Airbus A320 – Landing Gear - SmartCockpit - Airline training guides, Aviation, Operations, Safety

The LGCIUs (Landing Gear Control Interface Units) control the sequencing of gear and doors hydraulically.

False.

True.

Correct! Wrong!

The LGCIUs control the sequencing of gear and doors electrically.

System page WHEEL - L/G position indicators (triangles), first line shows green triangles, second line behind shows amber crosses. Is the landing gear down?

Yes.

Right hand gear only is down.

No.

Left hand gear only is down.

Correct! Wrong!

Nose wheel steering by rudder pedals is limited to:

Plus or minus 75 degrees.

Plus or minus 90 degrees.

Plus or minus 6 degrees under all conditions.

Maximum plus or minus 6 degrees depending on aircraft speed.

Correct! Wrong!

The braking modes are:

Green with or without anti-skid, Blue without anti-skid.

Green with anti-skid, Yellow without anti-skid, Parking brake.

Green or Yellow with anti-skid, Yellow without anti-skid, parking brake.

Correct! Wrong!

The Hot light on the brake fan pushbutton illuminates when brake temperature reaches:

400 deg C.

300 deg C.

350 deg C.

250 deg C.

Correct! Wrong!

For towing and pushback, the nosewheel steering angle is limited to _____.

75 degrees.

95 degrees.

85 degrees.

90 degrees.

Correct! Wrong!

Each main wheel has an antiskid brake.

True.

False.

Correct! Wrong!

On the E/WD, during pushback the NW STRG DISC memo is displayed. What does it mean?

The nose wheel steering computer has finished its self test.

There is a discrepancy between the two nose wheel steering handwheel position transducers.

A failure in the nose wheel steering system has been detected.

The nose wheel steering has been disconnected by ground personnel.

Correct! Wrong!

Following failure of all 3 ADIRS, is antiskid available?

Only with Green hydraulics.

No.

Yes, the speed for the fastest wheel becomes the reference in this case.

Only with Yellow hydraulics.

Correct! Wrong!

If the landing gear was gravity extended using the hand crank on the center pedestal, landing gear position must be verified through:

The landing gear viewers.

The landing gear indications depicted on the ECAM and, if available, the center panel LDG GEAR indicator panel lights.

All statements are correct.

Correct! Wrong!

The autobrake will arm if at least one ADIRU is functioning.

True.

False.

Correct! Wrong!

What is the maximum tire speed?

195 kt.

205 kt.

225 kt.

185 kt.

Correct! Wrong!

When is pressure in the nose wheel steering system shut off?

With towing lever in towing position or both engines are shut down or the A/SKID and N/W STRG switch is OFF.

When the aircraft is on the ground with speed above 100 kt.

During ground towing with one engine shut down or when aircraft speed is above 60 kt.

Correct! Wrong!

The antiskid system provides maximum braking efficiency by maintaining the wheels at the limit of an impending skid. The antiskid system is deactivated _____

Below 15 kt IAS.

Below 20 kt (ground speed).

At or below 10 kt (ground speed).

At or below 20 kt IAS.

Correct! Wrong!

Two Landing Gear Control and Interface Units (LGCIUs) control the extension and retraction of the gear and the operation of the doors. They also supply information about the landing gear to ECAM for display, and send signals indicating whether the aircraft is in flight or on the ground to other aircraft systems.

False.

True.

Correct! Wrong!

Nose wheel steering is controlled by:

LGCIU 1 or 2 (Landing Gear Control Interface Unit).

BSCU (Braking Steering Control Unit).

LGCIU 1 (Landing Gear Control Interface Unit).

LGCIU 2 (Landing Gear Control Interface Unit).

Correct! Wrong!

If the BSCU (Braking Steering Control Unit) detects a brake system malfunction in flight with the A/SKID and N/W STRG switch in the ON position:

The flight crew must manually select alternate brakes.

