INTERNATIONAL OPERATIONS GLOSSARY OF TERMS
1090 ES -- 1090 MHz extended Squitter
AAD -- Assigned Altitude Deviation
ACARS -- Aircraft Communications Addressing & Reporting System
ACAS -- Airborne Collision Avoidance System
ACC -- Area Control Center
ACL -- ATC Clearance
ACM -- ATC Communication Management
ACSP -- Aeronautical Communication Service Provider
ADC -- Air Data Computer
ADF -- Automatic Direction Finding
ADS -- Automatic Dependent Surveillance
ADS-B -- Automatic Dependent Surveillance - Broadcast
ADS-B In -- ADS-B signal received onboard from another aircraft or ground station
ADS-B Out -- ADS-B signal sent from aircraft to ground station or other aircraft
ADS-C -- Automatic Dependent Surveillance - Contract
ADS-ADD -- ADS Aircraft Derived Data
ADS-NRA -- ADS in Non-Radar Airspace
ADS-RAD -- ADS in Radar Airspace Blending of ADS & SSR
AEEC -- Airlines Electronic Engineering Committee
AFIS -- Aeronautical Flight Information System
AFN -- ATS Facilities Notification (FANS logon)
AFTN -- Aeronautical Fixed Telecommunication Network
AGL -- Above Ground Level
AIC -- Aeronautical Information Circular
AIP -- Aeronautical Information Publication
AMC -- ATC Microphone Check
AIS -- Aeronautical Information Service
AKD -- Altitude Keeping Device
AMSS -- Aeronautical Mobile Satellite Services
ANSP -- Air Navigation Service Provider
AOC -- Airline Operational Communications
AOC -- Air Operator’s Certificate
APQI -- Aircraft Position Quality Indicator
ARINC -- Formerly Aeronautical Radio Incorporated
ASE -- Altimetry System Error
ASR -- Aviation Safety Report
ATA -- Actual Time of Arrival
ATC -- Air Traffic Control
ATM -- Air Traffic Management
ATN -- Aeronautical Telecommunications Network
ATS -- Air Traffic Services
ATSA-AIRB -- Enhanced Traffic Situational Awareness when Airborne
ATSA-ITP -- Enhanced Traffic Situational Awareness In-Trail-Procedures
ATSA-SURF -- Enhanced Traffic Situational Awareness on the airport Surface
ATSA-S&M -- Enhanced Sequencing & Merging operations
ATSA-VSA -- Enhanced Visual Separation on Approach
ATSU -- Air Traffic Service Unit
AWPR -- Automatic Waypoint Reporting
BOTA -- Brest Oceanic Transition Area
BRNAV -- Basic Area Navigation
CAATS -- Canadian Automated Air Traffic System
CAR -- Caribbean Region
CC -- Connection
CDA -- Current Data Authority (ATC organization conducting Datalink with you)
CDTI -- Cockpit Display of Traffic Information
CEPAC -- Central East Pacific Route System
CDU -- Control Display Unit
CFL -- Cleared Flight Level
CMA -- Central Monitoring Agency
CNS -- Communications, Navigation and Surveillance
COSPAS -- Space System for the Search of Vessels in Distress
CPC -- Connect Request (Euro Control)
CPDLC -- Controller Pilot Datalink Communications
CR -- Connect Request
CSP -- Communication Service Providers
CTA -- Control Area
CTR -- Control Zone
D-ATIS -- Data link (or Digital) Automatic Terminal Information Service
D-ORIS -- Data link Operational “En-Route” Information Service
D-SIG -- Data link Surface Information & Guidance
D-TAXI -- Data link Taxi Instruction
DA -- Data Authority
DCDU -- Datalink Control & Display Unit
DCL -- Departure Clearance
DCPC -- Direct Controller/Pilot Communications
DDTC -- Data link Delivery of Taxi Clearance
DME -- Distance Measuring Equipment
DL -- Data Link (CPDLC, ATN, ACARS, AFIS)
DLIC -- Data Link Initiation Capability
DLS -- Data Link Services
DR -- Dead Reckoning
DSC -- Downstream Clearance
ELT -- Emergency Locator Transmitter
ETA -- Estimated Time of Arrival
ETOPS -- Extended Operations
EUR -- Europe
FAA -- Federal Aviation Administration
FANS -- Future Air Navigation System
FDE -- Fault Detection and Exclusion
FIC -- Flight Information Center
FIR -- Flight Information Region
FIS-B -- Flight Information Services Broadcast
FL -- Flight Level
FLAS -- Flight Level Allocation Scheme
FLIPCY -- Flight Plan Consistency
FLIPINT -- Flight Path Intent
FMCS -- Flight Management Computer System
FMC -- Flight Management Computer
FMS -- Flight Management System
FTE -- Flight Technical Error
