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)
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1
Q

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

A

Mechanical up and down locks

2
Q

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

A

Over center mechanism

3
Q

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

A

Yes

4
Q

How are the nose gear doors actuated

A

Mechanically

5
Q

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

A

Aerodynamic seal

6
Q

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

A

EICAS primary page

7
Q

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

A

PSEU (proximity sensing electronic unit)

8
Q

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

A

Down-lock solenoid

9
Q

When will the landing gear warning horn sounds

A

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

10
Q

When can the gear horn not be muted

A

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

11
Q

Which hydraulic system operates the inboard brakes

A

System #3

12
Q

Which hydraulic system operates the outboard brakes

A

System #2

13
Q

When does the Anti-skid operate

A

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

14
Q

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

A

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

15
Q

At what speed does anti-skid control stop operating

A

Wheel speed