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yupi-s-TiSiTi. > Landing Gear > Flashcards

Landing Gear Flashcards

1
Q

Pressurizing system 4 before pressurizing the other systems precludes what?

A

Transfer of hydraulic fluid from system 1 or 2 to system 4

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2
Q

The normal brake hydraulic system is powered by which hydraulic system?

A

4

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3
Q

After alternate gear extension, the gear doors are in what position?

A

Open

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4
Q

The autobrake system provides braking until when?

A

A complete stop
or
the system disarmed

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5
Q

What would cause the autobrake system to disarm immediately?

A

Advancing thrust levers or fault

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6
Q

What is the source of the ground speed information provided to the antiskid controller?

A

The IRUs

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7
Q

In flight, the gear lever lock is released when what two conditions are met?

A

Main gear is tilted and body gear is centered

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8
Q

Body gear steering operates when the nosewheel steering angle exceeds __ degrees.

A

20

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9
Q

The body gear is hydraulically centered and body gear steering is deactivated as the aircraft accelerates through what speed?

A

20 knots

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10
Q

For which hydraulic brake systems are autobrakes available?

A

Normal

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11
Q

If hydraulic system 4 pressure is low, which hydraulic system would supply pressure to the alternate brake hydraulic system?

A

1

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12
Q

Rather than to individual wheels, the alternate brake system provides antiskid protection to the wheels how?

A

Lateral wheel pairs

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13
Q

During takeoff, with RTO selected, when would RTO engage?

A

Aircraft on ground, groundspeed > 85 knots, and all thrust levers closed.

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14
Q

Loss of which hydraulic systems causes the brake source light to illuminate?

A

4, 1, 2

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15
Q

Which brake hydraulic system provides main gear wheel with individual antiskid protection?

A

Normal

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16
Q

At what speed is the RTO autobrake function inoperable if an RTO is initiated?

A

below 85 knots

17
Q

The autobrake system is only available through which of the following?

A

Normal brake system

18
Q

Which autobrake setting provides maximum braking?

A

RTO

19
Q

When are autobrakes disarmed?

A

DISARM or OFF are selected, manual brakes are applied, or any Thrust Lever is advanced

20
Q

For landing, the 5 levels of autobrake settings modulate autobrake pressure based on what?

A

Deceleration rate

21
Q

Body gear steering is reactivated when decelerating past what speed?

A

15 knots

22
Q

Rudder pedals will steer the nosewheel up to what angle?

A

7 degrees

23
Q

The tiller will steer the nosewheel up to what angle?

A

70 degrees

24
Q

Which hydraulic brake systems have antiskid protection?

A

Normal and alternate

25
Q

Is it possible to stop the aircraft with the brake accumulator?

A

No

26
Q

How are alternate brakes powered?

A

Hyd system 1 or system 2 if 1 is unpressurized

27
Q

What does the BRAKE SOURCE light indicate?

A

Loss of Hydraulic system 4, 2, and 1

28
Q

Which hydraulic system pressurizes the parking brake accumulator?

A

4

29
Q

Can the parking brake be set with only the alternate brake hydraulic system pressurized?

A

Yes

30
Q

How can parking brakes be set?

A

Hyd system
2 alternate brakes and normal brakes

31
Q

During gear retraction, how is main gear wheel rotation stopped?

A

Brakes are applied on the main gear wheels automatically

32
Q

During alternate gear extension, how are the gear uplocks and gear door latches released?

A

Electically

33
Q

After landing when does autobrake application begin?

A

Main wheels have spun up and all Thrust Levers are closed

34
Q

Autobrakes are available with what?

A

Normal brakes

35
Q

How are autobrakes powered?

A

Hydraulic system 4

36
Q

Alternate Landing Gear Extension speed limits

A

Do not exceed the gear EXTEND limit speed
(270K/.82)

*reduction of speed to below 0.60 Mach may be needed for the wing gear to lock down.

37
Q

What are the 3 conditions for the RTO to command Maximum braking pressure?

A
  • Airplane on ground;
  • Ground Speed > 85kt
  • All Thrust Levers Closed.
38
Q

What are the 3 conditions for the AUTO BRAKE to begin brakes application?

A
  • All Thrust Levers closed;
  • Ground Mode sensd (tilted)
  • Wheels have spun up.
39
Q

Auto brakes disarms when?

A
  • Manual Brakes applied;
  • Any Thrust Lever advanced;
  • Speed Brake move forward;
  • Disarm or Off selected;
  • Fault on the system.

yupi-s-TiSiTi. (24 decks)

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