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Part Three: Section 3
TAWS Alerts
TAWS Alerts Summary
TAWS
Annunciation
Pop-Up Alert
Aural Message
Description
None
“TAWS System Failure”
TAWS has failed
None
None
TAWS has been inhibited by flight crew
None
“Terrain Not Available”
TAWS not available
“Sink Rate”
Excessive Descent Rate Caution
“Pull Up”
Excessive Descent Rate Warning
or
“Caution, Terrain; Caution, Terrain”
or
“Terrain Ahead; Terrain Ahead”
Forward Looking Terrain Avoidance
Caution for Terrain
or
“Terrain, Terrain; Pull Up, Pull Up”
or
“Terrain Ahead, Pull Up; Terrain Ahead, Pull Up”
Forward Looking Terrain Avoidance
Warning for Terrain
or
“Obstacle Ahead; Obstacle Ahead”
or
“Caution, Obstacle; Caution, Obstacle”
Forward Looking Terrain Avoidance
Caution for Obstacle
or
“Obstacle, Obstacle; Pull Up, Pull Up”
or
“Obstacle Ahead, Pull Up; Obstacle Ahead, Pull
Up”
Forward Looking Terrain Avoidance
Warning for Obstacle
“Too Low, Terrain”
Premature Descent Alert Caution
or
“Don’t Sink”
or
“Too Low, Terrain”
Negative Climb Rate Caution
None
None
“Five-Hundred”
500 ft. AGL Altitude Callout
NOTE
: TAWS Caution Alerts
are displayed as constant black text on a yellow background; TAWS Warning Alerts are displayed as
constant white text on a red background.
190-00356-30 Rev H