Hazard Awareness
190-02488-01 Rev. B Pilot’s Guide 5-37
Database Limitations
Garmin cross-validates terrain and obstacle data in accordance with TSO-C151c.
However, the information should never be considered all-inclusive. Database
inaccuracies or omissions may exist.
Terrain and obstacle data are not available when the aircraft is operating outside of
the installed database coverage area.
Garmin obtains terrain and obstacle data from government sources and cannot
independently verify the accuracy and completeness of the information. Pilots must
familiarize themselves with the appropriate charts and other data for safe flight.
[1] HOT lines are power lines that share location with other obstacles identified by the FAA.
DATABASE LIMITATION
Terrain
• Not available north of 89º N latitude and south of
89º S latitude
Obstacle
• Coverage areas vary according to database type
• Power line indications for the contiguous United States and
small parts of Canada and Mexico
• Regional definitions may change without notice
• May not contain uncharted obstacles
• May include power lines or only HOT lines depending on
database type
[1]
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