190-02177-02 Rev. A
Garmin G1000 NXi Pilot’s Guide for the Cessna NAV III
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL
FEA
TURES
APPENDICES
INDEX
317
HAZARD AVOIDANCE
Figure 6-63 ‘Map - Terrain Proximity’ Page
Map Orientation
Current Aircraft
GPS-derived GSL
Altitude
Red Terrain
(Above or Within
100’ Below the
Aircraft Altitude)
Red Lighted Obstacle
(Above or Within 100’
Below Aircraft Altitude)
Yellow Lighted Obstacles
(Between 100’ and 1000’
Below Aircraft Altitude)
Yellow Terrain
(Between 100’ and
1000’ Below the
Aircraft Altitude)
Terrain Legend
Black Terrain
(More than 1000’
Below the Aircraft
Altitude)
WIRE OBSTACLE INFORMATION AND ALERTING
For additional safety, the terrain system incorporates Garmin’s WireAware
™
wire obstacle information. For
wire obstacles such as power lines present in the obstacle database, the system shows these on the maps as well
as the Synthetic Vision display; see the Flight Instruments section for more information about Synthetic Vision
displays of power lines. For the Terrain-SVT and TAWS-B only, this system can also issue cautions or warnings
for potential impact with wire obstacles.
WireAware database information mainly includes Hazardous Obstacle Transmission (HOT) power lines which
are typically high voltage transmission lines depicted on VFR Sectional charts, and are considered of special
interest to fixed-wing pilots. These include power lines which may span rivers, valleys, canyons, or be in close
proximity to airports/heliports.
It is important to note the obstacle database does not contain all power lines. In fact, WireAware database
coverage is mostly limited to HOT power lines, such as the especially tall transmission lines and their associated
support structures. It does not typically have information for the more prevalent smaller utility poles or lines,
such as those found in residential areas. Furthermore, WireAware obstacle database coverage exists mainly in
the United States; with limited coverage in portions of Canada and Mexico. In addition, the height of the wire
obstacles is commonly estimated and should not be relied upon for maneuvering decisions.
NOTE:
Wire obstacle symbols are not depicted in the Vertical Situation Display (VSD).
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