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12 - MESSAGES
ABBREVIATIONS &
NAV TERMS
205
190-00357-00 Rev E
Abbreviations
The following is a list of abbreviations and acronyms
used on the 500W-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
DP — DepartureProcedure
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
FDE — FaultDetectionand
Exclusion
FF — Fuel Flow
FIR — Flight Information Region
FLTA— Forward Looking Terrain Avoidance
FOB — Fuel On Board