Landing Gear

Question 1

Gear Disagree mean?

Answer 1

Gear position disagrees with lever

Question 2

Max speed with gear down and extension and retraction?

Answer 2

270kias / 0.82

Question 3

What does moving landing gear lever to off position do?

Answer 3

Removes hydraulic pressure from landing gear system

Question 4

When does gear down lights illuminate?

Answer 4

When gear down and locked and gear doors have closed

Question 5

How gear and doors help up?

Answer 5

By mechanical uplocks

Question 6

Where are the tilt sensors?

Answer 6

On main landing gear

Question 7

What does nose air/ground sensing send signals to? (2)

Answer 7

• Stall warning system

- Portions of warning and caution system

Question 8

Can you take off if AIR/GND SYS or NOSE A/G SYS indicated on EICAS?

Answer 8

No

Question 9

What system removes the landing gear lever lock airborne?

Answer 9

Tilt sensor

Question 10

How is gear put in tilt position when lowered?

Answer 10

Hydraulically

Question 11

How many degrees for NWS via rudder pedals?

Answer 11

7 deg

Question 12

Tiller turns NWS up to how many deg?

Answer 12

65 deg

Question 13

How NWS, flaps, slats, and LDG gear powered if left hyd sys fails?

Answer 13

Right system through PTU

Question 14

How ALT Gear work?

Answer 14

Main battery bus DC powers dedication electric hydraulic pump to release uplocks and gear free falls (uses fluid within supply line)

Question 15

Normal hyd sys for brakes?

Answer 15

Right

Question 16

When does alternate brakes auto come on?

Answer 16

When right hyd sys press is low

Question 17

What system does alt brakes use?

Answer 17

Left

Question 18

When does brake source light illuminate?

Answer 18

When both normal and alt brakes sys pressures are low

Question 19

When in alt brakes what happens when brake pedals pushed?

Answer 19

sends hyd pressure through the alternate anti-skid valves to the brakes

Question 20

What brake systems does the autobrakes only work on?

Answer 20

Only the right systems of normal and reserve brakes (as anti-skid uses normal anti-skid valves, not alternate)

Question 21

Can the parking brake use any of the brake systems?

Answer 21

Yes

Question 22

What is min brake accumulator pre-charge pressure?

Answer 22

1000PSI

Question 23

What system pressurises the brake accumulator?

Answer 23

Right hyd sys

Question 24

How many brake applications can the accumulator provide?

Answer 24

several

Question 25

What does AUTO BRAKES light mean?

Answer 25

Auto brakes either disarmed or inoperative

Question 26

When does RTO engage?

Answer 26

• RTO selected
• Above 85kts
• Both thrust levers are retarded to idle

Question 27

How disengage RTO braking once initiated? (4)

Answer 27

• aircraft stops
• speedbrake lever stowed
• manual braking
• move selector top off

Question 28

Whats higher on a dry runway on landing? Man braking or Max Auto?

Answer 28

Manual braking

Question 29

When do autobrakes engage on landing? (2)

Answer 29

• both levers are at idle

- wheels have spun up

Question 30

How does autobrakes apply braking after touch down?

Answer 30

A small amount after touchdown, then scheduled amount once less than 1deg of pitch angle

Question 31

How disengage autobrakes on landing? (4)

Answer 31

• man braking
• turn switch to off or disarm
• speed brake lever moved down
• throttles moved forward

Question 32

Which brake systems have anti-skid?

Answer 32

All 3

Question 33

Which wheels receive anti-skid pairing in alt system?

Answer 33

lateral pairs

Question 34

Does normal/reserve system provide anti-skid for individual wheels?

Answer 34

Yes

Question 35

What does BRAKE SOURCE light mean?

Answer 35

Both normal and alt systems pressures are low

Question 36

DOORS light means?

Answer 36

A door is not closed