Landing Gear

Question 1

Which landing gear have weight on wheels proximity sensors?

Answer 1

Nose gear and both main gears

Question 2

What happens When the LG PULL handle is raised in flight?

Answer 2

Unlocks mechanically release
Runaround and dump valve opens
Auxiliary actuators are pressurized from the right hydraulic system

Question 3

What is the maximum altitude the landing gear may be extended in the challenger 350 aircraft?

Answer 3

18000 ft

Question 4

What is the proper condition for accurately checking the brake wear indicator pins during preflight?

Answer 4

Both hydraulic systems pressurized

Parking/ emergency brake set

Question 5

If the main landing gear door is missing during the walk around, which document determines remarks or exceptions which must be observed?

Answer 5

CDL

Configuration deviation list

Question 6

What is the minimum pavement width for 180° turn with a 5 foot safety margin?

Answer 6

58ft

Question 7

In case of failure of both left and right hydraulic system, Accumulators in both hydraulic brake systems provide pressure for at least how many brake applications?

Answer 7

One

Question 8

While towing, the torque links may be disconnected to allow towing at any angle, as long as the NLG shock strut extension exceeds how many inches of visible chrome?

Answer 8

3.5 inches

Question 9

The brake control unit BCU provides antiskid protection down to how many knots on each mean wheel?

Answer 9

10 kts

Question 10

What is the maximum tire speed?

Answer 10

182 kts

Question 11

What is the maximum landing gear retraction speed?

Answer 11

200 KIAS

Question 12

With the torque link connected, what is the maximum degree of nose gear rotation left or right of center?

Answer 12

120 degrees

Question 13

In the event of a red NORM BRAKES FAIL message braking can be achieved by…

Answer 13

Pulling the parking/ Emer brake

Question 14

Regarding wheel breaks, what must be calculated before takeoff following a rejected takeoff?

Answer 14

Brake cooling times

Found in Performance section of AFM

Question 15

What actions prevent hydraulic fluid migration while setting the the parking brake?

Answer 15

Left and right hydraulic system pressurized
Depress toe pedals
Then pull up on the parking brake handle

Question 16

What is the maximum speed at which the gear may be in a down and lock position?

Answer 16

250 KIAS

Question 17

How much nosewheel steering authority does the pilot have through the rudder pedals?

Answer 17

7 degrees

Question 18

How much steering authority does the pilot have through the tiller?

Answer 18

65 degrees

Question 19

What are the memory items for a red GEAR BAY OVERHEAT message?

Answer 19

Airspeed max 25 KIAS

Landing gear - DN

Question 20

What is the memory item for a red NORM BRAKE FAIL CAS message ?

Answer 20

After landing

Flight spoilers…. EMER
PARK/ Emer brake …. Pull Smoothly

Question 21

What is the memory item for rejected takeoff?

Answer 21

Thrust levers- Idle
Brakes - Max or as required
Thrust Reversers - Max or as required

Question 22

What is the VLO RET speed ?

Answer 22

200 KIAS

Question 23

What is the VLO EXT speed ?

Answer 23

250 KIAS

Question 24

What is the VLE speed ?

Answer 24

250 KIAS

Question 25

Can the challenger 350 Aircraft takeoff Or land from a gravel runway?

Answer 25

No

Question 26

Which hydraulic system normally extends and retracts the landing gear?

Answer 26

Left hydraulic system

Question 27

Which system provides landing gear position monitoring?

Answer 27

Proximity sensor system

Question 28

What type of brakes does a Challenger 350 Aircraft use?

Answer 28

Carbon brakes

Question 29

Is antiskid operational when using the park/emergency brake?

Answer 29

No

Question 30

The proximity sensing system PSS consist of which to subsystems?

Answer 30

Proximity sensing electronic unit. PSEU | PROXIMITY SENSORS

Question 31

Our normal braking and nose wheel steering available in flight?

Answer 31

No they are disabled by the PSEU

Question 32

When looking at the gear position on the EICAS, what does an amber square with Amber diagonal lines crossing through it indicate?

Answer 32

The applicable gear is not up Is not down and locked And it disagrees with the gear handle commanded position

Question 33

When towing, how many degrees left or right can the nose wheel travel without being disconnected?

Answer 33

120 degrees

Question 34

What indications advise the crew that the nose wheel steering NWS limit has been exceeded?

Answer 34

EICAS message and a visible pin