Landing Gear And Brakes Flashcards Preview

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Flashcards in Landing Gear And Brakes Deck (21):
1

What does the proximity sensors tell you
How many are therw

Landing gear up and locked/ down and lock/ WOW

6 wow sensors and
6 up locks
6 down lock

2

What is the PSEM

Proximity sensor electronic module
Controls the landing gear selector valve .

3

What is the switch in the emergency gear extension for

To by pass the PSAM to lower the landing gear in case of PSAM failure

4

What are the 3 ways of lowering the gear

Normal
Electrical override
Manual release of gear

5

What happens when the two wow sensors in the same wheel fail

Will precent the handle to be moved up.

6

What are the fusible plugs for

To prevent tire to burst in an overheat condition allowing tire to release pressure safely

7

What prevents the wheel from entering the wheel well spinning

The brake control module applies brakes for 4 seconds while the gear in retracting in the air

8

When will the landing gear aural warning come on

Flaps 5 or full regarles of throttle pos or radio altimeter

If flaps less than 5
RA < 700agl and TL below 45 degrees
( 59 degree single engine)

If RAdio altimer fail warning can be inhibited by inh button

9

Modules of the brake system

Two BCM brake control module
One auto brake module

10

What does the brakes control modules do

Locked wheel protection
Anti skid protection
Auto brake
Touchdown protection

11

How does the ABS works

System compares outboard wheels speed or inward wheels speed and allows a maximum of 33 % differential before it release the locked wheel

12

When is the anti skid protection not available

Speed less than 10 knots

13

Do you still have emergency parking brake available in the event hydraulic 1 and 2 failure

Yes with the use of accumulator

14

Describe the landing gear system

Trycicle landing gear
Electrically commanded Hydraulic actuated

15

How long will it take for the a landing gear issue after lowering gear

20 seconds

16

How are the brakes commanded

Brake by wire thru the use of the brake control module

Electrically commands hydraulic activated

17

Whag hydraulic system for braking

1 and 2. Both for parking/emergency

18

How many degrees of nose wheel steering

76 low speed
7 high speed


Degrees

19

Which hydraulic control steering

Number 2

20

How many emergency parking brakes

4

21

How do you know the autobrake is active

It shows on the ICAS