The flight crew will be notified with an ECAM message.

The flight crew will be notified with an ECAM message after touchdown if the brake system does malfunction.

All statements are correct.

Correct! Wrong!

ALTERNATE BRAKING WITHOUT ANTI-SKID - Autobrake and antiskid are inoperative. To avoid wheel locking and limit the risk of tire burst, brake pressure is automatically limited to:

1 000 PSI.

2 000 PSI.

1 600 PSI.

800 PSI.

Correct! Wrong!

The alternate brake system uses:

The Yellow hydraulic system and the hydraulic accumulator.

The hydraulic accumulator.

The Blue electric pump.

The Yellow hydraulic system.

Correct! Wrong!

The green DECEL light on the autobrake pushbutton illuminates when the actual airplane deceleration corresponds to what percentage of the selected rate?

90%.

80%.

95%.

92%.

Correct! Wrong!

Automatic braking is activated when the command for ground spoilers extension is detected for LO and MED mode, or the command for ground spoilers extension is detected, and the aircraft speed is _____, for MAX mode.

Above 40 kt.

Above 50 kt.

Above 55 kt.

Above 30 kt.

Correct! Wrong!

AUTO/BRK panel - The springloaded MAX, MED, and LO pushbutton switches arm the appropriate deceleration rate. MED mode sends progressive pressure to the brakes _____ after the ground spoilers deploy.

Between three and four seconds.

Between two and four seconds.

Two seconds.

Correct! Wrong!

LO mode sends progressive pressure to the brakes 4 seconds after the ground spoilers deploy.

What is indicated by the autobrake DECEL lights?

Airplane deceleration is 25% of selected rate.

Airplane deceleration is 90% of selected rate.

Airplane deceleration is 50% of selected rate.

Airplane deceleration is 80% of selected rate.

Correct! Wrong!

The steering system centers the nose wheel automatically:

After liftoff.

When the landing gear lever is set to UP.

When the hydraulic pressure is released after takeoff.

Correct! Wrong!

What is required to arm the auto brakes?

Green hydraulic pressure available, anti-skid electrically powered, no failures in the braking system, one ADIRU available.

Green hydraulic pressure available, antiskid available, at least one ADIRU in NAV mode.

Yellow hydraulic pressure above 2500 psi, at least one ADIRU in NAV mode and no failures in the braking system.

At least one ADIRU in NAV mode and no failures in the braking system.

Correct! Wrong!

The parking brake accumulator is designed to maintain the parking pressure for at least _____.

12 hours.

24 hours.

18 hours.

6 hours.

Correct! Wrong!

The braking system is designed to hold the aircraft in a stationary position when a high thrust level is applied on at least one engine. It is not designed to hold the aircraft when high thrust level is applied on both engines. During ground procedures that require a thrust increase with braking, the flight crew must ensure that the aircraft remains stationary.

False.

True.

Correct! Wrong!

The braking system is not designed to hold the aircraft in a stationary position when a high thrust level is applied on at least one engine.

Max braking has been selected. Takeoff being aborted, engines in reverse, you have forgotten to arm the ground spoilers. Is autobrake activated?

Yes, provided speed is less than 72 knots.

No because spoilers will not deploy if not armed.

Yes, because spoilers will still deploy.

Yes, but only if Yellow hydraulic pressure is available.

Correct! Wrong!

When the aircraft is flying faster than _____, a safety valve automatically cuts off hydraulic supply to the landing gear system.

250 kt

255 kt.

265 kt.

260 kt

Correct! Wrong!

Below 260 kt, the hydraulic supply remains cut off as long as the landing gear lever is up.

Nose wheel steering is available when:

All gear doors are closed.

Nose gear doors are closed.

The Push button on either steering hand wheel is depressed.

Gear doors are open.

Correct! Wrong!

The antiskid system gets its reference speed from:

The BSCU’s.

The ADIRS.

A wheel tachometer.

