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

What function does 'ATT' perform on the ADIRS rotary selector?

Used to retain attitude + heading information with an IR fault.

Used to switch the IR to the standby IR’s data.

Used to retain attitude + position information with an IR fault.

Used to fast align an IR in the air only.

Correct! Wrong!

How many ADIRUs (Air Data Inertial Reference Units) does the aircraft have?

Two (one active, one backup).

Three (two active, one back up).

Three (all active).

Two (all active).

Correct! Wrong!

All navaids are normally autotuned by the:

ADIRU.

MCDU and ADIRU.

FMGC.

MCDU.

Correct! Wrong!

With a single RA failure:

APPR pushbutton cannot be used.

Both PFDs share a single RA.

All statements are correct.

Auto callouts are lost.

Correct! Wrong!

With the DATA selector set to HDG, the time remaining until the completed IRS alignment is displayed on the control display. How long does it take normally?

Approximately 10 minutes.

Approximately 3 minutes.

Approximately 1 minute.

Approximately 7 minutes.

Correct! Wrong!

The ISIS uses:

Its own set of accelerometers and gyrometers to display the attitude of the aircraft.

The primary accelerometers and gyrometers to display the attitude of the aircraft.

The primary accelerometers and gyrometers to display the vertical speed of the aircraft.

Its own set of accelerometers and gyrometers to display the vertical speed of the aircraft.

Correct! Wrong!

The Flight Path Vector (FPV) is a function of the:

IRs.

ADRs.

Correct! Wrong!

What is the minimum RNP accuracy with GPS PRIMARY in the Terminal area?

1 NM.

0.5 NM.

3 NM.

0.3 NM.

Correct! Wrong!

The ISIS is connected to:

DC BUS 2 and HOT BUS 1

AC ESS BUS and HOT BUS 2.

DC ESS BUS and HOT BUS 1.

AC BUS 1 and HOT BUS 2.

Correct! Wrong!

What is the minimum RNP accuracy with GPS PRIMARY for departure and enroute?

1 NM.

0.5 NM.

3 NM.

0.3 NM.

Correct! Wrong!

What data does the Back Up Speed Scale (BUSS) use to estimate airspeed?

GPS data.

Pitot probe data.

Static port data.

AOA vane data.

Correct! Wrong!

Overspeed warnings are a function of the:

IRs (Inertial Reference).

ADRs (Air Data Reference).

Correct! Wrong!

When flying at cruise altitude, the aircraft navigates using radio navaids only.

False.

True.

Correct! Wrong!

What does the red area indicate on the BUSS (Back Up Speed Scale)?

Below VSW.

Below Alpha Max.

Below Alpha prot.

Below VLS.

Correct! Wrong!

The ISIS LS shall not be used for takeoff using the localizer of the opposite runway, or for a back-course localizer approach. The LOC deviations are given in the wrong sense.

True.

False.

Correct! Wrong!

How does the FMGS derive Vapp?

Vapp=VLS+5+(1/3 surface headwind component).

Vapp=VLS+10+1/3 surface headwind component.

Vapp=VLS+10+1/2 surface headwind component.

Vapp=VLS+5+1/2 surface headwind component.

Correct! Wrong!

ADIRU 3 is supplied by all the standby probes and which primary probe?

CM1’s pitot.

CM1’s TAT.

CM1’s AOA.

CM1’s Static Port.

Correct! Wrong!

On the ground, the FMGC displays the position of the aircraft using:

IRS corrected by GPS.

IRS data only.

GPS data only.

GPS corrected by IRS

Correct! Wrong!

When electrical power is lost, ADIRU 1:

Remains on battery power for 5 minutes until electrical power is restored.

Remains on battery for 3 minutes until electrical power is restored.

Remains on battery power until electrical power is restored.

Is lost until electrical power is restored.

Correct! Wrong!

The aircraft has two radio altimeters (RA). CAPT PFD displays the RA1 height, and the F/Os PFD displays the RA2 height. If one RA fails, both PFDs display the height from the remaining RA.

False.

True.

Correct! Wrong!

Can the flight crew depress the RMP ON NAV pushbutton and use the RMP for navigation simultaneously with FMGC autotuning?

No, RMP backup tuning supersedes the autotuning function of both FMGCs.

Yes, because the opposite FMGC will continue to autotune navaids.

Correct! Wrong!

Selection of the correct takeoff runway on the FMGC prior to each flight is necessary because:

Selection of the correct runway permits the FMGC to update its position at takeoff.

The FADEC needs it to know how much to reduce the thrust for takeoff.

