Landing Gear

Question 1

“Brake Overheat” CAS appears at what temp?

Answer 1

650 C

Question 2

Fusible plugs melt at what temp?

Answer 2

199 C to release tire pressure if the wheel overheats

Question 3

Safety Plug deflates tire when?

Answer 3

Will deflate the tire if internal tire pressure exceeds 425 psi

Question 4

What does Anti-Skid sys provide?

Answer 4

1. Skid protection
2. Locked wheel protection
3. Touchdown/hydroplane protection
4. Main wheel de-spin control (takeoff)

Question 5

How many pins are removed before flight from the landing gear and door system?

Answer 5

6 - 3 gear, 3 door

Question 6

Vlo emergency

Answer 6

175 kts

Question 7

Vlo, Vle

Answer 7

225 kts, 250 kts

Question 8

During preflight, a gear uplock is closed. What action should you perform?

Answer 8

1. Pin gear door valve open
2. Tun on ext batt switch at L Front Access panel
3. Actuate aux pump at R Front Access panel until the gear door and uplocks open
4. Remove gear door pin
5. Actuate aux pump again until gear door closes
6. Turn off external batt switch

Question 9

If landing gear fails to retract, what action must be performed to prevent landing with 400 lb of applied brake pressure (wheel de-spin brakes)?

Answer 9

Press and hold the DUMP valve for 3 sec - releases the hyd pressure held on the brakes

Question 10

Which “Down and Locked Indication” has precedence?

Answer 10

The Landing Gear Control Panel.
Independent circuits for each ground lock switch

Question 11

Emergency Landing Gear Nitrogen Bottle Pressure

Answer 11

3,100 PSI

Question 12

What does an illuminated GEAR HANDLE light mean during gear retraction?

Answer 12

The landing gear and/or gear doors are NOT retracted (up and locked)

Question 13

When will the GEAR HANDLE light extinguish during gear extension?

Answer 13

When the Landing GEAR is down and locked (gear door position not consider)

Question 14

When will the Landing Gear Warning Horn sound if gear is not extended?

Answer 14

Flaps > 22° (can’t mute)
Aircraft Altitude < 350’ AGL and either throttle positioned to IDLE (may be muted)

Question 15

Anti Skid braking is available from which hyd sys?

Answer 15

Left / PTU / AUX

Question 16

What is the Min Accumulator Pressure to set the parking brake?

Answer 16

1700 psi min, recommended 3000 PSI

Question 17

Max Brake Pressure when using the PARK/EMER BRAKE or during No Antiskid Braking is?

Answer 17

400 PSI

Question 18

What change occurs to the Brake Pressure display on the Brake synoptic when antiskid is selected Off?

Answer 18

Pressure scale changes to a Max 800 PSI and an Amber Line appears at 400 PSI

Question 19

The Digital Antiskid Control Unit (DACU) also supplies wheel speed input of knots to which items?

Answer 19

Ground Spoilers
Thrust Reversers

Question 20

Below 18 kts Ground Speed, tiller steering provides how many degrees of steering?

Answer 20

80° left and right

Question 21

Rudder Pedal Steering normally provides how many degrees of steering?

Answer 21

7° left and right
If TILLER STEERING FAIL CAS, rudder pedal auth increases to 16°

Question 22

If you get an Amber WOW FAULT msg during flight, you shoud:

Answer 22

Select Ground Spoiler Switch OFF
Checklist

Question 23

An Amber WOW FAULT msg displayed during flight is an indication of?

Answer 23

Both MAIN GEAR WOW switches being in GROUND mode

Question 24

If you experience a Blue WOW FAULT msg during flight, you should

Answer 24

Refer to checklist

Question 25

What is required of the combined WOW to be in AIR mode?

Answer 25

One main gear wow in AIR

Question 26

If the Gear Handle will not move to the UP position after takeoff, you should:

Answer 26

Select Ground Spoiler Switch OFF
Refer to QRH checklist for landing gear failure to retract

Question 27

When would the landing gear warning horn sound on the ground?

Answer 27

Aircraft on the ground (WOW switches compressed)
ADS indicates < 60kt, and gear handle is in the retract position