The LGCIU’s.

Correct! Wrong!

Wheel page on ECAM - if you see a green arc shown over a wheel indication:

The A/SKID system is automatically releasing the pressure of that brake.

It indicates an abnormal high temperature.

It marks the hottest brake with a temperature of more than 100 deg.C.

The L/G control system has detected a low tire profile.

Correct! Wrong!

Landing gear indicator panel UNLK light illuminates red if:

Gear is not locked in selected position.

Gear is not selected down by 1,000 ft RA.

Gear is extended normally and doors are not closed.

Gear is extended by gravity and doors are not closed.

Correct! Wrong!

The antiskid deactivates when ground speed is less than _____.

25 kt.

10 kt.

20 kt.

30 kt.

Correct! Wrong!

The red arrow, near the landing gear lever illuminates when:

Landing gear is not up locked after retraction.

Landing gear is not down locked in approach configuration.

Landing gear is in abnormal position.

Landing gear is in transit.

Correct! Wrong!

Autobraking is initiated by:

Ground spoilers extension.

Reverse thrust selection.

Nose gear oleo compression.

Main gear oleo compression.

Correct! Wrong!

Brake pressure is only indicated when the yellow hydraulic system controls the brake pressure. This is when the:

Alternate braking system is activated.

Alternate braking system is activated, or Parking brake is applied.

Parking brake is applied.

Correct! Wrong!

If the aircraft makes an acceleration stop and begins to decelerate when its speed is under _____, the automatic braking will not activate because the ground spoilers will not extend.

72 kt.

78 kt.

82kt.

92 kt.

Correct! Wrong!

What happens to the other brake modes when parking brakes are applied?

Antiskid mode only is deactivated.

All other braking modes and antiskid are deactivated.

There is no change.

Correct! Wrong!

On wheel page of ECAM, Autobrake is flashing green. What does it mean?

Autobrake failure.

Anti-skid failure.

Autobrake in operation.

Autobrake is disengaged.

Correct! Wrong!

To put the landing gear down by gravity, the flight crew must pull the gear crank out, then turn it clockwise for _____ turns.

Three.

Four.

Five.

Six.

Correct! Wrong!

A hand crank on the center pedestal allows the flight crew to extend the landing gear if the aircraft loses hydraulic systems or electrical power.

Nose wheel steering is available:

Aircraft speed below 70 kt, both engines (required to be) running), Towing lever in standby position, aircraft on ground.

Aircraft speed below 70 kt, both engines (required to be) running, Towing lever in normal position, aircraft on ground.

Aircraft speed below 70 kt, one engine (required to be) running, Towing lever in normal position, aircraft on ground.

Aircraft speed below 70 kt, both engines (required to be) running, Towing lever in normal position, aircraft on ground or in the air.

Correct! Wrong!

Maximum speed for landing gear retraction is:

235 kt.

200 kt.

220 kt.

250 kt.

Correct! Wrong!

The normal brake system uses _ hydraulic pressure and the alternate brake system uses _ hydraulic pressure backed up by the hydraulic brake accumulator.

Green - Blue

Yellow - Blue

Yellow - Green

Green - Yellow.

Correct! Wrong!

After takeoff the left main landing gear shock absorber is stuck in the compressed position.

The gear can be retracted under all circumstances.

The gear can be retracted provided the nose gear is centered.

The gear cannot be retracted, gear lever is blocked (interlock mechanism).

The gear can be retracted once the nose wheel steering is centered.

Correct! Wrong!

The gear doors remain open after a manual extension.

True.

False.

Correct! Wrong!

The maximum speed with landing gear extended (VLE) is:

320 kt / M.72

300 kt / M.70

280 kt / M.67

260 kt / M.65

Correct! Wrong!

Auto brake may be armed with the parking brake on.

False.

True.

Correct! Wrong!

Nose wheels and main wheels have fusible plugs that prevent the tires from bursting if they overheat.

