Terrain Not AvaLable" Alert - Garmin GPS 400W Pilot's Manual & Reference
400w series
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Also See for GPS 400W:
- Installation manual (236 pages) ,
- Pilot's manual & reference (220 pages) ,
- Maintenance manual (114 pages)
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2 - NAV PAGES
Terrain Alerts
"TERRAIN Not Available" Alert
The TERRAIN system requires a 3D GPS
navigation solution along with specific vertical
accuracy minimums. Should the navigation solution
become degraded, or if the aircraft is out of the
database coverage area, the annunciation "TERRAIN
NOT AVAILABLE" is displayed on the TERRAIN Page.
"TERRAIN NOT AVAILABLE" display
190-00356-00 Rev B
49
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