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Section 3
TAWS Alerts
Alert Type
TAWS Page
Annuciation
Pop-Up Alert Aural Message
Required Obstacle Clearance (ROC) Caution
or
“Caution, Obstacle; Caution, Obstacle”
or
“Obstacle Ahead; Obstacle Ahead”
Required Obstacle Clearance (ROC) Warning
or
“Obstacle, Obstacle; Pull Up, Pull Up”
or
“Obstacle Ahead, Pull Up; Obstacle Ahead, Pull Up”
Imminent Terrain Impact (ITI) Caution
or
“Terrain Ahead; Terrain Ahead”
or
“Caution, Terrain; Caution, Terrain”
Imminent Obstacle Impact (IOI) Warning
or
“Obstacle Ahead, Pull Up; Obstacle Ahead, Pull Up”
or
“Obstacle, Obstacle; Pull Up, Pull Up”
Premature Descent Alert (PDA) Caution
“Too Low, Terrain”
Negative Climb Rate (NCR) Caution
or
“Don’t Sink”
or
“Too Low, Terrain”
Altitude Callout “500”
None None “Five-Hundred”
Table 3-2 (continued): TAWS Alerts Summary
