Terrain Configurations - Garmin GTN 625 Pilot's Manual Upgrade Supplement

10 TERRAIN
10.1

Terrain Configurations

NOTE: Obstacles are removed from the Terrain and TAWS pages at ranges
greater than 10 NM.
During power-up of the GTN 6XX, the terrain/obstacle database versions are
displayed along with a disclaimer. At the same time, the Terrain system self-test
begins. A failure message is issued if the terrain test fails.
Garmin provides the following terrain awareness solutions within the GTN
6XX environment.
Alerting functions are designed to increase situational awareness
and help reduce controlled flight into terrain (CFIT).
Terrain Type
• Standard terrain function displaying relative elevations on
(H)Terrain
Proximity
• Does not provide aural or visual alerts
• Basic terrain alerting function
• Provides aural and visual alerts
(H)Terrain
Alerting
• Does not meet TSO-C151c or TSO-C194 requirements for
• Optional terrain alerting function for rotorcraft
HTAWS
• Satisfies TSO-C194 requirements for certification
• Optional TSO-C151c Class A terrain alerting system
TAWS-A
• Provides aural and visual alerts when terrain and obstacles are
• Optional TSO-C151c Class B terrain alerting system
TAWS-B
• Provides aural and visual alerts
190-01004-03 Rev. N
moving map
certification
within a given altitude threshold from the aircraft
Table 10-1 Terrain Configurations
GTN 625/635/650 Pilot's Guide
Features
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
10-1