems power the WTB left flaps ?

A
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11
Q

Which HYD sytems power the WTB right flaps ?

A
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12
Q

What happens if FLAPS WTB is ON ?

A

Pilot can still operate the slats

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13
Q

What happens if SLATS WTB is ON ?

A

Pilot can still operate the flaps

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14
Q

What happens in case of a SFCC failure ?

A

Both slats and flaps operate at half speed

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15
Q

What happens if one HYD system is inoperative ?

A

The corresponding surfaces (slats or flaps) operate at half speed

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16
Q

At which speed do the flaps automatically retract from CONF 1+F to 0 ?

A

210 kt (before reaching VFE)

17
Q

At which speed do the flaps automatically extend from CONF 1 to CONF 1+F ?

A

100 kt

18
Q

What happens during a Go-Around when the crew select CONF 1 lever when speed is below 210 kt ?

A

When selecting CONF 1 from CONF 2 when speed is below 210 kt, pilot get CONF 1+F

19
Q

What is the purpose of the ALPHA/SPEED lock funtion (slats)

A

It inhibits the slats retraction at high AoA and low speed.

20
Q

When does the ALPHA/SPEED lock function activate ?

A

If the AoA is above 8.5° or speed below 148 kt

21
Q

When does the ALPHA/SPEED lock function reset ?

A

If the AoA is less than 7.6° or speed above 154 kt

22
Q

What are the corresponding slats/flaps position in ° during CONF 1 ?

A

Slats : 18°
Flaps : 0°

23
Q

What are the corresponding slats/flaps position in ° during CONF 1+F ?

A

Slats : 18°
Flaps : 10°

24
Q

What are the corresponding slats/flaps position in ° during CONF 2 ?

A

Slats : 22°
Flaps : 15°

25
Q

What are the corresponding slats/flaps position in ° during CONF 3 ?

A

Slats : 22°
Flaps : 20°

26
Q

What are the corresponding slats/flaps position in ° during CONF FULL ?

A

Slats : 27°
Flaps : 35°

Airbus A320 (23 decks)

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