Stuff to do with the Landing Gear

Question 1

Max alt landing gear extension speed

Answer 1

175 KCAS

Question 2

Normal gear extension speeds

Answer 2

225 to extend, 250 once extended

Question 3

If the landing gear fails to retract inflight, you should:

Answer 3

NOT RETARD the throttles to idle in flight

UNARM the Ground Spoilers

Question 4

If the landing gear fails to retract, what action must be performed to prevent landing with 400 lbs of applied brake pressure?

Answer 4

Press and Hold the DUMP valve for three (3) seconds

Question 5

Which “Down and Locked Indication” has precedence over the other, The Landing Gear Control Panel OR the Landing Gear indication on the Flight Control Synoptic?

Answer 5

The Landing Gear Control Panel

Question 6

Is there an Alternate Landing Gear Extension procedure?

Answer 6

YES, Emergency blow down

Question 7

What is the Emergency Lander Gear Nitrogen Bottle Pressure?

Answer 7

3100 PSI

Question 8

What does the illuminated GEAR HANDLE light mean during dear retraction?

Answer 8

The Landing Gear AND/OR the Gear Doors are NOT retracted (up and locked)

Question 9

When will the GEAR HANDLE light extinguish on gear extension?

Answer 9

When all three gear are down and locked (gear door position is NOT considered)

Question 10

If the LANDING GEAR is not extended, when will the Landing Gear Warning Horn Sound?

Answer 10

> Any time the Flaps are selected more than 22°

> Aircraft Altitude <350’ AGL and either throttle is positioned to IDLE (may be muted)

Question 11

Anti-skid braking is available from which hydraulic system(s)?

Answer 11

L HYD / PTU / AUX

Question 12

What is the min accumulator pressure to set the parking brake?

Answer 12

1700 PSI

Question 13

What change occurs to the BRAKE PRESSURE display on the BRAKE synoptic when ANTISKID is selected OFF?

Answer 13

The PRESSURE scale changes a MAX of 800 PSI and a amber line appears at 400 PSI

Question 14

In order to obtain a valid BREAK WEAR INDICATION

Answer 14

The PARKING BRAKE must be set

Question 15

The DIGITAL ANTISKID CONTROL UNIT ALSO supplies wheel speed input in knots to which other mechanisms?

Answer 15

Ground Spoilers and Thrust reverses

Question 16

Below ___kts ground speed, TILLER STEERING can provide how many degrees of steering?

Answer 16

18 kts, 80° left and right

Question 17

RUDDER PEDAL STEERING normally provides how many degrees of steering?

Answer 17

7°

If TILLER STEERING FAIL CAS displayed - 16°

Question 18

You experience an AMBER WOW FAULT in flight. What should you do?

Answer 18

Turn off Ground Spoilers and refer to checklist

Question 19

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

Answer 19

ONE main gear WOW is AIR mode.

Question 20

Under which conditions on the ground will the landing gear warning horn sound?

Answer 20

Aircraft in Ground WOW mode, Air Data System indicates less than 60 kts, and the gear handle is up.

This can also happen in the air with WOW and ADS malfunctions

Question 21

Where can pilots find recommendations regarding landing with less than all three gear down and locked?

Answer 21

AFM, emergency procedures section

Question 22

The anti-skid system compares wheel speed to _____ in order to evaluate if a wheel is in a skid condition

Answer 22

IRS ground speed

Question 23

What does pulling the emergency landing gear T-handle do

Answer 23

It repositions the dump valves allowing fluid to be returned to the reservoir and releases the nitrogen to extend the landing gear

Question 24

What does pressing the DUMP VALVE switch do?

Answer 24

It resets the dump valves so that the landing gear can operate normally

Question 25

The landing gear door or landing gear uplock can be repositioned on the ground by:

Answer 25

Installing the door control valve pins, and opening the doors by operating the ground service valve

Question 26

What is the travel authority of the tiller steering?

Answer 26

Variable rate steering installed; 80° < 18 kts, decreasing to approx 16° as IRS speed increases.

Question 27

The over-travel indicator will pop up on the nose wheel steering collar at approximately how many degrees of travel?

Answer 27

80 to 84 degrees

Question 28

If an amber “ANTI-SKID FAIL” message is displayed in flight, should the ANTI-SKID system be turned OFF? Why?

Answer 28

No, the anti-skid system has backup paired wheel protection

Question 29

What are the three condition for the Landing Gear Warning Horn?

Can any of them be silenced?

Answer 29

• Throttle resolver angle less than 5°, gear not down and locked below 350’AGL and Flaps <22° (Can be silenced)
• Flaps extended beyond 22° with Gear not down and locked
• Landing gear handle UP while aircraft is on the ground

Question 30

What is the brake accumulator precharge pressure?

Answer 30

1200PSI - will not hold brakes.

Decrease 25 PSI for every 10° above or below 70°F

Question 31

Does crew have anti skid with only AUX pump operating?

Answer 31

Yes

Question 32

Can you take-off on a wet runway with Anti-skid inop

Answer 32

No.

Limitation:
Must have dry runway, 20° flaps, and cowl and wing anti-ice turned off.

Question 33

What does the Anti-skid control unit use to determine hydroplaning or locked wheel?

Answer 33

IRS 1 and 2 references are used to compare wheel speeds, along with individual wheel speed sensors.

Compares same wheel on opposite gear.

Question 34

On landing, when does the anti-skid control unit activate to low. speed braking?

Answer 34

When the aircraft decelerates below 10 kts.