Selection of the correct runway insures proper pressurization.

Correct! Wrong!

The ISIS gathers inputs from:

ADIRU 3 only.

ADIRU 1 + 2.

ADIRU 1 only.

ADIRU 1 + 3.

Correct! Wrong!

Each ADIRU (Air Data Inertial Reference Unit) is comprised of an ADR (Air Data Reference) and IR (Inertial Reference). Can these work separately of each other in the case of a failure?

Yes.

No.

Correct! Wrong!

How many ADMs are there?

Two.

Four.

Eight.

Six.

Correct! Wrong!

What is the minimum RNP accuracy with GPS PRIMARY on approach?

0.5 NM.

2 NM.

0.3 NM.

1 NM.

Correct! Wrong!

An ADR1 failure results in a loss of predictive GPWS functions:

False.

True.

Correct! Wrong!

The aircraft has _ Multi Mode Receivers (MMRs) that receive GPS data from _ satellites.

4 / 24

2 / 24

2 / 28

4 / 28

Correct! Wrong!

The FWC generates a synthetic voice for radio height announcement below 2,500 ft. These announcements come through the cockpit loudspeakers, even if the speakers are turned off.

False.

True.

Correct! Wrong!

GPWS aural and visual warnings cannot be inhibited.

True

False

Correct! Wrong!

Use of the ISIS bugs function is not recommended because, in the event that both PFDs are lost in flight, when the ISIS bugs were previously set for takeoff, then for the approach, the bugs would remain at the takeoff characteristic speed settings.

True.

False.

Correct! Wrong!

When are the Radio Altimeters self-tested?

At AC electrical power up.

When the gear is selected down.

During first engine start.

During second engine start.

Correct! Wrong!

The IR alignment count down stops one minute prior to accomplishment and the ALIGN lights are flashing. Why does it happen?

It is an indication that the alignment is complete but must be acknowledged.

It is an indication that alignment has stopped as the present position data has not been entered from the FMGS.

It is an indication that there is a disagreement between the IRs and the alignment must be restarted.

Correct! Wrong!

The loudspeaker announces RETARD at:

20 ft at all times.

20 ft or at 10 ft if autothrust is active and one autopilot is in LAND mode.

Between 15 and 20 ft with or without Autothrust.

Correct! Wrong!

The Back Up Speed Scale (BUSS) is available:

Below FL200.

Below FL250.

Above FL200.

Above FL250.

Correct! Wrong!

The ADIRS 'ON BAT' light on the overhead panel indicates:

A battery test is being performed at the beginning of alignment or the batteries are supplying at least one ADIRU.

The batteries are supplying all ADIRUs.

A battery test is being performed at the beginning of alignment.

The battery test is being performed at the beginning of alignment or the batteries are supplying all ADIRUs.

Correct! Wrong!

The weather radar image can be displayed on which modes of the ND?

All modes except Plan.

Rose NAV or VOR.

Rose VOR or Rose ILS.

Rose NAV or ARC.

Correct! Wrong!

What are the functions of the Air Data Modules (ADMs)?

Convert pneumatic pitot/static data from probes to numerical data for the ADIRUs.

Convert initial data from the laser gyro system to numerical data for the ADIRUs.

Correct! Wrong!

An air data module is a component of the navigation system. Each unit converts pneumatic (air pressure) information from a pitot tube or a static port into numerical information which is sent on a data bus. This pressure information is received and processed by the Air Data Reference (ADR) component of the Air Data Inertial Reference Unit (ADIRU).This processed information is then sent to one or more display management computers that present information on the cockpit's primary flight display. Airspeed information is also sent to the flight computers and other electronics,including the autoflight subsystem

A flashing white 'ALIGN' indication on the ADIRS panel means:

The respective IR is lost or there is an alignment fault

No present position entry after 10 min or the respective IR is lost.

IR alignment fault, or no present position entry after 10 min, or difference between position at shutdown and entered position exceeds 1 degree of latitude or longitude.

Alignment is not available.

Correct! Wrong!

GPS1 supplies ADIRU 1 and GPS 2 supplies ADIRU 2. What supplies ADIRU 3?

GPS 1

GPS 1 or GPS 2.

GPS 2

GPS 1 and GPS 2.

Correct! Wrong!

What data do the ADRs (Air Data Reference) directly gather?

Airspeed/Mach, temperature, barometric altitude, AOA, back-up vertical speed.

Airspeed/Mach, temperature, barometric altitude, AOA.

Airspeed/Mach, temperature, barometric altitude.

