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TAKEOFF TOUR
190-00357-00 Rev E
Nearest Airspace Page
The last page in the NRST group, the Nearest
Airspace Page, provides information 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 airspace alert
messages. Nearby airspace information and airspace
alert messages are provided according to the following
conditions:
•Ifyourprojectedcoursetakesyouinside
an airspace within the next ten minutes,
the message “Airspace ahead -- less than 10
minutes” appears.
•Ifyouarewithintwonauticalmilesofan
airspace and your current course is such
that it will take you inside that airspace, the
message “Airspace near and ahead” appears.
•Ifyouarewithintwonauticalmilesofan
airspace and your current course is such
that it will not take you inside that airspace,
the message “Near airspace less than 2nm”
appears.
•Ifyouhaveenteredanairspace,themessage
“Inside Airspace” appears.
By default, airspace alert messages are turned off.
When turned on, the message (MSG) annunciator
located directly above the MSG key flashes to alert
you to the airspace message.
To view additional information about the
airspace, select the nearest airspace page.
Detailed information is available by high-
lighting the airspace name and pressing ENT.
To view an airspace alert message:
1. Press the MSG key. The message page appears
with the alert message.
When an airspace alert occurs, the message
(MSG) annunciator flashes at the bottom of the
screen. Press MSG to view the alert message.
2. Press MSG again to return to the previous
display.
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. Addi-
tional information about a nearby airspace — such as
controlling agency, frequency and floor/ceiling limits
— is available from the nearest airspace page.
Nearest Airspace