True.

False.

Correct! Wrong!

Only main wheels have fusible plugs.

The brake and accumulator pressure gauge shows pressure from:

The Accumulator only.

Both Yellow brake system and the Brake Accumulator.

The Green hydraulic system.

The Yellow hydraulic system.

Correct! Wrong!

When the flight crew operates the crank handle, the cutout valve shuts off hydraulic pressure to the landing gear system and depressurizes it.

False.

True.

Correct! Wrong!

During the approach you get master warning and ECAM "GEAR NOT DOWN". What is the true statement?

Landing gear is not down locked and flaps 3 or full and both radio altimeters failed

Landing gear is not down locked, flaps at 3 and radio height lower than 750 ft

All statements are correct.

Correct! Wrong!

If a tire damage is suspected, an inspection of the tires is required before taxi. If the tire is deflated but not damaged, the aircraft can be taxied at low speed with one tire is deflated on one or more gears, ie. a maximum of _____.

Two tires.

Four tires.

Three tires.

Correct! Wrong!

The landing gear indicator panel receives the information from micro switches and proximity detectors connected to:

BSCU (Braking Steering Control Unit).

LGCIU 2 (Landing Gear Control and Interface Unit).

BSCU (Braking Steering Control Unit) and LGCIU 2.

LGCIU 1 (Landing Gear Control and Interface Unit).

Correct! Wrong!

If the accumulator on the alternate brake system is your only source pressure, which of the following will be available?

Auto brakes and antiskid.

Three applications of the brake pedals.

Antiskid.

Seven applications of the brake pedals.

Correct! Wrong!

When both hand wheels are operated simultaneously, the signals are algebraically added.

True.

False.

Correct! Wrong!

You have just set the parking brake handle to ON. Is it still possible to check the main brake system using the toe brakes?

No. It is not possible to press hard enough to obtain an accurate reading.

Yes. As soon as you press the brake pedals the BRAKES indicator will read main system pressure.

No. When the PARK BRK is set, the other braking modes are deactivated.

Correct! Wrong!

WHEEL SD PAGE - The landing gear positions are indicated by 2 triangles for each gear. A red triangle indicates that:

One LGCIU (Landing Gear Control and Interface Unit) detects a landing gear uplocked.

One LGCIU (Landing Gear Control and Interface Unit) detects a landing gear in transit.

LGCIU 1 (Landing Gear Control and Interface Unit) or LGCIU 2 has failed.

Correct! Wrong!

If the brake system automatically transitions to alternate brakes with the A/SKID and N/W STRG switch in the ON position, which of the following will be available?

Brakes, auto brakes, anti-skid.

Auto brakes and anti-skid.

Anti-skid.

Only auto brakes.

Correct! Wrong!

There are two triangles for each gear on the ECAM WHEEL page. What do they represent?

The front triangle indicates the position of that gear, and the back triangle indicates the status of the brakes for that gear.

Each triangle represents one wheel on the gear.

Each triangle represents the position detected by one of the two computers systems.

Each triangle represents one of the braking systems available for that gear.

Correct! Wrong!

If a tire damage is suspected, an inspection of the tires is required before taxi. If the tire is deflated but not damaged, the aircraft can be taxied at low speed with one tire is deflated on one or more gears, then the speed should be limited to _____.

7 kt.

7 kt when turning.

7 kt and 3 kt when turning.

3 kt.

Correct! Wrong!

Hand wheel and pedals are operated simultaneously:

Hand wheel has priority.

Hand wheel input will not be affected by pedals.

Pedals have priority (depending on speed).

BSCU transforms these orders into nose wheel steering angle (signals are mathematically added).

Correct! Wrong!

WHEEL SD PAGE - The landing gear positions are indicated by 2 triangles for each gear. Only one green triangle on each landing gear strut is sufficient to confirm that the landing gear is downlocked.

True.

False.