Airspeed/Mach, temperature, barometric altitude, AOA, ground speed.

Correct! Wrong!

What computer(s) perform(s) the GP-IRS hybrid position calculation?

MMR 1+2.

ADIRS 1 + 2 + 3

FMGC 2.

FMGC 1.

Correct! Wrong!

When the aircraft is on ground and if at least one ADIRU is supplied by aircraft batteries:

All statements are correct.

The ADIRU and AVNCS light comes on amber on the EXTERNAL POWER panel.

An external horn sounds

Correct! Wrong!

You have been cleared to intercept the localizer. You have pushed the LOC push button on the FCU. If all necessary data has been entered in the MCDU, can you now engage both autopilots?

Yes.

No, the LOC must capture before both autopilots will engage.

No, the APPR pushbutton must be pushed first.

Correct! Wrong!

The takeoff bias is:

Blended out over the next 60 minutes.

Retained for the remainder of the flight.

Replaced when a bias is computed based on radio position.

Blended out over the next 30 minutes.

Correct! Wrong!

One A/P can be engaged on the ground if the engines are not running.

This A/P will disengage when both engines are started.

This A/P will disengage when speed is sensed at more than 10 kt.

This A/P will disengage when one engine is started.

This A/P will disengage when taxi starts.

Correct! Wrong!

When electrical power is lost, ADIRUs 2 and 3:

Remain on battery for 3 minutes until electrical power is restored.

Are lost until electrical power is restored.

Remain on battery power until electrical power is restored.

Remain on battery power for 5 minutes until electrical power is restored.

Correct! Wrong!

The ON BAT light on the ADIRS CDU illuminates:

When one or more ADIRUs is/are supplied by airplane battery only.

Only when all IRUs are on battery power.

When an IRU fault is detected.

Correct! Wrong!

When the thrust levers are moved to the takeoff position, the FMGS updates its position at takeoff using:

IRS/ILS/DME positioning.

IRS/DME/DME positioning.

The VOR/DME currently tuned.

The navigation database and the takeoff runway entered into the MCDU by the pilot.

Correct! Wrong!

What is managed climb speed below 10,000 feet?

250 kt.

Best rate of climb speed.

210 kt.

Green dot.

Correct! Wrong!

What are the different types of flight guidance?

Automatic and manual.

Managed and selected.

Managed and manual.

Slaved and managed.

Correct! Wrong!

The BUSS (Back Up Speed Scale) is always reversible.

True.

False.

Correct! Wrong!

Each IR receives input from both GPS simultaneously.

True.

False.

Correct! Wrong!

The selected database date has expired. When must the active data base be changed?

Prior to entering the preflight data.

Anytime prior to takeoff.

The following calendar day.

Correct! Wrong!

What causes the Back Up Speed Scale (BUSS) to automatically appear?

ADR 1+2 FAULT/OFF.

ADR 1+2+3 FAULT/OFF.

ADR 2+3 FAULT/OFF.

ADR 1+3 FAULT/OFF.

Correct! Wrong!

What ADIRU (Air Data Inertial Reference Unit) selection modes are there ?

NAV, STBY, OFF.

ON, STBY, OFF.

ATT, STBY, OFF.

NAV, ATT, OFF.

Correct! Wrong!

What data do the IRs (Inertial Reference) directly gather?

Attitude, heading/track, aircraft position, acceleration, vertical speed, ground speed.

Attitude, heading/track, aircraft position, acceleration, vertical speed.

Attitude, heading/track, aircraft position, acceleration.

Attitude, heading/track, aircraft position, acceleration, vertical speed, ground speed, radio altitude.

Correct! Wrong!

The IR will experience drift in 'ATT' position and it will need a periodic heading update.

True.

False.

Correct! Wrong!

The flight crew interfaces with the FMGS using the:

FCU.

Thrust Levers.

MCDU.

All statements are correct.

Correct! Wrong!

What does the Back Up Speed Scale (BUSS) use to indicate altitude?

Pitot probe data.

Static port data.

GPS data.

AOA vane data.

Correct! Wrong!

Which of the following navaids can be autotuned?

All statements are correct.

VOR and DME.

ILS and ADF (for NDB data base approaches).

Correct! Wrong!

A 'fast align' of the IRs can be achieved by selecting the rotator switches OFF and then back to:

ATT within 10 second.

ATT within 5 seconds

NAV within 10 seconds.

NAV within 5 seconds.

Correct! Wrong!

Airbus A320 – Navigation

Airbus A320 – Navigation

What function does 'ATT' perform on the ADIRS rotary selector?

