Landing Gear

Question 1

What would a red BTMS indication tell you

Answer 1

Brake overheat

Question 2

What HYD system provides normal extension and retraction for the landing gear

Answer 2

3

Question 3

Which electrical power source is required to open/close the nose wheel doors
PSM 16-20-8

Answer 3

None: it’s mechanical

Question 4

How is the landing gear held up in place

Answer 4

Mechanical up locks

Question 5

How is the landing gear held down and locked

Answer 5

Mains: 2 overcenter springs and hydraulic lock
Nose: mechanically by the drag brace(overcenter)

Question 6

If you lose HYD 3 system describe how to lower gear

Answer 6

Pull the T handle and lower with HYD 2 assist

Question 7

What are the green, white and red ranges of the BTMS

Answer 7

Green: 00-06
White: 07-14
Red: 15-20

Question 8

What is the primary reason of the MLG brush seals

Answer 8

To provide aerodynamic airflow

Question 9

When can you silence the landing gear horn

Answer 9

Single engine go around

Question 10

When is the anti-skid active on the ground

Answer 10

When the wheels spins up to 35 kts and remains on till the wheels slow to 10 kts with the anti skid on

Question 11

If you walk up to an airplane and the BTMS units read 1 but they are red, why?

Answer 11

They had an overheat but didn’t reset it

Question 12

Why must the gear manual release handle be in the full up position during manual extension

Answer 12

The T handle operates in the extended and in the detention position

Question 13

When will the brake temperature be displayed on the EICAS

PSM 16-40-6

Answer 13

When the landing gear and slats/flaps position indications are being displayed on the primary page

Question 14

What system actuated the landing gear alternative extension actuators(accumulators?)

Answer 14

2