List Of Abbreviations and Acronyms
° Degree
AC Advisory Circular
ABV Above
ADS-B Automatic Dependant Surveillance – Broadcast
ADS-R Automatic Dependant Surveillance – Rebroadcast
AFM Airplane Flight Manual
AGL Above Ground Level
AIRMET Airmen’s Meteorological Information
ALT Altitude
ATC Air Traffic Control
ATCRBS Air Traffic Control Radar Beacon System
BLW Below
BRT Brightness
CDTI Cockpit Display of Traffic Information
CONUS Contiguous United States
CPA Closest Point of Approach
DCM Detachable Configuration Module
DO- RTCA Document
EAR Export Administration Regulations
EGPWS Enhanced Ground Proximity Warning System
FAA Federal Aviation Administration
FDE Fault Detection and Exclusion
FIS-B Flight Information Service - Broadcast
fl Foot-Lambert
ft Feet
ft/min Feet Per Minute
GA General Aviation
GBT Ground Based Transceiver
GALT GPS Altitude
GND Ground
GPS Global Positioning System
GS Ground Speed
GPWS Ground Proximity Warning System
HAE Height Above Ellipsoid
HPL
SBAS
Horizontal Protection Level Using SBAS error estimates
HPL
FD
Horizontal Protection Level using a weighted FDE algorithm
hPa Hectopascals
Hz Hertz
ICAO International Civil Aviation Organization
ID Identification
IDENT Identification
InHg Inches of Mercury
kt/kts Knot (s)
lbs pounds
max Maximum
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