Garmin GPS 400 Pilot's Manual And Reference page 22

TAKEOFF TOUR
5
PROCEDURES
Special-use and
Approach Examples
Controlled Airspace
When an airspace alert occurs, the message
(MSG) annunciator will flash. Press
view the alert message.
To view additional information about the air-
space, select the nearest airspace page.
Detailed information is available by highlight-
ing the airspace name and pressing
The last page in the NRST group, the nearest airspace page, provides informa-
tion for up to nine controlled or special-use airspaces near or in your flight path.
Airspace information appears on this page based upon the same criteria used for air-
space alert messages. Nearby airspace information and airspace alert messages are
provided according to the following conditions:
By default, airspace alert messages are turned off. When turned on, the message
M
to
(MSG) annunciator located directly above the
airspace message. (See page 128 for information on enabling airspace alert messages.)
To view an airspace alert message:
Note that the airspace alerts are based upon three-dimensional data (latitude,
longitude and altitude) to avoid nuisance alerts. The alert boundaries for controlled
airspace are also sectorized to provide complete information on any nearby airspace.
Additional information about a nearby airspace—such as controlling agency, fre-
quency and floor/ceiling limits—is available from the nearest airspace page (see
E
page 107 and illustrations shown at left).
.
• If your projected course will take you inside an airspace within the
next ten minutes, the message "Airspace ahead -- less than 10
minutes" will appear.
• If you are within two nautical mile of an airspace and your current
course will take you inside, the message "Airspace near and ahead"
will appear.
• If you are within two nautical miles of an airspace and your current
course will not take you inside, the message "Near airspace less than
2nm" will appear.
• If you have entered an airspace, the message "Inside airspace" will
appear.
M
M
M
key will flash to alert you to the