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GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. H
12-5
SECTION 12
TERRAIN
Table 12-2 shows the possible TERRAIN alert types with corresponding annunciations.
Alert Type
Annunciation
Pop-Up Alert
TERRAIN Failure
None
TERRAIN Inhibited
None
TERRAIN Not Available
None
Required Terrain Clearance (RTC) Advisory
Required Terrain Clearance (RTC) Caution
(FLASHING)
(FLASHING)
Imminent Terrain Impact (ITI) Advisory
Imminent Terrain Impact (ITI) Caution
(FLASHING)
(FLASHING)
Required Obstacle Clearance (ROC) Advisory
Required Obstacle Clearance (ROC) Caution
(FLASHING)
(FLASHING)
Imminent Obstacle Impact (IOI) Advisory
Imminent Obstacle Impact (IOI) Caution
(FLASHING)
(FLASHING)
Premature Descent Alert (PDA) Advisory
Table 12-2 TERRAIN Alert Summary
Summary of Contents for GNS 530
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