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Garmin G1000 Pilot’s Guide for the Diamond DA40/40F
190-00592-06 Rev. A
334
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
FORWARD LOOKING TERRAIN AVOIDANCE
Reduced Required Terrain Clearance (RTC) and Reduced Required Obstacle Clearance (ROC)
alerts are issued when the aircraft flight path is above terrain, yet is projected to come within the minimum
clearance values in Figure 6-77. When an RTC alert is issued, a potential impact point is displayed on the
TAWS-B Page.
Imminent Terrain Impact (ITI) and Imminent Obstacle Impact (IOI) alerts are issued when the
aircraft is below the elevation of a terrain or obstacle cell in the aircraft’s projected path. ITI and IOI alerts are
accompanied by a potential impact point displayed on the TAWS-B Page. The alert is annunciated when the
projected vertical flight path is calculated to come within minimum clearance altitudes in Figure 6-77.
Required Terrain Clearance
0
100
200
300
400
500
600
700
800
0 5 10 15 20 25 30
Distance From Runway (NM)
Required Terrain Clearance (FT)
RTC Level (FT) RTC Descending (FT)
Figure 6-77 FLTA Alert Minimum Terrain and Obstacle Clearance Values
Distance From Runway (NM)
Required Terrain Clearance (FT)
FLTA alerts are automatically inhibited when the aircraft is less than 200 feet above the destination runway
elevation while within 0.5 nm of the approach runway or the aircraft is between runway ends