Surveillance Flashcards
Function of the GPWS TERR pb and SYS pb, when selected OFF.
TERR off: inhibits only terrain warning GPWS feature
SYS off: inhibits basic categories of GPWS. Terrain warning is fully operational
G/S MODE, FLAP MODE, and LDG FLAP 3 pbs on the GPWS panel.
G/S MODE: inhibits “glideslope”
used for LDA or LOC approaches with G/S out of service
FLAP MODE: inhibits “too low flaps”
used with a flap malfunction
LDG FLAP 3: used during flaps 3 landings.
inhibits “too low flaps”
landing memo displays flaps 3
manual and automatic operation of the GPWS Terrain feature.
Manual: TERR ON ND pb on (green) displayed continuously
Automatic: Terrain displayed automatically on both screens for a caution or warning.
both TERR ON ND pb’s light up green
How to control the brightness of EGPWS Terrain displays.
Outer knob on ND brightness
Recall the details of the Terrain and Weather indications on the NDs.
Terrain: TERR (blue) appears on lower right corner of ND
Radar: TILT (blue) appears on lower right corner of ND
Recall the meaning of the number value displayed with the Terrain display.
Only appears in arc mode
represents highest elevation within ND’s range
Terrain caution
GPWS amber lights illuminate on fwd instrument panel
“Terrain ahead” aural warning
Terrain displays automatically on both ND’s
Amber TERRAIN AHEAD appears on ND’s
Terrain warning
PULL UP red lights illuminate on Fwd instrument panel
“Terrain ahead, pull up” aural warning
Terrain displays automatically on both ND’s
Red TERRAIN AHEAD appears on ND’s
TCAS Modes
SBY: TCAS functions inhibited
TCAS STBY appears in green on E/WD memo section
ON: transponder replies to ATC interrogations
TCAS STBY appears in green on E/WD memo section
TA: replies to ATC interrogations
provides TA’s displayed on ND
TA ONLY appears in white on lower left of ND’s
RA/TA: replies to ATC interrogations
displays all TA’s and RA’s on ND’s
aural warnings
preventative and corrective guidance on VSI
Describe the meaning of the indications given for a TCAS Preventative or Corrective advisory.
▪ Preventative Advisory – Keep the aircraft’s vertical speed out of the red area
▪ Corrective Advisory – Keep the aircraft’s vertical speed within the green-shaded area
Recall the functions of the TRAFFIC switch on the ATC/TCAS panel.
▪ AUTO – Other and Proximate traffic is only displayed if TA or RA intruder aircraft are present.
▪ ON – Other and Proximate traffic, if present, are continuously displayed.
Which ND mode cannot display GPWS, TCAS, or Weather Radar returns.
PLAN
Recall the indications of Windshear warnings
▪ WINDSHEAR (red) message appears on the PFDs.
▪ Aural “WINDSHEAR!” “WINDSHEAR!” warning sounds.
▪ Depending on condition, the airspeed trend arrow may either stagnate or show an excessive accelerating trend.
Describe the Altitude Alerting system indications.
Only when AP is not engaged.
within 750 feet of FCU altitude, C-chord and altitude window border pulses within 250 of FCU altitude
in level flight, 250 feet off altitude, C-chord and altitude window border pulses
