2025 05 ACTS: Landing Gear / Lights

Question 1

Fwd Instrument Panel:
What is the function of the two Landing Gear Control and Interface Units (LGCIU)?
FCOM-DSC-32-10-10

Answer 1

º Provide sequencing, operation, monitoring, and indications for the landing gear
º Provide aircraft “In Flight” or “On the Ground” signals to other aircraft systems

Question 2

Fwd Instrument Panel:
When does the red arrow in the LND panel illuminate?
FCOM-DSC-32-10-40, FCOM-DSC-32-10-50

Answer 2

Below 750 feet RA, when the aircraft is in the landing configuration and the landing gear is not locked down

Question 3

Fwd Instrument Panel:
What happens if your airspeed is 280 knots and you place the Landing Gear lever to DOWN?
FCOM-DSC-32-10-10

Answer 3

Nothing - A safety valve shuts off hydraulic power to the landing gear system when airspeed is above 260
knots

Question 4

Fwd Instrument Panel:
What do the red UNLK lights indicate?
FCOM-DSC-32-10-40

Answer 4

The landing gear is not locked in the selected position

Question 5

Fwd Instrument Panel:
What controls and manages all braking functions?
FCOM-DSC-32-30-10

Answer 5

º Normal Brakes: Braking Steering Control Unit (BSCU)
º Alternate Brakes: Alternate Braking Control Unit (ABCU)

Question 6

Fwd Instrument Panel:
What happens when you switch the A/SKID & N/W STRG to OFF?
FCOM-DSC-32-30-10, FCOM-DSC-32-30-20

Answer 6

º Brake pressure is supplied by the Yellow hydraulic system and displayed on triple indicator
º Anti-skid is deactivated
º NWS deactivated
º A 1000 psi pressure limiting valve helps prevent wheel lock up (on newer planes)

Question 7

Fwd Instrument Panel:
Which hydraulic systems provide pressure to the brakes?
FCOM-DSC-32-30-10

Answer 7

º Normal brakes – Green
º Alternate brakes – Yellow backed up by a hydraulic accumulator

Question 8

Fwd Instrument Panel:
What are the four modes of braking?
FCOM-DSC-32-30-10

Answer 8

º Normal braking
º Alternate braking with antiskid
º Alternate braking without antiskid (max brake pressure 1000 psi)
º Parking brake

Question 9

Fwd Instrument Panel:
When do the Autobrakes activate on landing if armed?
FCOM-DSC-32-30-10

Answer 9

When the ground spoilers deploy

Question 10

Fwd Instrument Panel:
What is the difference between LOW and MED AUTO BRK?
FCOM-DSC-32-30-20

Answer 10

º LOW - progressive pressure applied to brakes 4 seconds after ground spoilers deploy to decelerate
at 5.6 FPS
º MED - progressive pressure applied to brakes 2 seconds after ground spoilers deploy to decelerate
at 9.8 FPS

Question 11

Fwd Instrument Panel:
What does the AUTO BRK green DECEL light indicate?
FCOM-DSC-32-30-20

Answer 11

Actual rate of deceleration is within 80% of the selected rate

Question 12

Fwd Instrument Panel:
What is the Takeoff setting for Auto Brakes?
FCOM-DSC-32-30-20

Answer 12

MAX

Question 13

Fwd Instrument Panel:
What will cause the MAX AUTO BRK to activate on an RTO?
FCOM-DSC-32-30-10, FCOM-DSC-27-10-20

Answer 13

º Airspeed above 72 knots, and
º Thrust Levers at IDLE, and
º Ground spoiler extension

Question 14

Fwd Instrument Panel:
If you lose Green hydraulic pressure, will you have Auto Brakes?
FCOM-DSC-32-30-10

Answer 14

No, not with the Alternate Brake system

Question 15

Fwd Instrument Panel:
Is Anti-skid available with Alternate Brakes?
FCOM-DSC-32-30-10

Answer 15

Yes, if certain conditions are met

Question 16

Fwd Instrument Panel:
With spoilers not armed will the spoilers deploy for an RTO?
FCOM-DSC-27-10-20

Answer 16

Yes – when at least one engine is in reverse

Question 17

Fwd Instrument Panel:
How many brake applications are available with accumulator pressure?
FCOM-DSC-32-30-10

Answer 17

Approximately 7 full applications of brake pedals or parking brake or any combination thereof

Question 18

Fwd Instrument Panel:
What does the BRAKES & ACCU PRESS triple indicator indicate?
FCOM-DSC-32-30-20

