CL-350 Systems (Landing Gear & Brakes)

Question 1

LANDING GEAR & BRAKES

What controls the main landing gear?

Answer 1

Proximity Sensing Electronic Unit (PSEU)

Hydraulically actuated using LEFT hydraulic system.

Question 2

LANDING GEAR & BRAKES

How is the main landing gear kept in the up position after retraction?

Answer 2

Mechanically locked in the up position (Uplocks) using Left Hydraulic system to raise the gear.

Question 3

LANDING GEAR & BRAKES

How is the nose landing gear kept in the up and down position?

Answer 3

Mechanically locked up and down.

Question 4

LANDING GEAR & BRAKES

How is the main gear (MANUALLY RELEASED).

Answer 4

MANUAL RELEASE HANDLE release the unlocks allowing gear to extend via gravity assisted by a separate accumulator in the Right hydraulic system.

Question 5

LANDING GEAR & BRAKES

How is the nose gear (MANUALLY RELEASED).

Answer 5

The nose gear is extended by gravity with a spring assist.

Question 6

LANDING GEAR & BRAKES

What conditions are needed for NORMAl braking?

Answer 6

Landing Gear selected down.
Left or right main gear WOW for >5 seconds, or
Wheel spin up of 50 kts.

Question 7

LANDING GEAR & BRAKES

How many brake accumulators are there?

Answer 7

2

Brake accumulator and the Park/Emergency accumulator.

(Brake Accumulator - Outboard Brakes ((Right Hydraulic))
(Park/Emergency Accumulator - Inboard Brakes ((Left Hydraulic))

6 brake applications with the loss of the left and right hydraulic systems to both inboard and outboard brakes.

Question 8

LANDING GEAR & BRAKES

What controls NORMAL braking?

Answer 8

Brake Control Unit (BCU)

Brake command from pedal input

Anti skid protection (normal Brakes) down to 10kts

Wheel spin up for spoilers and Thrust Reversers

Question 9

LANDING GEAR & BRAKES

Full steering authority is how many degrees using the tiller?

Answer 9

65˚

Question 10

LANDING GEAR & BRAKES

Full steering authority is how many degrees using the rudders?

Answer 10

7˚