Surveillance and Warning

Question 1

What will happen if you select the TERR pb to OFF

Answer 1

Inhibits only the terrain warning feature of the GPWS system

Question 2

What will happen if you select the SYS pb to OFF

Answer 2

Inhibits each of the basic categories of the GPWS system. Terrain warning remains fully operational

Question 3

What does the G/S MODE pb do when you turn it OFF, when would you turn it OFF

Answer 3

1) Inhibits the excessive deviation below glideslope warning “GLIDESLOPE”
2) Turn off for approaches with G/S out of service or LDA/LOC/CIR approaches

Question 4

What does the FLAP MODE pb do when you turn it OFF, when would you turn it off

Answer 4

1) Inhibits the unsafe terrain clearance warnings “TOO LOW FLAPS”
2) Turned off during Flap Malfunction

Question 5

What does the LDG FLAP 3 pb do when you turn it ON? What indication will you get on the Landing Memo display when you turn this on?

Answer 5

1) Configures the GPWS to expect FLAP 3 as the final flap setting for landing
2) Inhibits the “TOO LOW FLAPS” aural warning
3) Landing Memo displays FLAPS CONF 3 instead of FLAPS FULL

Question 6

What happens when you select the TERR ON ND pb on the CA or FO side panel

Answer 6

Terrain is continuously displayed on the respective ND

Question 7

What happens if the TERR ON ND pb is deselected (light out) on the CA and/or FO side panel

Answer 7

1) Terrain is automatically displayed on both NDs as a result of caution or warning
2) Both TERR ON ND pbs illuminate on
3) To remove the terrain display, the pb must be deselected.

Question 8

What display has priority on the ND, Terrain or WX

Answer 8

Terrain

Question 9

How do you control the brightness of the EGPWS Terrain displays.

Answer 9

Outer (Big) knob of the ND Brightness Control Knob. Also controls the brightness of the WX radar.

Question 10

What will be displayed on the ND on the lower right corner if Terrain is being displayed? What if WX Radar is being displayed?

Answer 10

Terrain - TERR (blue)
WX Radar- TILT (blue)

Question 11

How is the highest elevation of an obstacle within the NDs range setting represented? In What mode will it appear

Answer 11

Three digit height in amber (eg. 081 is 8100 feet).

Appears only in ARC mode

Question 12

What are the indications associated with a Terrain Caution

Answer 12

1) Both GPWS lights (amber)
2) Aural “TERRAIN AHEAD”
3) Terrain displays on both NDs
4) Amber TERRAIN AHEAD message on both NDs

Question 13

What are the indications associated with a Terrain Warning

Answer 13

1) Both PULL UP lights (red)
2) Aural “TERRAIN AHEAD PULL UP”
3) Terrain displays on both NDs
4) Red TERRAIN AHEAD message on both NDs

Question 14

What do you do when you get a TCAS preventative advisory

Answer 14

Keep the aircraft V/S out of the red area of the PFDs vertical speed indicator

Question 15

What do you do when you get a TCAS corrective advisory

Answer 15

Keep the aircraft V/S within the green shaded area of the PFDs VSI

Question 16

Which mode cannot display GPWS, TCAS or WX radar returns

Answer 16

PLAN mode

Question 17

What are the indications of Windshear warnings

Answer 17

1) WINDSHEAR in red on the PFDs
2) Aural “WINDSHEAR, WINDSHEAR” warning sounds
3) airspeed trend arrow MAY either stagnate or show excessive acceleration trend

Question 18

Is the Windshear system proactive? When will the warnings ONLY function

Answer 18

1) No - reactive system
2) Only Function when:

 - AC is in Flaps 1 or greater configuration 
 - Low altitudes during T/O or LDG

Question 19

What are the altitude alerting system indications

Answer 19

1) During a climb or descent when within 750 ft of FCU altitude, there will be a short aural chord sound and the PFD altitude border pulses at 250 ft

2) In level flight, if the aircraft deviates more than 250 ft of the FCU altitude the aural chord sounds and PFD altitude window pulses

Question 20

Are altitude deviation warnings shown when the AP is engaged

Answer 20

No - only if AP is not engaged