Answer 18

º Yellow hydraulic pressure delivered to the left and right brakes
º Yellow system brake accumulator pressure

Question 19

Parking Brake:
When brake accumulator pressure is low, how is it recharged?
FCOM-DSC-32-30-10

Answer 19

With the Yellow hydraulic system electric pump

Question 20

Parking Brake:
How do you verify the Parking Brake is set?
FCOM-DSC-32-30-20

Answer 20

º ECAM PARKING BRK memo
º Triple indicator brake pressure

Question 21

Parking Brake:
If the parking brake is activated and no yellow hydraulic or accumulator pressure is available, do you still have
available braking?
FCOM-DSC-32-30-10

Answer 21

Yes, via the brake pedals, but you must have green hydraulic pressure

Question 22

BONUS: Parking Brake:
How we do charge the yellow system accumulators?
FCOM-DSC-32-30-10

Answer 22

Pressing the yellow hydraulic electrical pump pushbutton

Question 23

Parking Brake:
What 3 things occur when you turn the Gravity Gear Extension hand-crank?
FCOM-DSC-32-10-40

Answer 23

º Removes Green hydraulic pressure
º Opens gear doors
º Releases the uplocks

Question 24

Parking Brake:
How many turns of the Gravity Gear Extension hand crank does it take to lower the gear manually?
FCOM-DSC-32-10-40

Answer 24

3 clock-wise turns

Question 25

Nose Wheel Steering: What hydraulic system supplies nose wheel steering? FCOM-DSC-32-20-10

Answer 25

Yellow

Question 26

Nose Wheel Steering: The steering hand wheels can steer the nose wheel up to how much in each direction? FCOM-DSC-32-20-10

Answer 26

+/- 75°

Question 27

Nose Wheel Steering: When using the rudder pedals for steering, when does the steering angle begin to reduce? FCOM-DSC-32-20-10

Answer 27

Starts reduction at 40 knots and progressively reduces to zero degrees at 130 knots

Question 28

External Lights Panel: If RWY TURN OFF is selected to ON and the NOSE is selected to TAXI or T.O., which lights automatically extinguish after takeoff? FCOM-DSC-33-20-20

Answer 28

The NOSE and RWY TURN OFF lights extinguish when the landing gear is retracted

Question 29

External Lights Panel: Are the NAV 1 and 2 positions connected to a single bulb? FCOM-DSC-33-20-20

Answer 29

No, they are separate bulbs

Question 30

External Lights Panel: When do the strobes flash in AUTO? FCOM-DSC-33-20-20

Answer 30

When the main landing gear strut is not compressed

Question 31

Signs Panel: What signs illuminate when you turn the NO PED switch to ON? FCOM-DSC-33-40-10

Answer 31

º NO Personal Electronic Device (PED) º EXIT signs

Question 32

Signs Panel: What lights illuminate when the EMER EXIT LT switch is placed to ON? FCOM-DSC-33-30-20

Answer 32

º Proximity emergency escape path marking system º Overhead emergency lights º EXIT signs

Question 33

Signs Panel: What lights illuminate when normal aircraft electrical power fails? FCOM-DSC-33-30-20

Answer 33

º Floor proximity emergency escape path marking system º Overhead emergency lighting º EXIT signs

Question 34

Signs Panel: What occurs when the EMER EXIT LT switch is placed to OFF? FCOM-DSC-33-30-20

Answer 34

º All lights OFF º Amber EMER EXIT LT OFF light illuminates

Question 35

Internal Lights Panel: What flight deck lighting is available if normal electrical power is lost? FCOM-DSC-33-40

Answer 35

º Captain’s instrument panel (2 places) º Right dome light (provided DOME switch set in DIM or BRT) º Standby compass

Question 36

Fwd Instrument Panel: The BRK FAN HOT light illuminates during taxi in, do you need to comply with the ECAM?

Answer 36

Yes

Question 37

Fwd Instrument Panel: After the parking checklist is completed, you receive a BRAKES HOT ECAM. The hottest brake temperature is 410*, and your flight is planned for a 45 minute turn. Do you need to comply with the BRAKES HOT ECAM?

Answer 37

No

Question 38

When taxiing out for takeoff, when do you turn brake fans on?

Answer 38

If an arc is displayed above the brake temperature on the WHEEL SD page

Question 39

When taxiing in after landing, when do you turn brake fans on?

Answer 39

If the amber HOT light illuminates in the BRK FAN pb