Landing Gear

Question 1

How is the gear held up

Answer 1

Hydraulically

Question 2

How is the gear held down

Answer 2

Hydraulically + down lock

Question 3

How is the gear actuated

Answer 3

Hydraulically

Question 4

How is the gear powered

Answer 4

Electrically

Question 5

What makes the landing smooth

Answer 5

Nitrogen/oil shock absorber + trailing link

Question 6

How do you know if the gear light work?

Answer 6

Gear / fire test switch

Question 7

When is the hydraulic system pressurized

Answer 7

Whenever the electric master is on

Question 8

When does the pressure switch deactivate the pressure pump

Answer 8

When hydraulic pressure reaches 1650 psi

Question 9

When does it activate

Answer 9

If drops under 1400 psi

Question 10

What if hydraulic pressure is lost in flight

Answer 10

Gear falls in down and locked position

Question 11

When does the gear warning horn sound

Answer 11

Engine under 25%
Flaps 2nd notch (landing)
On ground if one tries to retract.

Question 12

Under what speed one must be to use the emergency gear lever

Answer 12

152 kts

Question 13

Vlo e

Answer 13

188

Question 14

Vlo r

Answer 14

152 kts

Question 15

What do you do if the hydraulic pump runs for longer than 20 sec after the Elect Master switch is turned on

Answer 15

Discontinue the flight preparation