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400/500 Series Garmin Optional Displays

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36<br />

Section 2<br />

TERRAIN Operation<br />

Terrain/Obstacle Database Areas of Coverage<br />

The following describes the area of coverage available in each database. Regional definitions may<br />

change without notice.<br />

Worldwide (WW):<br />

Latitudes: S60 to N75<br />

Longitudes: W180 to E180<br />

Americas (AME):<br />

Latitudes: S60 to N75<br />

Longitudes: W180 to W30<br />

Atlantic (ATL):<br />

Latitudes: S60 to N75<br />

Longitudes: W30 to E90<br />

CAUTION: Obstacles 200’ and higher are included in the Obstacle Database. It is very important to<br />

note that not all obstacles are necessarily charted and therefore may not be contained in the Obstacle<br />

Database.<br />

Navigation Database<br />

Pacific (PAC):<br />

Latitudes: S60 to N75<br />

Longitudes: E60 to E180<br />

United States (US):<br />

Limited to the United States plus some areas of<br />

Canada, Mexico, Caribbean, and the Pacific.<br />

As explained in the “Premature Descent Alerting (PDA)” section (page 41), the <strong>Garmin</strong> TERRAIN premature<br />

descent alerting (PDA) algorithms utilize data contained in the Navigation Database. It is therefore<br />

important to also have the latest Navigation Database installed to ensure correct TERRAIN alerting.

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