Systems- Landing Gear/Brakes, Lighting, Navigation, Pneumatics

Question 1

Where are the brake accumulators and what is their minimum pressure?

Answer 1

• The nose wheel well

- 750 PSI

Question 2

Where is the brake pressure displayed?

Answer 2

On EICAS hydraulic synoptic page

Question 3

What lowers the gear and assists the gear downlocks during manual lowering?

Answer 3

• Gravity

- NOSE: Download springs; MAINS: #2 system downlock assist

Question 4

Will the nose doors close after a manual gear lowering?

Answer 4

No

Question 5

What is required before the parking brake will hold?

Answer 5

3 hydraulic pressure

Question 6

When does the ANTI-SKID take efffect on landing?

Answer 6

WOW or 35kts wheel speed

Question 7

is the default position of the PSEU AIR or GROUND and how does the PSEU determine the aircraft is on the ground?

Answer 7

• AIR

- 3 of the 4 main WOW switches indicate WOW

Question 8

What is the purpose of the WOW switches on the nose wheel?

Answer 8

Enable nose steering

Question 9

What is the purpose of the WING INSP switch?

Answer 9

Illuminate the wing to see if ice is accumulating

Question 10

Which lights do the L/R landing lights control?

Answer 10

Both the LANDING and the TAXI/RECOGNITION lights

Question 11

Is there a time limit on the nose landing light?

Answer 11

No

Question 12

What do you have to do if you forget to turn off the EMER lights?

Answer 12

• Restart APU
• Turn on APU GEN
• Turn off EMER Light

Question 13

What is the normal IRS align time?

Answer 13

7 minutes

Question 14

Will the IRS align if the present position is not entered?

Answer 14

No

Question 15

What does an amber return indicate on the weather radar display?

Answer 15

Moderate precip

Question 16

What color is a TA TCAS traffic symbol?

Answer 16

Yellow

Question 17

What is the navigational accuracy with “GPS APPR” indicated?

Answer 17

.3nm

Question 18

How does the EGPWS differentiate between increasing and decreasing performance windshears?

Answer 18

• Increasing is AMBER

- Decreasing is RED

Question 19

What does “LOC WILL BE TUNED” mean?

Answer 19

• LOC will be AUTO-TUNED within 35nm of ARP

- VOR TUNE is in MAN mode

Question 20

What is the purpose of the CRS knob on the FCP?

Answer 20

Manually set VOR or LOC course

Question 21

What is the 14th stage bleed air used for?

Answer 21

• Wing and cowl ANTI-ICE

- Thrust reversers

Question 22

What is the FAIL-SAFE position for the 14th stae SOV’s?

Answer 22

Open

Question 23

What is the purpose of the APU LCV INTERLOCK?

Answer 23

To protect the APU

Question 24

When is the APU LCV INTERLOCK activated?

Answer 24

• APU LCV OPEN and LEFT 10th switchlight is pushed IN

- APU LCV OPEN and RIGHT 10th switchlight is pushed in with ISOL valve OPEN.

Question 25

Where is the 10th stage bleed pressure indicated?

Answer 25

ED 2 below APU RPM and EGT

Question 26

What is the minimum air pressure needed from an external air cart?

Answer 26

45psi

Question 27

How many WoW and downlock proximity sensors does your main gear have?

Answer 27

Each main gear has 2 WoW 2 downlock proximity sensors

Question 28

What assist the nose gear during both mechanical and manual extension?

Answer 28

Two downlock assist springs that are extended when retracted. When actuation is commanded the springs are allowed to retract which helps pull the gear down.

Question 29

How does the tiller actuate the nose wheel steering?

Answer 29

Steer-by-wire The tiller and the rudder pedals connect to an Electrical Control Unit that then sends voltage signals to the electrohydraulic servovalve.

Question 30

Brake pressure range

Answer 30

1050-3200psi

Question 31

Landing gear can be extended below______________ft.

Answer 31

20,000ft