Garmin GNC 300 Pilot's Manual page 128

APPENDIX D
SECTION
MESSAGES &
D
Messages &
ABBREVIATIONS
Abbreviations
118
RX- Receive Only
SAR- Search And Rescue
SEC- Seconds
SEQ- Sequence
SGL- Signal
SID- Standard Instrument
Departure
SLCT- Select
SRFC- Surface
STAR- Standard Terminal
Arrival Route
STR- Steer To
TACAN- TACtical Air Navigational Aid
TAS- True Airspeed
TAT - Total Air Temperature
TEMP- Temperature
TMA- ICAO Terminal Control Area
TRK- Track Angle
TRN- Transition
TRN- Turn Angle
TRSA- Terminal Radar Service Area
TWR- Tower
TX- Transmit Only
U- UTC Time
UNI- Unicom
URA- User Range Accuracy
USER- User Waypoint
USR- User Waypoint
UTC- Universal Time Coordinated
(GMT/ Zulu)
VN- VNAV or Vertical Navigation
VNAV- Vertical Navigation
VOR- VOR Waypoint
WPT- Waypoint
WX- Weather