Landing Gear, Brakes, And Nose Wheel Steering

Question 0

How is the NLG held in the up and down position?

Answer 0

Over center mechanism

Question 1

How is the MLG held in the up and down position?

Answer 1

Mechanical up and down locks

Question 2

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

Answer 2

Yes

Question 3

How are the nose gear doors actuated?

Answer 3

Mechanically

Question 4

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

Answer 4

Aerodynamic seal

Question 5

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

Answer 5

EICAS primary page

Question 6

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

Answer 6

PSEU (proximity sensing electronic unit)

Question 7

Which component ensures that the gear handle can not be moved to the UP position on the ground?

Answer 7

Down-Lock solenoid

Question 8

When will the landing gear warning horn sound?

Answer 8

2 minutes after WOW, with one or both thrust levers at idle and airspeed =/< 163 KIAS or airspeed =/< 185 KIAS with flaps < 5 degrees

Question 9

When can the gear horn not be muted?

Answer 9

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

Question 10

Which hydraulic system operates the inboard brakes?

Answer 10

System 3

Question 11

Which hydraulic system operates the outboard brakes?

Answer 11

System #2

Question 12

When does the Anti-skid operate?

Answer 12

Wheel spin up = > 35 KTS or WOW plus 5 seconds

Question 13

What is the nose wheel steering degree of travel limits with nose wheel steering ON?

Answer 13

8 degrees L/R using rudder pedals

80 degrees L/R using tiller

Question 14

At what speed does the anti-skid control stop operating?

Answer 14

Wheel speed = < 10 KTS