Garmin 300XL Pilot's Manual And Reference page 70

SECTION
NRST KEY
4
SUA Messages
SUA alert page
Frequency information for SUA. If the informa-
tion is too long to fit on the display, the GNC
300XL will automatically scroll to display the rest
of the information.
60
The following SUA types can appear in the SUA type field:
Message Airspace Type
alrt - Alert
caut - Caution
cl B - Class B
cl C - Class C
cta - ICAO Control Area
dngr - Danger
moa - Military Operations Area
proh - Prohibited
rstc - Restricted
tma - ICAO Terminal Control Area
trng - Training
trsa - Terminal Radar Service Area
unsp - Unspecified
warn - Warning
The last line on the SUA alert page displays the SUA' s controlling airport identifier
and the ceiling and floor altitudes for the SUA alert. Controlling agency frequencies
may be viewed by highlighting the controlling airport identifier with the cursor and
pressing E. The following are examples of what can appear in the altitude fields:
Message Meaning
8000 f tM
- 8000 feet mean sea level (MSL)
3000 f tA
- 3000 feet above ground level (AGL)
ground - Ground level
msl - Mean sea level
notam - See Notice to Airmen (NOTAM)
for altitude restrictions
not sp - Altitude is not specified
unlmtd - Altitude is unlimited