18-1
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Appendix
18 APPENDIX
18.1 Glossary
ACT, ACTV
active, activate
ADC
Air Data Computer
ADF
Automatic Direction Finder
ADI Attitude Direction Indicator
AFM
Airplane Flight Manual
AFMS
Airplane Flight Manual Supplement
AGL
Above Ground Level
AIM
Airman’s Information Manual
AIRMET
Airman’s Meteorological Information
ALT altitude
AP autopilot
APR approach
APT
airport, aerodrome
ARINC
Aeronautical Radio Incorporated
ARSPC airspace
ARTCC
Air Route Traffic Control Center
AS airspeed
ASOS
Automated Surface Observing System
ATC
Air Traffic Control
ATCRBS
ATC Radar Beacon System
ATIS
Automatic Terminal Information Service
AUX auxiliary
AWOS
Automated Weather Observing System
BARO
barometric setting
BC backcourse
Bearing
The compass direction from the present position to a
destination waypoint
BRG bearing
C
center runway
ºC
degrees Celsius
CDI
Course Deviation Indicator
CHNL channel
CLD cloud
Summary of Contents for GTN 625
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