Airbus A350 - Surveillance

If the aircraft approaches terrain with the landing gear up and the flaps extended for landing, the following is triggered:

The "TOO LOW GEAR" followed by the "TOO LOW FLAPS" audio indicators.

The "TOO LOW GEAR" audio indicator.

The "TOO LOW GEAR / TOO LOW FLAPS" audio indicators (together).

Correct! Wrong!

The TCAS detects intruders that are flying within a maximum altitude _____, the aircraft.

8 000 ft above, and 8 000 ft below

9 900 ft above, and 8000 ft below.

9 900 ft above, and 9 900 ft below.

Correct! Wrong!

TCAS INTRUDER WITH NO REPORTED ALTITUDE - For intruders that do not report their altitude:

There is no TCAS information.

The relative altitude does not appear on ND and it never triggers an RA.

The relative altitude does not appear on ND. The TCAS never triggers an RA. The TCAS inhibits the TA when own aircraft altitude is above 15 500 ft.

Correct! Wrong!

The GPWS function detects terrain collision threats by comparing the geometric altitude of the aircraft and its trajectory with the information provided by the:

VD and WXR.

WXR and radio altimeters

Radio Altimeters.

Correct! Wrong!

The SURV includes two identical surveillance systems, referred to as SYS 1 and SYS 2.

True.

False.

Correct! Wrong!

VD AZIM knob - The AZIM value is limited to _____ around the current heading.

Plus or minus 60 degrees.

Plus or minus 45 degrees.

Plus or minus 90 degrees.

Correct! Wrong!

The WXR is automatically activated (will start to scan the envelope ahead of the aircraft) when engine takeoff power thrust is applied. However if the flight crew does not press the WX pb on the EFIS CP , there will be no display on the ND or the VD. The PWS and WX image will be displayed automatically on the ND and VD, only if windshear is detected.

True.

False.

Correct! Wrong!

If the GPWS detects an excessive decrease in altitude after takeoff, or during a go-around, when the landing gear or the flaps are not in landing configuration, the following is triggered:

The “TERRAIN TERRAIN” audio indicator. The TERRAIN visual indicator on the PFD.

The “TOO LOW FLAPS” audio indicator. The TOO LOW FLAPS visual indicator on the PFD and on the ND.

The “DON’T SINK, DON’T SINK” audio indicator. The DON'T SINK visual indicator on the PFD.

Correct! Wrong!

The WXR antenna scans:

Plus or minus 60 ° in azimuth. Plus or minus 15 degrees in tilt. Up to 640 NM in front of the aircraft.

Plus or minus 70 degrees in azimuth. Plus or minus 10 degrees in tilt. Up to 640 NM in front of the aircraft.

Plus or minus 60 ° in azimuth. Plus or minus 15 degrees in tilt. Up to 320 NM in front of the aircraft.

Plus or minus 80 ° in azimuth. Plus or minus 10 degrees in tilt. Up to 320 NM in front of the aircraft.

Correct! Wrong!

The WXR takes into account the curvature of the earth, to display an image based on the mean sea level. It also reduces the ground returns from the displayed weather, by using the terrain data provided by the TAWS database.

AUDIO INDICATORS - The "Monitor Radar Display" alert message (Synthetic Voice) triggers a windshear caution, and the aircraft is not in a dangerous zone.

True.

False.

Correct! Wrong!

When armed, the WXR will start to scan the envelope ahead of the aircraft if:

Two engines are running and the WX pb is selected on the two EFIS CP.

both of the following conditions are met: at least one engine is running and the WX pb is selected on at least one EFIS CP.

Two engines are running and the WX pb is selected on at least one EFIS CP.

Correct! Wrong!

TURBULENCE DETECTION (TURB) FUNCTION - The TURB function detects clear air turbulence or dry turbulence.

True.

False

Correct! Wrong!

The TURB function does NOT detect clear air turbulence or dry turbulence.

If the TERR function is operative, the VD continuously displays the terrain and it indicates the real location of the terrain. The zone elevation in amber is based on the measured radio-altimeter information. Appears when the aircraft:

Radio-altimeter altitude is below 2 500 ft.

Radio-altimeter altitude is below 3 000 ft and falps are not UP.