Correct! Wrong!

On the ramp with APU running, parking brake is set on, message on ECAM memo shows PARK BRAKE.

In White.

In White or Yellow.

In Yellow.

In Green.

Correct! Wrong!

Can normal landing gear operation be restored after a gravity extension if green hydraulic pressure is available?

It may be possible if the gravity extension was not caused by a failure of the landing gear mechanism.

Restoration is always possible.

No, only maintenance can restore normal operation.

Correct! Wrong!

Which ADIRS close the safety valve of the green hydraulic supply when speed is above 260 kt.

ADIRS 2 and 3.

ADIRS 2 or 3.

ADIRS 1 and 2.

ADIRS 1 and 3.

Correct! Wrong!

Which hydraulic system(s) supply pressure to the landing gear system?

Blue.

Yellow and Blue.

Green and Blue.

Green.

Correct! Wrong!

If the parking brake is activated and no yellow hydraulic or accumulator brake pressure is available, then the normal braking system can be applied via the brake pedals.

False.

True.

Correct! Wrong!

Alternate braking using the Yellow system. Autobrake is:

Still available without anti-skid.

Lost.

Still available provided Yellow system hydraulic pressure is available.

Still available with anti-skid.

Correct! Wrong!

For autobrake to activate, at least two SEC’s (Spoiler Elevator Computers) must be operative.

True.

False.

Correct! Wrong!

Braking modes - There are _____ modes of operation:

Four: Normal braking, Alternate braking, Emergency braking, and Parking brake.

Three: Normal braking, Alternate, Alternate braking and Parking brake.

Three: Normal braking, Alternate braking with antiskid, Parking brake.

Four: Normal braking, Alternate braking with antiskid, Alternate braking without antiskid and Parking brake.

Correct! Wrong!

The steering handwheels, which are interconnected, can steer the nose wheel up to _____ in either direction.

90 degrees.

55 degrees.

65 degrees.

75 degrees.

Correct! Wrong!

What system pressure does the ACCU PRESS and BRAKES pressure indicator indicate?

Yellow brake accumulator and green or yellow brake system pressure to the left and right brakes.

Blue brake accumulator and green brake system pressure to the left and right brakes.

Yellow brake accumulator and green brake system pressure to the left and right brakes.

Yellow brake accumulator and yellow brake system pressure to the left and right brakes.

Correct! Wrong!

Landing gear operation is inhibited at speeds:

Below 100 knots.

Above 260 knots plus or minus 5 knots.

Below 100 knots and above 260 knots.

Above 250 knots.

Correct! Wrong!

In normal operation, the reference speed is determined by the BSCU from the horizontal acceleration of ADIRU 1, or ADIRU 2, or ADIRU 3. In case all ADIRUs fail, reference speed equals the minimum of either main landing gear wheel speeds.

True.

False.

Correct! Wrong!

What does each turn of the gravity gear extension handle do?

Shutoff hydraulic pressure, open doors, unlock gear.

Open gear doors, shutoffs hydraulics, unlock gear, drop gear.

Open gear doors, unlock gear, drop gear.

Open gear doors, drop gear, shut doors.

Correct! Wrong!

If a tire damage is suspected, an inspection of the tires is required before taxi. If the tire is deflated but not damaged, the aircraft can be taxied at low speed. If two tires are deflated on the same main gear (the other main gear tires not being deflated), speed should be limited to _____ and the nose wheel steering angle limited to 30 degrees.

5 kt.

6 kt.

3 kt.

2 kt.

Correct! Wrong!

Wheel page on ECAM - if a Green arc becomes amber, and an ECAM caution appears, it means that the corresponding brake temperature exceeds:

400 deg.C.

350 deg.C.

250 deg.C.

300 deg.C.

Correct! Wrong!

MAX autobrake mode can be armed in flight.

True.

False.

Correct! Wrong!

MAX autobrake mode cannot be armed in flight.

