Landing Gear, Brakes, Nose Wheel Steering Flashcards Preview

CRJ-900 Limitations > Landing Gear, Brakes, Nose Wheel Steering > Flashcards

Flashcards in Landing Gear, Brakes, Nose Wheel Steering Deck (15):
1

How is the main landing gear held in the up and down position

Mechanical up and down locks

2

How is the nose gear held in the up and down position

Over center mechanism

3

Do the forward nose gear doors remain open after a normal extension

Yes

4

How are the nose gear doors actuated

Mechanically

5

What is the purpose of the brushes on the main wheel wells

Aerodynamic seal

6

Where do you look to determine the position of the landing gear

EICAS primary page

7

Which component monitors the position of up locks, down locks, and gear door position and WOW sensors

PSEU (proximity sensing electronic unit)

8

Which component ensures that the gear handle cannot be moved to the up position on the ground

Down-lock solenoid

9

When will the landing gear warning horn sounds

2 minutes after weight off wheels with one or both thrust levers at idle and airspeed

10

When can the gear horn not be muted

Both thrust levers at idle and/or flaps > 30c

11

Which hydraulic system operates the inboard brakes

System #3

12

Which hydraulic system operates the outboard brakes

System #2

13

When does the Anti-skid operate

Wheel spin up > 35 kts or weight on wheels plus 5 seconds

14

What is the nose wheel steering degree of travel limits with nose wheel steering on

8 degrees either side of the center for rudder pedals 80 degrees either side of center for tiller

15

At what speed does anti-skid control stop operating

Wheel speed