Aural and visual alert messages
AURAL ALERT ANNUNCIATOR PILOT ACTION
“Pull Up, Pull Up”
PULL UP
Disengage autopilot and immediately level wings.
Apply full power, establish a climb attitude and climb
out of the alert envelope. Continue maneuver until
alert ceases or terrain clearance is assured.
NOTE: Reconfigure the aircraft as necessary to
establish climb. During daytime visual conditions,
take immediate action as necessary until alert
ceases.
“Sink Rate, Sink
Rate”
TERR
Arrest sink rate and fly out of alert envelope.
“Terrain, Terrain” TERR
Apply power, level wings, establish a climb attitude
and climb out of the alert envelope.
Terrain Ahead,
Pull Up, Terrain
Ahead, Pull Up
PULL UP
(30 second
Terrain Warning
Alert)
Disengage autopilot and immediately level wings.
Apply full power, establish a climb attitude and climb
out of the alert envelope. Continue maneuver until
alert ceases or terrain clearance is assured.
NOTE: Reconfigure the aircraft as necessary to
establish climb. During daytime visual conditions,
take immediate action as necessary until alert
ceases.
“Terrain Ahead,
Terrain Ahead”
TERR (60 second
Terrain Caution
Alert)
Caution alert. Followed by “Terrain, Terrain”, “Pull
Up, Pull UP” if condition continues.
a. If level, apply power, establish a climb
attitude and climb out of the alert, check
position on TAWS display.
b. If descending, apply power and level off. If
caution continues, apply power, establish a
climb attitude and climb out of the alert,
check position on TAWS display.
“Too Low
Terrain, Too Low
Terrain”
TERR
Immediately arrest sink rate and fly out of alert
envelope.
“Too Low Gear,
Too Low Gear”
TERR
If conditions permit, extend the landing gear;
otherwise, execute go-around.
“Too Low Flaps,
Too Low Flaps”
TERR
Select landing full flaps or cancel with the FLAP
OVRD switch.
Fokker 50 - Flight Navigation Instruments
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