TAWS Alerts Summary
The following table shows the possible TAWS alert types with corresponding annunciations and aural messages.
Alert Type
Excessive Descent Rate Warning (EDR)
Reduced Required Terrain Clearance
Warning (RTC)
Imminent Terrain Impact Warning (ITI)
Reduced Required Obstacle Clearance
Warning (ROC)
Imminent Obstacle Impact Warning (IOI)
Reduced Required Terrain Clearance Caution
(RTC)
Imminent Terrain Impact Caution (ITI)
Reduced Required Obstacle Clearance
Caution (ROC)
Imminent Obstacle Impact Caution (IOI)
Premature Descent Alert Caution (PDA)
Altitude Callout "500"
Excessive Descent Rate Caution (EDR)
Negative Climb Rate Caution (NCR)
PFD/MFD TAWS
Page
Annunciation
None
Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
MFD
Pop-Up Alert
"Terrain, Terrain; Pull Up, Pull Up"
or
"Terrain Ahead, Pull Up; Terrain Ahead, Pull Up"
Terrain Ahead, Pull Up; Terrain Ahead, Pull Up"
or
"Terrain, Terrain; Pull Up, Pull Up"
"Obstacle, Obstacle; Pull Up, Pull Up"
or
"Obstacle Ahead, Pull Up; Obstacle Ahead, Pull Up"
"Obstacle Ahead, Pull Up; Obstacle Ahead, Pull Up"
or
"Obstacle, Obstacle; Pull Up, Pull Up"
"Caution, Terrain; Caution, Terrain"
or
"Terrain Ahead; Terrain Ahead"
"Terrain Ahead; Terrain Ahead"
or
"Caution, Terrain; Caution, Terrain"
"Caution, Obstacle; Caution, Obstacle"
or
"Obstacle Ahead; Obstacle Ahead"
"Obstacle Ahead; Obstacle Ahead"
or
"Caution, Obstacle; Caution, Obstacle"
None
or
SECTION 10 – HAZARD
AVOIDANCE
Aural Message
"Pull Up"
or
or
or
or
or
or
or
or
"Too Low, Terrain"
"Five-Hundred"
"Sink Rate"
"Don't Sink"
or
"Too Low, Terrain"
10-15