GBAS -- Ground-Based Augmentation System
GLONASS -- Global Orbiting Navigation Satellite System
GMS -- Global Positioning System Monitoring System
GMU -- GPS (Height) Monitoring Unit
GNE -- Gross Navigation Error
GNSS -- Global Navigation Satellite System
GP -- General Purpose
GPS -- Global Positioning System
GRECO -- Graphical Trajectory Co-ordination
HF -- High Frequency
HFDL -- High Frequency Data Link
HMI -- Human Machine Interface
HMU -- Height Monitoring Unit
HSI -- Horizontal Situation Indicator
IATA -- International Air Transport Association
ICAO -- International Civil Aviation Organization
IFR -- Instrument Flight Rules
IGA -- International General Aviation
INS -- Inertial Navigation System
IRS -- Inertial Reference System
ITP -- In-Trail Procedures
JAA -- Joint Aviation Authorities
KHz -- Kilohertz
LAT -- Latitude
LDOC -- Long Distance Operational Control Frequencies
LONG -- Longitude
LRNS -- Long Range Navigation System
MASPS -- Minimum Aircraft System Performance Specification
MCDU -- Multi-function Cockpit Display Unit
MEL -- Minimum Equipment List
MET -- Meteorological
MHz -- Megahertz
MNPS -- Minimum Navigation Performance Specification
MSL -- Mean Sea Level
MTT -- Minimum Time Track
NAM -- North American Region
NAR -- North American Route
NAT -- North Atlantic Region
NATS -- National Air Traffic Services Limited
NAT SPG -- North Atlantic Systems Planning Group
NDA -- Next Data Authority
NDB -- Non Directional Beacon
NERS -- North Atlantic European Route Scheme
NM -- Nautical Mile
NOAA -- National Oceanic and Atmospheric Administration
NOPAC -- North Pacific Route System
NOTA -- Northern Oceanic Transition Area
NOTAM -- Notice to Airmen
NSE -- Nav Sensor Error
NRA -- Non-Radar Airspace
OAC -- Oceanic Area Control Center
OCA -- Oceanic Control Area
OCL -- Oceanic Clearance
OTS -- Organized Track System
PANS -- Procedures for Air Navigation Services
PAC -- Pacific Region
PBN -- Performance Based Navigation
PEC -- Position Error Correction
PDC -- Pre Departure Clearance
PDE -- Path Definition Error
PQI -- Position Quality Indicator
PRM -- Preferred Route Message
PSE -- Path Steering Error
PSR -- Primary Surveillance Radar
PVT -- Position, Velocity & Time
RA -- Resolution Advisory
RAIM -- Receiver-Autonomous Integrity Monitoring
RCP -- Required Communication Performance
RMI -- Remote Magnetic Indicator
RNAV -- Area Navigation
RNP -- Required Navigation Performance
RSP -- Required Surveillance Performance
R/T -- Radio Telephony
RVSM -- Reduced Vertical Separation Minimum
S&M -- Sequencing and Merging
SAM -- South America Region
SAR -- Search and Rescue
SARPS -- Standards and Recommended Practices
SARSAT -- Search and Rescue Satellite-Aided Tracking
SATCOM -- Satellite Communications
SDL -- Satcom Data Link
SELCAL -- Selective Calling
SID -- Standard Instrument Departure
SIGMET -- Significant Meteorological Weather
SITA -- Société Internationale de Télécommunications Aéronautiques
SLOP -- Strategic Lateral Offset Procedures
SOTA -- Shannon Oceanic Transition Area
SPI -- Special Pulse Identification
SSEC -- Static Source Error Correction
SSB -- Single Side-band
SSR -- Secondary Surveillance Radar
SVA -- Enhanced Successive Visual Approaches
TA -- Traffic Advisory
TAS -- True Airspeed
TCAS -- Traffic (Alert and) Collision Avoidance System
TGL -- Temporary Guidance Leaflet
TIS-B -- Terminal Information Service - Broadcast
TKE -- Track Keeping Error
TLS -- Target Level of Safety
TMA -- Terminal Maneuvering Area
TMI -- Track Message Identification
TSE -- Total System Error
TSO -- Technical Standard Order
TVE -- Total Vertical Error
TWDL -- Two-Way Data Link
TWIP -- Terminal Weather Information for Pilots
UTC -- Coordinated Universal Time
VDL -- VHF Data Link
VFR -- Visual Flight Rules
VHF -- Very High Frequency
VSM -- Vertical Separation Minimum
VOR -- VHF Omni-directional Range
WAH -- When Able Higher
WATRS -- West Atlantic Route System
WATRS Plus -- WATRS airspace + Miami Atlantic High Offshore Airspace + San Juan Oceanic FIR
WPR -- Waypoint Position Report