Auto brakes, if selected, will only be activated by:

The struts being compressed.

The ground spoiler extension command.

The wheels spinning up.

The brake pedals being depressed.

Correct! Wrong!

Landing Gear position is indicated by:

One panel on center instrument panel, ECAM, visual means on the wing.

ECAM only.

One panel on center instrument panel, one panel on overhead panel.

One panel on center instrument panel and ECAM.

Correct! Wrong!

During pushback, the engine 2 has been started and the NW STRG DISC memo has changed to amber. What does it mean?

The nose wheel steering is being reconnected by ground personnel. It is amber because the pin is removed.

The NW STRG disconnect mechanism has failed.

The yellow hydraulic system is now pressurized and the amber caption is a warning not to move the handwheel.

The memo has become amber because one engine is running.

Correct! Wrong!

Airbus A320 – Landing Gear

Airbus A320 – Landing Gear

The LGCIUs (Landing Gear Control Interface Units) control the sequencing of gear and doors hydraulically.

System page WHEEL - L/G position indicators (triangles), first line shows green triangles, second line behind shows amber crosses. Is the landing gear down?

Nose wheel steering by rudder pedals is limited to:

The braking modes are:

The Hot light on the brake fan pushbutton illuminates when brake temperature reaches:

For towing and pushback, the nosewheel steering angle is limited to _____.

Each main wheel has an antiskid brake.

On the E/WD, during pushback the NW STRG DISC memo is displayed. What does it mean?

Following failure of all 3 ADIRS, is antiskid available?

If the landing gear was gravity extended using the hand crank on the center pedestal, landing gear position must be verified through:

The autobrake will arm if at least one ADIRU is functioning.

What is the maximum tire speed?

When is pressure in the nose wheel steering system shut off?

The antiskid system provides maximum braking efficiency by maintaining the wheels at the limit of an impending skid. The antiskid system is deactivated _____

Nose wheel steering is controlled by:

If the BSCU (Braking Steering Control Unit) detects a brake system malfunction in flight with the A/SKID and N/W STRG switch in the ON position:

ALTERNATE BRAKING WITHOUT ANTI-SKID - Autobrake and antiskid are inoperative. To avoid wheel locking and limit the risk of tire burst, brake pressure is automatically limited to:

The alternate brake system uses:

The green DECEL light on the autobrake pushbutton illuminates when the actual airplane deceleration corresponds to what percentage of the selected rate?

Automatic braking is activated when the command for ground spoilers extension is detected for LO and MED mode, or the command for ground spoilers extension is detected, and the aircraft speed is _____, for MAX mode.

AUTO/BRK panel - The springloaded MAX, MED, and LO pushbutton switches arm the appropriate deceleration rate. MED mode sends progressive pressure to the brakes _____ after the ground spoilers deploy.

What is indicated by the autobrake DECEL lights?

The steering system centers the nose wheel automatically:

What is required to arm the auto brakes?

The parking brake accumulator is designed to maintain the parking pressure for at least _____.

Max braking has been selected. Takeoff being aborted, engines in reverse, you have forgotten to arm the ground spoilers. Is autobrake activated?

When the aircraft is flying faster than _____, a safety valve automatically cuts off hydraulic supply to the landing gear system.

Nose wheel steering is available when:

The antiskid system gets its reference speed from:

Wheel page on ECAM - if you see a green arc shown over a wheel indication:

Landing gear indicator panel UNLK light illuminates red if:

The antiskid deactivates when ground speed is less than _____.

The red arrow, near the landing gear lever illuminates when:

Autobraking is initiated by:

Brake pressure is only indicated when the yellow hydraulic system controls the brake pressure. This is when the:

If the aircraft makes an acceleration stop and begins to decelerate when its speed is under _____, the automatic braking will not activate because the ground spoilers will not extend.

What happens to the other brake modes when parking brakes are applied?

