Terrain Awareness
WARNING
Do not use Terrain and obstacle data to navigate or maneuver around terrain.
They are an aid to situational awareness only.
FEATURE REQUIREMENTS
All terrain functions require the following components to operate properly.
•
Valid 3D GPS position for terrain and obstacle data display
•
Valid terrain/obstacle database
FEATURE LIMITATIONS
•
Alerting functions are dependent upon the configured terrain alerting options
Terrain Configurations
Available Terrain Modes
•
(H)Terrain Proximity
•
Terrain Alerting
•
1
TAWS-B
•
1
TAWS-A
•
(H)Terrain Alerting
•
†
HTAWS
1
Optional.
Terrain controls are accessible from the Terrain menu. Map overlay keys are accessible
from the associated map menu.
190-02327-03 Rev. C
Terrain Proximity displays relative
elevations on moving map depictions
(Terrain page, Map). It does not
provide visual alerts.
Terrain Alerting adds Forward
Looking Terrain Alert (FLTA) and
Premature Descent Alert (PDA)
functions. These include visual alerts
when the aircraft flies below an
alerting threshold.
Pilot's Guide
Hazard Awareness
5-97