A
ACARS
Aircraft Communications Addressing and Reporting System
ACAS
Airborne Collision Avoidance System
ACC
Area Control Centre
ACI
Airport Council International
ADS
Automatic Dependent Surveillance
ADS - B
Automatic Dependent Surveillance - Broadcast
ADS-C
Automatic Dependent Surveillance - Contract
AFG
Audit and Financial Group
AFTN
Aeronautical Fixed Telecommunication Network
AIM
Aeronautical Information Management
AIS
Aeronautical Information Service
AMHS
Automated Message Handling System
ANS
Air Navigation Services
ANSP
Air Navigation Services Provider
AOC
Air Operator Certificate
AOR-E
Atlantic Ocean Region East
APP
Approach Control
ARINC
Aeronautical Radio Incorporate
ARN
ATS Route Network
ARTAS
ATM SuRveillance Tracker and Server
ASM
Airspace Management
ASMGCS
Advanced Surface Movement Guidance and Control System
ATC
Air Traffic Control
ATCC
Air Traffic Control Centre
ATCO
Air Traffic Control Officer
ATFM
Air Traffic Flow Management
ATM
Air Traffic Management
ATMC
Air Traffic Management Centre
ATN
Aeronautical Telecommunication Network
ATS
Air Traffic Services
ATSU
Air Traffic Services Unit
B
B-RNAV
Basic Area Navigation
C
CAIRDE
Civil Aviation Integrated Radar Display Equipment
CANSO
Civil Air Navigation Services Organisation
CNS
Communications, Navigation and Surveillance
CPDLC
Controller Pilot Data Link Communications
CSU
Chargeable Service Unit
D
DME
Distance Measuring Equipment
DMEAN
Dynamic Management of the European ATM Network
DVOR
Doppler VHF Omni-directional Radio Range
E
EASA
European Aviation Safety Agency
EATCHIP
European Air Traffic Control Harmonisation Programme
EATM
European Air Traffic Management
ECIP
Eurocontrol Convergence & Implementation Programme
EFDPS
European Flight Data Processing
EGNOS
European Geostationary Navigation Overlay System
ESARR
European Safety Regulatory Requirements
ETF
European Transport Federation
F
FAA
Federal Aviation Administration
FAB
Functional Airspace Block
FACTS
Future Area Control Tools Supp
FANS
Future Air Navigation Systems
FDO
Flight Data Operator
FDP
Flight Data Processing
FDPS
Flight Data Processing System
FIR
Flight Information Region
FL
Flight Level
FUA
Flexible Use of Airspace
G
GAT
General Air Traffic
GNSS
Global Navigation Satellite Systems
GPS
Global Positioning System
H
HF
High Frequency (radio communication)
HMI
Human Machine Interface
I
IAA
Irish Aviation Authority
IALPA
Irish Airline Pilots' Association
IATA
International Air Transport Association
ICAO
International Civil Aviation Organisation
ILS
Instrument Landing System
INS
Inertial Navigation System
J
JAA
Joint Aviation Authorities
K
KPAs
Key Performance Areas
L
LAN
Local Area Network
M
MATSE
Meeting (of ECAC Transport Ministers) on the Air Traffic System in Europe
MRTS
Multi Radar Tracking System
MSSR
Monopulse Secondary Surveillance Radar
N
NAT SPG
North Atlantic Systems Planning Group
NDB
Non-Directional BeaconNOTA
Northern Oceanic Transition AreaNSA
National Supervisory Authority
O
OAT
Operational Air Traffic
OCA
Oceanic Control Area
ODS
Operational Display System
OLDI
On Line Data Interchange
P
PHARE
Programme for Harmonisation of ATC Research in Europe
PS
Primary Surveillance Radar
R
RDPS
Radar Data Processing System
RNAV
Area Navigation
RVSM
Reduced Vertical Separation Minima
S
SARPs
Standards and Recommended Practices
SATCOM
Satellite Communications
SES
Single European Sky
SID
Standard Instrument Departure
SLOP
Strategic Lateral Offset Procedures
SMR
Surface Movement Radar
SMS
Safety Management System
SOTA
Shannon Oceanic Transition Area
SSR
Secondary Surveillance Radar
STAR
Standard Arrival Route
T
TACT
Tactical Flow Management Working Group
TMA
Terminal Control Area
U
UAC
Upper Area Control Centre
UIR
Upper Information Region
UPS
Uninterruptible Power Supply
V
VDL
Very High Frequency Data Link
VHF
Very High Frequency
VoIP
Voice over Internet Protocols
VOR
VHF Omni-directional Radio Range
W
WGS
World Geodetic System