How many ADIRUs (Air Data Inertial Reference Units) does the aircraft have?

All navaids are normally autotuned by the:

With a single RA failure:

With the DATA selector set to HDG, the time remaining until the completed IRS alignment is displayed on the control display. How long does it take normally?

The ISIS uses:

The Flight Path Vector (FPV) is a function of the:

What is the minimum RNP accuracy with GPS PRIMARY in the Terminal area?

The ISIS is connected to:

What is the minimum RNP accuracy with GPS PRIMARY for departure and enroute?

What data does the Back Up Speed Scale (BUSS) use to estimate airspeed?

Overspeed warnings are a function of the:

When flying at cruise altitude, the aircraft navigates using radio navaids only.

What does the red area indicate on the BUSS (Back Up Speed Scale)?

The ISIS LS shall not be used for takeoff using the localizer of the opposite runway, or for a back-course localizer approach. The LOC deviations are given in the wrong sense.

How does the FMGS derive Vapp?

ADIRU 3 is supplied by all the standby probes and which primary probe?

On the ground, the FMGC displays the position of the aircraft using:

When electrical power is lost, ADIRU 1:

The aircraft has two radio altimeters (RA). CAPT PFD displays the RA1 height, and the F/Os PFD displays the RA2 height. If one RA fails, both PFDs display the height from the remaining RA.

Can the flight crew depress the RMP ON NAV pushbutton and use the RMP for navigation simultaneously with FMGC autotuning?

Selection of the correct takeoff runway on the FMGC prior to each flight is necessary because:

The ISIS gathers inputs from:

Each ADIRU (Air Data Inertial Reference Unit) is comprised of an ADR (Air Data Reference) and IR (Inertial Reference). Can these work separately of each other in the case of a failure?

How many ADMs are there?

What is the minimum RNP accuracy with GPS PRIMARY on approach?

An ADR1 failure results in a loss of predictive GPWS functions:

The aircraft has _____ Multi Mode Receivers (MMRs) that receive GPS data from _____ satellites.

The FWC generates a synthetic voice for radio height announcement below 2,500 ft. These announcements come through the cockpit loudspeakers, even if the speakers are turned off.

GPWS aural and visual warnings cannot be inhibited.

Use of the ISIS bugs function is not recommended because, in the event that both PFDs are lost in flight, when the ISIS bugs were previously set for takeoff, then for the approach, the bugs would remain at the takeoff characteristic speed settings.

When are the Radio Altimeters self-tested?

The IR alignment count down stops one minute prior to accomplishment and the ALIGN lights are flashing. Why does it happen?

The loudspeaker announces RETARD at:

The Back Up Speed Scale (BUSS) is available:

The ADIRS 'ON BAT' light on the overhead panel indicates:

The weather radar image can be displayed on which modes of the ND?

What are the functions of the Air Data Modules (ADMs)?

A flashing white 'ALIGN' indication on the ADIRS panel means:

GPS1 supplies ADIRU 1 and GPS 2 supplies ADIRU 2. What supplies ADIRU 3?

What data do the ADRs (Air Data Reference) directly gather?

What computer(s) perform(s) the GP-IRS hybrid position calculation?

When the aircraft is on ground and if at least one ADIRU is supplied by aircraft batteries:

You have been cleared to intercept the localizer. You have pushed the LOC push button on the FCU. If all necessary data has been entered in the MCDU, can you now engage both autopilots?

The takeoff bias is:

One A/P can be engaged on the ground if the engines are not running.

When electrical power is lost, ADIRUs 2 and 3:

The ON BAT light on the ADIRS CDU illuminates:

When the thrust levers are moved to the takeoff position, the FMGS updates its position at takeoff using:

What is managed climb speed below 10,000 feet?

What are the different types of flight guidance?

The BUSS (Back Up Speed Scale) is always reversible.

Each IR receives input from both GPS simultaneously.

The selected database date has expired. When must the active data base be changed?

What causes the Back Up Speed Scale (BUSS) to automatically appear?

What ADIRU (Air Data Inertial Reference Unit) selection modes are there ?

What data do the IRs (Inertial Reference) directly gather?

The IR will experience drift in 'ATT' position and it will need a periodic heading update.

The flight crew interfaces with the FMGS using the:

What does the Back Up Speed Scale (BUSS) use to indicate altitude?

Which of the following navaids can be autotuned?

A 'fast align' of the IRs can be achieved by selecting the rotator switches OFF and then back to:

The aircraft has _ Multi Mode Receivers (MMRs) that receive GPS data from _ satellites.