Landing Gear, Brakes, Nose Wheel Steering

Question 1

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

Answer 1

Mechanical up and down locks

Question 2

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

Answer 2

Over center mechanism

Question 3

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

Answer 3

Yes

Question 4

How are the nose gear doors actuated

Answer 4

Mechanically

Question 5

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

Answer 5

Aerodynamic seal

Question 6

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

Answer 6

EICAS primary page

Question 7

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

Answer 7

PSEU (proximity sensing electronic unit)

Question 8

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

Answer 8

Down-lock solenoid

Question 9

When will the landing gear warning horn sounds

Answer 9

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

Question 10

When can the gear horn not be muted

Answer 10

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

Question 11

Which hydraulic system operates the inboard brakes

Answer 11

System #3

Question 12

Which hydraulic system operates the outboard brakes

Answer 12

System #2

Question 13

When does the Anti-skid operate

Answer 13

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

Question 14

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

Answer 14

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

Question 15

At what speed does anti-skid control stop operating

Answer 15

Wheel speed