787 SYS 4 Gear And Brakes

Question 1

How does the 78 reduce wear and tear on brakes during taxi and below what speed

Answer 1

-Each application uses alternate 1/2 brakes
- -8 <70 knots
- -9 <30 knots

Question 2

On dry runways, decel rates for MAX AUTO is _____ that produced by full manual braking

Answer 2

Less than

Question 3

When does RTO work

Answer 3

-on the ground
->85 knots GROUNDSPEED
-both thrust levers retarded to idle

Question 4

How does the ALTN GEAR extension system work

Answer 4

-dedicated DC powered hydraulic pump
-fluid from center system

Question 5

If ALTN GEAR is used to extend the gear what associated EICAS should be expected and why

Answer 5

-GEAR DOOR
Doors stay open in ALTN

Question 6

When do Autobrakes begin to work on landing

Answer 6

-Thrust levers Idle
-Wheel spin up

Question 7

What is the indication the parking brake is set

Answer 7

EICAS PARKING BRAKE SET

Question 8

What is the gear up/down speeds for all modes

Answer 8

270/.82