Radio-altimeter altitude is below 5 000 ft.

Correct! Wrong!

The VD always displays the terrain, even if the TERR pb is not pressed on the EFIS CP.

False.

True.

Correct! Wrong!

RMP 3 is not directly connected to the SURV. However, if the XPDR code is set from RMP 3, the RMP synchronization function enables RMP 1 or RMP 2 to transmit the code to the SURV.

False

True.

Correct! Wrong!

TURBULENCE DETECTION (TURB) FUNCTION - The turbulence detection (TURB) function detects wet turbulence in a volume of space ahead of the aircraft. The TURB detection function scans:

Plus or minus 80 degrees in azimuth. Between 0 ft and 50 000 ft MSL. Up to 160 NM in front of the aircraft.

Plus or minus 80 degrees in azimuth. Between 0 ft and 55 000 ft MSL. Up to 320 NM in front of the aircraft.

Plus or minus 60 degrees in azimuth. Between 0 ft and 50 000 ft MSL. Up to 160 NM in front of the aircraft.

Plus or minus 60 degrees in azimuth. Between 0 ft and 60 000 ft MSL. Up to 60 NM in front of the aircraft.

Correct! Wrong!

The aircraft has two combined TCAS/Mode S antennas that transmit and receive data to and from the TCAS and Air Traffic Control (ATC).

True.

False.

Correct! Wrong!

The aircraft has four combined TCAS/Mode S antennas.

The ground mapping function enables the flight crew to display a map of terrain features on the ND. The color code is:

Black for standing water (no return). Green for the terrain. Yellow or red for cities and mountains (strong returns).

Blue for standing water and yellow for the terrain below 5000 ft MSL. Red for mountains.

Black for standing water and yellow for the terrain below 5000 ft MSL. Red for mountains.

Correct! Wrong!

The WXR detects:

Rainfall, wet hail and wet turbulence, ice crystals, snow and thunderstorms.

Rainfall, wet hail and wet turbulence, ice crystals, dry hail, and dry snow. Areas with high probability of lightning, with the weather hazard prediction function.

Rainfall, hail, turbulence, ice crystals, snow and thunderstorms

Correct! Wrong!

If the aircraft is below 1 000 ft AGL, the TCAS mode is TA ONLY.

True.

False.

Correct! Wrong!

When the aircraft receives a "Descend" type RA and goes below 1 000 ft AGL in descent, the vertical speed target is automatically changed to 0 fpm.

True.

False.

Correct! Wrong!

What does this indication mean?

The ND range is set to 20 NM in ARC mode, or to 10 NM in ROSE mode, and a windshear is detected.

The ND range is automatically set to 10 NM in ARC mode or ROSE mode, and a windshear is detected.

The ND range is set to 10 NM in ARC mode, or to 20 NM in ROSE mode, and a windshear is detected.

Correct! Wrong!

If both RMP 1 and RMP 2 fail, the XPDR control remains available via the SURV/CONTROLS page of the MFD.

True.

False.

Correct! Wrong!

The WXR is automatically shut down:

When the aircraft is on ground after landing, when the flight crew retract the flaps.

90 seconds after landing and and when the flight crew retract the flaps.

60 seconds after landing, or when the aircraft is on ground and no engine running, or when the aircraft is on ground and the flight crew retract the flaps.

Correct! Wrong!

The WXR does not detect:

Fog, clear air turbulence (no precipitation), small precipitation, duststorms, sandstorms or volcanic ash clouds.

Cloud, fog, or wind (droplets are too small, or no precipitation at all), clear air turbulence (no precipitation), sandstorms or volcanic ash clouds (solid particles are almost transparent to the radar beam) and lightning.

Fog, wind, clear air turbulence and sandstorms.

Correct! Wrong!

WXR MANUAL GAIN MODE - The manual GAIN mode enables the flight crew to adjust sensitivity of the weather display on the ND. The flight crew can select the manual GAIN mode by using:

The GAIN knob on the SURV panel.

The GAIN button on the CONTROLS page of the MFD.

The GAIN knob on the SURV panel and also the GAIN button on the CONTROLS page of the MFD.

Correct! Wrong!

AUDIO INDICATORS - The "Windshear Ahead" alert message (Synthetic Voice) triggers a windshear warning during:

Landing.

