Landing Gear and Brakes

Question 1

What does pulling the landing gear freefall lever do?

Answer 1

Relieves the HYD pressure in the landing gear lines and mechanically releases the uplock hooks for all the landing gear.

Question 2

What does it mean when the landing gear position indicators turn to red icons

Answer 2

That more than 20 seconds has passed since a discrepancy has been detected between the landing gear lever position and the actual gear position.

Question 3

If the parking brake is not fully released on the ground, what CAS message will be displayed?

Answer 3

Either a white PARKING BRAKE ON cas or a cyan CHECK PARKING BRAKE cas.

Question 4

If the parking brake is not fully released in flight, what CAS message will be displayed?

Answer 4

Amber PARK BRAKE NOT REL cas.

Question 5

Where can the emergency/ park brake accumulator pressure and the brake temp indications be seen

Answer 5

On the STATUS synoptic page

Question 6

How long can the light on the STEERING button and the STEERING DISC CAS message take to go off after the first engagement of the nose wheel.

Answer 6

up to 2 seconds.

Question 7

Which steering switch has priority safe operation on the ground

Answer 7

The external STEERING DISENGAGE switch.

Question 8

When will the green TOWING ALLOWED light in the external steering panel illuminate

Answer 8

When the external STEERING DISENGAGE switch is in the DISENGAGE position and the parking brake is not applied.

Question 9

How far should the airplane be towed slowly in a straight line before turning.

Answer 9

10 feet.

Question 10

When should the DN LCK REL (down lock release) button be used.

Answer 10

Only in the event of an landing gear failure when necessary to clear obstacles.

Question 11

What type of brake system is on the aircraft

Answer 11

Brake By wire.

Question 12

During normal ops, what does the Brake Control Unit (BCU) provide

Answer 12

1) Lock wheel protection
2) Anti Skid protection
3) gear retract braking
4) Touchdown protection
5) a gear extension test
6) brake temp monitoring
7) Auto-braking

Question 13

Where can the Brake Temp Monitoring System (BTMS) information be found and what does it provide

Answer 13

On the STATUS synoptic page, brake temp status on the synoptic page and brake overheat warning on the EICAS.

Question 14

Where must the brake temp indication be prior to TO

Answer 14

in the green range.

Question 15

What are two different modes for AUTOBRAKE

Answer 15

1) Landing Mode (LO, MED, HI)

2) Rejected TO (RTO)

Question 16

What kind of pressure will autobrake in the RTO mode apply.

Answer 16

A brake pressure equivalent to max manual braking.

Question 17

When will AUTOBRAKE applications begin on landing

Answer 17

One second after WOW indicates ground and TL signal at idle.

Question 18

Is antiskid protection available when braking with the emergency/ parking brake

Answer 18

No

Question 19

What handle position is used when using the emergency parking brake as a parking brake

Answer 19

Pulled until is locks in the full up position.

Question 20

Where can the emergency parking brake handle be set to as a reference for emergency braking.

Answer 20

To the intermediate position (first detent)

Question 21

How can the emergency/ parking brake be modulated

Answer 21

By keeping the release button pressed

Question 22

How many full applications/ how many hours of parking do the emergency/ parking brake accumulators provide

Answer 22

6 full or 16 hours.

Question 23

When the airplane is airborne, will be steering system engage?

Answer 23

No, it will automatically be disengaged.

Question 24

What is the maximum range that the nose wheel can turn in free wheel steering mode

Answer 24

+- 170 deg

Question 25

List the steering angles and associated speed with nose wheel steering engaged

Answer 25

Steering angle varies from +-62 deg up to 10 kts, decreasing laterally to +-8deg at 25 kts and then to +-3 deg at 68 kts.