SECTION 11
TERRAIN
TERRAIN Alert Summary
Table 11-4 summarizes the TERRAIN alerts.
TERRAIN Failure
TERRAIN Inhibited
TERRAIN Not Available
Required Terrain Clearance (RTC) Advisory
Required Terrain Clearance (RTC) Alert
Imminent Terrain Impact (ITI) Advisory
Imminent Terrain Impact (ITI) Alert
Required Obstacle Clearance (ROC) Advisory
Required Obstacle Clearance (ROC) Alert
Imminent Obstacle Impact (IOI) Advisory
Imminent Obstacle Impact (IOI) Alert
Premature Descent Alert (PDA)
11-12
Alert Type
Table 11-4 TERRAIN Alerts Summary
GNS 430 Pilot's Guide and Reference
Annuciation
Pop-Up Alert
(FLASHING)
(FLASHING)
(FLASHING)
(FLASHING)
(FLASHING)
(FLASHING)
(FLASHING)
(FLASHING)
None
None
None