Takeoff.

Approach.

Correct! Wrong!

"Go Around, Windshear Ahead" (Synthetic Voice) is the PWS alert triggering a windshear warning during approach.

TERRAIN FUNCTION - PROTECTION and VERTICAL ENVELOPE - Warning and caution envelopes change, depending on:

The ground speed

The ground speed and the altitude.

The ground speed and the turn angle.

Correct! Wrong!

TERRAIN FUNCTION - In the case of terrain or obstacle alert, the ND:

Automatically changes range to 10 NM and mode to ARC

Automatically changes range to 10 NM and mode to ARC. WXR switches to GND mode.

Automatically changes range to 20 NM.

Correct! Wrong!

The ND displays the AUTO RANGE/MODE message.

The VD displays areas of windshear but only below 2,500 ft AGL.

False.

True.

Correct! Wrong!

The VD does NOT display areas of windshear.

The WXR may not be able to discriminate the on-path and the off-path weather at ranges above 320 NM, because of the angle of the antenna beam width.

False.

True.

Correct! Wrong!

The WXR may not be able to discriminate the on-path and the off-path weather at ranges above 160 NM. The WXR could consider some off-path weather as on-path weather.

GPWS EXCESSIVE RATE OF DESCENT (MODE 1) - The descent rate data is the inertial vertical speed, or the barometric vertical speed, if the barometric vertical speed is not available.

False.

True

Correct! Wrong!

This is the contrary: the descent rate data is the barometric vertical speed, or the inertial vertical speed, if the barometric vertical speed is not available.

The flight crew can select the ground mapping function via:

The MODE button on the CONTROLS page of the MFD, if the WXR is on.

The WXR CONTROL Display box (pushing more than 5 seconds the ELVN selector).

The WXR CONTROL Display box

Correct! Wrong!

The Predictive Windshear (PWS) function detects windshears:

At least 20 s before a possible encounter, below 3000 ft AGL. Between 0.5 NM and 5 NM in front of the aircraft.

At least 10 s before a possible encounter. Between 0.5 NM and 5 NM in front of the aircraft.

Below 5000 ft AGL. At least 10 s before a possible encounter. Between 0.5 NM and 5 NM in front of the aircraft.

Correct! Wrong!

The PWS function can detect and display up to 8 different windshears simultaneously.

TURBULENCE DETECTION (TURB) FUNCTION - The ND and VD display the areas of turbulence in _____.

Purple.

Red.

Magenta.

Amber.

Correct! Wrong!

GPWS visual and audio indicators override stall or windshear alerts .

True.

False.

Correct! Wrong!

Stall or windshear alerts override GPWS visual and audio indicators.

The TCAS detects intruders that are flying within a maximum range of _____ (depending on the aircraft configuration and external weather conditions),

20 NM to 60 NM.

10 to 40 NM.

10 to 80 NM.

Correct! Wrong!

In some circumstances, TCAS intruders may be detected up to 100 NM.

If the aircraft is below 1 650 ft AGL in descent, or 1 750 ft AGL in climb, the TCAS does not consider aircraft that are flying below 380 ft. These aircraft are considered to be on ground.

True.

False.

Correct! Wrong!

GPWS EXCESSIVE RATE OF DESCENT (MODE 1) - Mode 1 is inhibited when the aircraft is:

Below 2 500 ft.

Close to the ground.

Below 5000 ft.

Correct! Wrong!

Airbus does not provide any specific value.

The TCAS triggers a Traffic Advisory (TA) to indicate a possible collision threat. This advisory helps the flight crew to visually locate the intruder. It also prepares the flight crew for a possible RA. However, a TA may not always occur before an RA.

False.

True.

Correct! Wrong!

AUDIO INDICATORS - The "Weather Ahead" alert message (Synthetic Voice) The WXR triggers a weather ahead alert, weather or turbulence detected within _____ of flight.

60 seconds.

3 minutes

120 seconds

Correct! Wrong!

Airbus A350 – Surveillance

Quiz

Airbus A350 - Surveillance

If the aircraft approaches terrain with the landing gear up and the flaps extended for landing, the following is triggered:

The TCAS detects intruders that are flying within a maximum altitude _____, the aircraft.

