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United A320 > Systems - Landing Gear > Flashcards

Systems - Landing Gear Flashcards

1
Q

Why are there two triangles for each gear on the ECAM WHEEL page?
(FM 8.140.20.7)

A

Each triangle represents the gear position detected by one of the two LGCIUs.

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2
Q

The landing gear hydraulic safety valve is controlled by
(FM 8.140.10.4)

A

The gear lever and ADIRUs 1 and/or 3.

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3
Q

Which statement is true concerning the green hydraulic system as it relates to normal landing gear extension?
(FM 8.140.10.4

A

Hydraulic system remains pressurized with gear extended.

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4
Q

The landing gear extension and retraction is controlled electrically by
(FM 8.140.10.4)

A

LGCIU 1 or 2.

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5
Q

Which hydraulic system(s) extends and retracts the landing gear?
(FM 8.140.10.4)

A

Green.

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6
Q

With the gear NOT down , what causes the red landing gear DOWN arrow to illuminate?
(FM 8.140.20.1)

A

RA < 750 feet with power at approach settings and flaps not 0.

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7
Q

The landing gear DOWN arrow illuminates red with associated ECAM L/G GEAR NOT DOWN warning if the landing gear is not down and
(FM 8.140.20.1)

A

Flaps 3 or FULL selected with both radio altimeters inoperative.

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8
Q

According to the graphic, what is the position of the landing gear?
(FM 8.140.20.7)

A

One LGCIU has failed and the gear is downlocked.

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9
Q

What is a characteristic of landing gear gravity extension (except 49XX 320s)? (FM 8.140.10.5)

A

Nosewheel steering is deactivated.

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10
Q

Which hydraulic system(s) provides pressure for the NORMAL brakes? (FM 8.140.10.1)

A

Green.

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11
Q

(319/320 as installed) Which landing gear system is lost with a green hydraulic failure?
(FM 8.140.10.1)

A

Nose wheel steering.

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12
Q

With a green hydraulic system failure only, which brake system is not available? (FM 8.140.10.2)

A

Autobrakes.

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13
Q

If the aircraft starts to move during engine start with the PARK BRK handle on (due to parking brake failure) (FM 8.140.10.3)

A

Restore braking with the brake pedals.

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14
Q

What happens if the A/SKID & N/W STRG switch is turned off (except 49XX 320s)? (FM 8.140.20.3)

A

Brakes revert to the alternate brake system without nose wheel
steering or antiskid.

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15
Q

A brake accumulator supplies at least ______ full brake applications
(FM 8.140.10.3)

A

7

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16
Q

Which hydraulic system(s) provides pressure for the ALTERNATE brakes? (FM 8.140.10.3)

17
Q

Which hydraulic system is used for the parking brake? (FM 8.140.10.3)

18
Q

Which hydraulic system provides brake pressure indications on the BRAKES and ACCU PRESS indicator? (FM 8.140.20.4)

19
Q

What pilot action is required on touchdown if a loss of normal braking and a failure of the antiskid system occurred inflight? (FM 8.140.20.8)

A

Monitor the brake pressure using the BRAKES and ACCU PRESS indicator.

20
Q

What type of brakes are available with only a green hydraulic failure?
(FM 8.140.20.8)

A

Alternate brakes with antiskid.

21
Q

Except on 49XX 320s, when alternate braking is available without antiskid due to a BSCU failure, pedal pressure must be controlled to prevent wheel lockup, and (FM 8.140.10.3)

A

Brake pressure must be limited to a maximum of 1000 PSI on the BRAKES and ACCU PRESS indicator.

22
Q

The antiskid system is deactivated with (FM 8.140.10.2)

A

Groundspeed less than 20 knots.

23
Q

Which system is not active if a takeoff is rejected below 72 knots?
(FM 8.140.10.2)

A

Autobrakes.

24
Q

The BSCUs control (FM 8.140.10.1)

A

Antiskid operation.

25
Q

Which hydraulic system(s) supplies pressure for nose wheel steering (except 49XX 320s)? (FM 8.140.10.5)

26
Q

What does the green NW STRG DISC ECAM memo indicate?
(FM 8.140.10.5)

A

A lever on the towing electrical box is in the towing position and the nose wheel steering system is deactivated.

27
Q

If the PEDALS DISC button is pushed and held, what happens?
(FM 8.140.10.5)

A

Rudder pedal control of the nose wheel steering is disconnected.

28
Q

What does an amber NW STRG DISC ECAM memo indicate?
(FM 8.140.10.5)

A

The nose gear steering has been deactivated for towing and the first engine is started.

29
Q

Automatic braking is initiated by the (FM 8.140.10.2)

A

Ground spoiler extension command.

30
Q

The green DECEL light on the AUTO/BRK panel illuminates when
(FM 8.140.20.2)

A

Actual airplane deceleration equals 80% of selected rate.

31
Q

The autobrake system can be disarmed by (FM 8.140.10.2)

A

Applying sufficient brake pedal pressure to one pedal.

32
Q

After landing, where would you look to find the actual brake temperature?
(FM 8.140.20.8)

A

On the ECAM WHEEL page.

United A320 (19 decks)

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