GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. E 13-5
SECTION 13
TAWS
Table 13-2 shows the possible TAWS alert types with corresponding annunciations and aural messages.Alert Type TAWS Page Annunciation Pop-Up Alert Aural Message
Excessive Descent Rate (EDR) Warning “Pull Up”
Reduced Required Terrain Clearance
(RTC) Warning
*
or
“Terrain, Terrain; Pull Up, Pull Up”*
or
“Terrain Ahead, Pull Up; Terrain Ahead, Pull Up”
Imminent Terrain Impact (ITI) Warning *
or
Terrain Ahead, Pull Up; Terrain Ahead, Pull Up’*
or
“Terrain, Terrain; Pull Up, Pull Up”
Reduced Required Obstacle Clearance
(ROC) Warning *
or
“Obstacle, Obstacle; Pull Up, Pull Up”*
or
“Obstacle Ahead, Pull Up; Obstacle Ahead, Pull Up”
Imminent Obstacle Impact (IOI)
Warning *
or
“Obstacle Ahead, Pull Up; Obstacle Ahead, Pull Up”*
or
“Obstacle, Obstacle; Pull Up, Pull Up”
Reduced Required Terrain Clearance
(RTC) Caution *
or
“Caution, Terrain; Caution, Terrain”*
or
“Terrain Ahead; Terrain Ahead”
Imminent Terrain Impact (ITI) Caution *
or
“Terrain Ahead; Terrain Ahead”*
or
“Caution, Terrain; Caution, Terrain”
Reduced Required Obstacle Clearance
(ROC) Caution
*
or
“Caution, Obstacle; Caution, Obstacle”*
or
“Obstacle Ahead; Obstacle Ahead”
Imminent Obstacle Impact (IOI) Caution *
or
“Obstacle Ahead; Obstacle Ahead”*
or
“Caution, Obstacle; Caution, Obstacle”
Premature Descent Alert (PDA) Caution “Too Low, Terrain”
Altitude Callout “500” None None “Five-Hundred”
Excessive Descent Rate (EDR) Caution “Sink Rate”
Negative Climb Rate (NCR) Caution *
or
“Don’t Sink”*
or
“Too Low, Terrain”
Table 13-2 TAWS Alerts Summary
* Indicates the default configuration