Garmin GPS 400 Pilot's Manual And Reference page 118

6
NRST PAGES
Nearest Airspaces
Airspace Name
and Type
Status and
Time to Entry
The bottom right-hand corner of the airspace page displays the floor and ceiling
limits of the airspace. The following are examples of what may appear as vertical
limits for an airspace:
• 5000 f t msl (5000 feet mean sea level)
• 5000 f t agl (5000 feet above ground level)
• MSL (at mean sea level)
• Notam (see Notice to Airmen)
• Unknown
• See Chart
All airspace alert messages, except for prohibited areas, may be turned on or off
from the airspace alarms page. An altitude buffer is also provided on the airspace
alarms page to provide an extra margin of safety above/below the published limits.
See page 126 for additional details.
"Done?" Field
(return to
previous page)
"Frequency?" Field
(display frequency page)
Floor/Ceiling Limits
• Unlimited
• Surface