TCAS INTRUDER WITH NO REPORTED ALTITUDE - For intruders that do not report their altitude:

The GPWS function detects terrain collision threats by comparing the geometric altitude of the aircraft and its trajectory with the information provided by the:

The SURV includes two identical surveillance systems, referred to as SYS 1 and SYS 2.

VD AZIM knob - The AZIM value is limited to _____ around the current heading.

If the GPWS detects an excessive decrease in altitude after takeoff, or during a go-around, when the landing gear or the flaps are not in landing configuration, the following is triggered:

The WXR antenna scans:

AUDIO INDICATORS - The "Monitor Radar Display" alert message (Synthetic Voice) triggers a windshear caution, and the aircraft is not in a dangerous zone.

When armed, the WXR will start to scan the envelope ahead of the aircraft if:

TURBULENCE DETECTION (TURB) FUNCTION - The TURB function detects clear air turbulence or dry turbulence.

If the TERR function is operative, the VD continuously displays the terrain and it indicates the real location of the terrain. The zone elevation in amber is based on the measured radio-altimeter information. Appears when the aircraft:

The VD always displays the terrain, even if the TERR pb is not pressed on the EFIS CP.

RMP 3 is not directly connected to the SURV. However, if the XPDR code is set from RMP 3, the RMP synchronization function enables RMP 1 or RMP 2 to transmit the code to the SURV.

TURBULENCE DETECTION (TURB) FUNCTION - The turbulence detection (TURB) function detects wet turbulence in a volume of space ahead of the aircraft. The TURB detection function scans:

The aircraft has two combined TCAS/Mode S antennas that transmit and receive data to and from the TCAS and Air Traffic Control (ATC).

The ground mapping function enables the flight crew to display a map of terrain features on the ND. The color code is:

The WXR detects:

If the aircraft is below 1 000 ft AGL, the TCAS mode is TA ONLY.

When the aircraft receives a "Descend" type RA and goes below 1 000 ft AGL in descent, the vertical speed target is automatically changed to 0 fpm.

What does this indication mean?

If both RMP 1 and RMP 2 fail, the XPDR control remains available via the SURV/CONTROLS page of the MFD.

The WXR is automatically shut down:

The WXR does not detect:

WXR MANUAL GAIN MODE - The manual GAIN mode enables the flight crew to adjust sensitivity of the weather display on the ND. The flight crew can select the manual GAIN mode by using:

AUDIO INDICATORS - The "Windshear Ahead" alert message (Synthetic Voice) triggers a windshear warning during:

TERRAIN FUNCTION - PROTECTION and VERTICAL ENVELOPE - Warning and caution envelopes change, depending on:

TERRAIN FUNCTION - In the case of terrain or obstacle alert, the ND:

The VD displays areas of windshear but only below 2,500 ft AGL.

The WXR may not be able to discriminate the on-path and the off-path weather at ranges above 320 NM, because of the angle of the antenna beam width.

GPWS EXCESSIVE RATE OF DESCENT (MODE 1) - The descent rate data is the inertial vertical speed, or the barometric vertical speed, if the barometric vertical speed is not available.

The flight crew can select the ground mapping function via:

The Predictive Windshear (PWS) function detects windshears:

TURBULENCE DETECTION (TURB) FUNCTION - The ND and VD display the areas of turbulence in _____.

GPWS visual and audio indicators override stall or windshear alerts .

The TCAS detects intruders that are flying within a maximum range of _____ (depending on the aircraft configuration and external weather conditions),

If the aircraft is below 1 650 ft AGL in descent, or 1 750 ft AGL in climb, the TCAS does not consider aircraft that are flying below 380 ft. These aircraft are considered to be on ground.

GPWS EXCESSIVE RATE OF DESCENT (MODE 1) - Mode 1 is inhibited when the aircraft is:

The TCAS triggers a Traffic Advisory (TA) to indicate a possible collision threat. This advisory helps the flight crew to visually locate the intruder. It also prepares the flight crew for a possible RA. However, a TA may not always occur before an RA.

AUDIO INDICATORS - The "Weather Ahead" alert message (Synthetic Voice) The WXR triggers a weather ahead alert, weather or turbulence detected within _____ of flight.