On wheel page of ECAM, Autobrake is flashing green. What does it mean?

To put the landing gear down by gravity, the flight crew must pull the gear crank out, then turn it clockwise for _____ turns.

Nose wheel steering is available:

Maximum speed for landing gear retraction is:

The normal brake system uses _____ hydraulic pressure and the alternate brake system uses _____ hydraulic pressure backed up by the hydraulic brake accumulator.

After takeoff the left main landing gear shock absorber is stuck in the compressed position.

The gear doors remain open after a manual extension.

The maximum speed with landing gear extended (VLE) is:

Auto brake may be armed with the parking brake on.

Nose wheels and main wheels have fusible plugs that prevent the tires from bursting if they overheat.

The brake and accumulator pressure gauge shows pressure from:

When the flight crew operates the crank handle, the cutout valve shuts off hydraulic pressure to the landing gear system and depressurizes it.

During the approach you get master warning and ECAM "GEAR NOT DOWN". What is the true statement?

If a tire damage is suspected, an inspection of the tires is required before taxi. If the tire is deflated but not damaged, the aircraft can be taxied at low speed with one tire is deflated on one or more gears, ie. a maximum of _____.

The landing gear indicator panel receives the information from micro switches and proximity detectors connected to:

If the accumulator on the alternate brake system is your only source pressure, which of the following will be available?

When both hand wheels are operated simultaneously, the signals are algebraically added.

You have just set the parking brake handle to ON. Is it still possible to check the main brake system using the toe brakes?

WHEEL SD PAGE - The landing gear positions are indicated by 2 triangles for each gear. A red triangle indicates that:

If the brake system automatically transitions to alternate brakes with the A/SKID and N/W STRG switch in the ON position, which of the following will be available?

There are two triangles for each gear on the ECAM WHEEL page. What do they represent?

If a tire damage is suspected, an inspection of the tires is required before taxi. If the tire is deflated but not damaged, the aircraft can be taxied at low speed with one tire is deflated on one or more gears, then the speed should be limited to _____.

Hand wheel and pedals are operated simultaneously:

WHEEL SD PAGE - The landing gear positions are indicated by 2 triangles for each gear. Only one green triangle on each landing gear strut is sufficient to confirm that the landing gear is downlocked.

On the ramp with APU running, parking brake is set on, message on ECAM memo shows PARK BRAKE.

Can normal landing gear operation be restored after a gravity extension if green hydraulic pressure is available?

Which ADIRS close the safety valve of the green hydraulic supply when speed is above 260 kt.

Which hydraulic system(s) supply pressure to the landing gear system?

If the parking brake is activated and no yellow hydraulic or accumulator brake pressure is available, then the normal braking system can be applied via the brake pedals.

Alternate braking using the Yellow system. Autobrake is:

For autobrake to activate, at least two SEC’s (Spoiler Elevator Computers) must be operative.

Braking modes - There are _____ modes of operation:

The steering handwheels, which are interconnected, can steer the nose wheel up to _____ in either direction.

What system pressure does the ACCU PRESS and BRAKES pressure indicator indicate?

Landing gear operation is inhibited at speeds:

In normal operation, the reference speed is determined by the BSCU from the horizontal acceleration of ADIRU 1, or ADIRU 2, or ADIRU 3. In case all ADIRUs fail, reference speed equals the minimum of either main landing gear wheel speeds.

What does each turn of the gravity gear extension handle do?

Wheel page on ECAM - if a Green arc becomes amber, and an ECAM caution appears, it means that the corresponding brake temperature exceeds:

MAX autobrake mode can be armed in flight.

Auto brakes, if selected, will only be activated by:

Landing Gear position is indicated by:

During pushback, the engine 2 has been started and the NW STRG DISC memo has changed to amber. What does it mean?

The normal brake system uses _ hydraulic pressure and the alternate brake system uses _ hydraulic pressure backed up by the hydraulic brake accumulator.