Garmin GPS 400W Pilot's Manual & Reference page 153

• 5000 ft msl (5000 feet mean sea level)
• 5000 ft agl (5000 feet above ground level)
• MSL (at mean sea level)
• NOTAM (see Notice to Airmen) *
• Unknown * • Unlimited *
• See Chart * • Surface *
* Not shown in this example
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.
190-00356-00 Rev B
7 - NRST PAGES
Nearest Airspaces
143