Chapter 14 - Landing Gear

Question 1

What is the normal brake value range ?

Answer 1

3-4.

Question 2

What is the meaning of the BRAKE SOURCE light ?

Answer 2

Low pressure in both normal and alternate brake system (only accumulator available).

Question 3

How is the nose gear held up ? And the main gear ?

Answer 3

• Uplocks

- Door structure

Question 4

What is the meaning of the LG GEAR light ?

Answer 4

In transit or disagreement

Question 5

What is the meaning of the LG DOORS light ?

Answer 5

Any door is still open.

Question 6

How does the alternate gear extension work ?

Answer 6

An electric motor that releases the uplocks. Doors remain open and DOORS remains illuminated.

Question 7

Is anti-skid provided to the alternate brakes ?

Answer 7

Yes, to lateral wheel pairs.

Question 8

What is the speed required for RTO autobrakes to engages in case of an RTO ?

Answer 8

85kts or more.

Question 9

Autobrakes engage when:

Answer 9

• Thrust levers idle, AND

- Wheels spin up

Question 10

Does full braking start immediately with autobrakes ?

Answer 10

No, deceleration is limited until main LG is fully on the ground.

Question 11

Do autobrakes disengage when an antiskid fault occurs ?

Answer 11

Yes.

Question 12

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

Answer 12

Yes, parking brake can be set using pressure from normal brakes, alternate brakes or brake accumulator.

Question 13

The tiller input can rotate the nosewheel:

The rudder pedals can rotate the nosewheel:

Answer 13

65deg in either direction.

7deg in either direction