Garmin GNC 355, Pilot'S Manual

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190-02488-01 Rev. B Pilot’s Guide vii
Warnings, Cautions, and Notes
WARNING
Do not use terrain avoidance displays as the sole source of information for
maintaining separation from terrain and obstacles. Garmin obtains terrain and
obstacle data from third party sources and cannot independently verify the
accuracy of the information.
WARNING
Do not rely solely upon Terrain Proximity data for terrain avoidance. Terrain
Proximity is not a certified terrain awareness system. It is an aid to situational
awareness only. Using Terrain Proximity data does not under any circumstances
or conditions relieve the pilot’s responsibility to see and avoid terrain or
obstacles.
WARNING
Always refer to current aeronautical charts and NOTAMs for verification of
displayed aeronautical information. Displayed aeronautical data may not
incorporate the latest NOTAM information.
WARNING
Never use GPS altitude for vertical navigation. The altitude calculated by GPS
receivers is geometric height above Mean Sea Level and could vary significantly
from the altitude displayed by pressure altimeters (e.g., the output from the
GDC 74A/B air data computer) or other altimeters in the aircraft. Always refer to
the pressure altimeters in the aircraft for current pressure altitude.
WARNING
Never use expired databases. Update databases regularly to ensure currency.
Use out of date database information at your own risk.
WARNING
Never use basemap information (land and water data) as the sole means of
navigation. Basemap data is intended only to supplement other approved
navigation data sources and should be considered only an aid to enhance
situational awareness.
WARNING
Do not rely solely upon the display of traffic information to accurately depict all
of the traffic within range of the aircraft. Due to lack of equipment, poor signal
reception, and/or inaccurate information from aircraft or ground stations, traffic
may be present that is not represented on the display.