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11 - MESSAGES
ABBREVIATIONS &
NAV TERMS
189
190-00356-00 Rev E
Abbreviations
The following is a list of abbreviations used on the 400W-
series unit and their meanings:
ACTV— Active
ALT— Altitude
APR— Approach
APT— Airport
ARSPC— Airspace
ARTCC— Air Route Traffic Control Center
ARVL— Arrival
AUX— Auxiliary
AVGAS— Aviation-grade Gasoline
AVTN— Aviation
BARO— Barometric setting
BRG— Bearing To
°C— DegreeCelsius
C/V— COM/VLOC
CAS— Calibrated Airspeed
CDI— CourseDeviationIndicator
CLR— Clear
COM— Communications Transceiver
CRSR— Cursor
CTA— ICAO Control Area
CTAF— Common Traffic Advisory Frequency
CTR— Center (see ARTCC)
CUM— Cumulative
DB— Database
DEN— Density
DEP— Departure
DEPT— Departureguidance
DIS— Distance
DME— DistanceMeasuringEquipment
DTK— DesiredTrack
EFF— Efficiency
ELEV— Elevation
ENDUR—Endurance
ENR— En Route
ENT— Enter
EPU— Estimated Position Uncertainty
ESA— En Route Safe Altitude
ETA— Estimated Time of Arrival
ETE— Estimated Time En Route
°F— DegreesFahrenheit
FAF— Final Approach Fix
FF— Fuel Flow
FIR— Flight Information Region
FLTA— Forward Looking Terrain Avoidance
FOB— Fuel On Board
FPL— Flight Plan
fpm— Feet Per Minute
FREQ— Frequency
FSS— Flight Service Station
ft— Feet