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All SUA alert messages except for prohibited areas may be turned on or off
through the GPS 165’s
S
key (described page 92). The GPS 165 will also automati-
cally turn off SUA alert messages during approach operations (see page 73). Alerts for
prohibited areas will always be displayed, regardless of unit settings or operating
mode. SUA alerts may be turned off so the pilot can avoid continuous alerts in areas
with extensive special use airspace.
Important: Turning off the SUA alerts only stops the display of SUA messages.
Any applicable SUA alert pages will still be available from the
T
key.
The GPS 165 also features an altitude buffer which may be set to provide a greater
level of protection from penetrating an SUA. By increasing the altitude buffer, you can
effectively stretch an SUA’s altitude boundaries in both directions. This allows the
pilot to add an extra margin of prevention around controlled or restricted airspace.
For instructions on setting the altitude buffer, see page 92.
47
WAYPOINTS & DATABASE
SUA Alerts
SUA Settings Page
165 manual 7/13/98 3:59 PM Page 47