Contextual Model Abbreviations

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Supplement Abbreviation Term
European Supplement A Ampere
European Supplement XMAN Cross border extended AMAN
European Supplement XCD Exceptional Condition
European Supplement WXXM Weather Information Exchange Model
European Supplement WOC Wing Operation Centre
European Supplement WMS Web Map Service
European Supplement WMO World Meteorological Organization
WINTEM Wind and temperature information
European Supplement WIFO What-if Flight Object
WGS84 World Geodetic System - 1984
WGS World Geodetic System
European Supplement WFS Web Feature Service
European Supplement WCS Web Coverage Service
Wb Weber
European Supplement WAM Wide Area Multi-lateration
WAFC World area forecast centre
WAAS Wide area augmentation system
European Supplement W3C World Wide Web Consortium
W Watt
European Supplement VTT Variable Taxi Time
European Supplement VSB Virtual Stop Bars
European Supplement VRNP Vertical Required Navigation Performance
European Supplement VPA Variable Profile Area
VOR VHF omnidirectional radio range
European Supplement VoIP Voice over Internet Protocol
Voice-ATIS Voice Automatic Terminal Information Service
VNAV Vertical Navigation
VMC Visual meteorological conditions
European Supplement VLJ Very Light Jet
VIP Very important person
VHF Very high frequency
VGSI Visual Glide Slope Indicator
European Supplement VGA Variable Geometry Area
VFR Visual flight rules
European Supplement VDL VHF Digital Link
VASIS Visual approach slope indicator systems
VAAC Volcanic Ash Advisory Centre
V Volt
European Supplement UUP Updated Airspace Use Plan
UTC Coordinated Universal Time
European Supplement UPT User Preferred Trajectory
European Supplement UPR User Preferred Route
European Supplement UP4DT User preferred 4D Trajectory
European Supplement UML Unified Modeling Language
UIR Upper flight information region
UHF Ultra high frequency [300 to 3 000 MHz]
European Supplement UFI IATA Unique Flight Identifier
European Supplement UDPP User driven prioritisation process
UAV Unmanned Aerial Vehicle
UAS Unmanned Aircraft System
UAC Upper area control centre
TWR Aerodrome control tower or aerodrome control
European Supplement TTOT Target Take-Off Time
European Supplement TTOM The progressively refined planning time for the flight to be over the Metering Fix.
European Supplement TTOIM Targeted Time from the Arrival management process at the Metering Fix, taking runway sequence and constraints into account. It is not a constraint but a progressively refined planning time.
European Supplement TTO Target Time Over (a fix, waypoint, etc)
European Supplement TTL Time to lose
European Supplement TTG Time to gain
European Supplement TTA Target Time of Arrival
TSAT Target Start Up Approval Time
European Supplement TSA Temporary Segregated Area
TS Traffic Synchronisation
European Supplement TRS Time To Remove From Sequence
TREND Trend forecast
European Supplement TRACT Trajectory Adjustment through Constraint of Time
TRA Temporary Reserved Airspace
TR Track
European Supplement TPO Tactical Parallel Offset
European Supplement TP Trajectory Predictor
TORA Take-off run available
TODAH Take-off distance available (for helicopters)
TODA Take-off distance available
TOD Top of Descent
TOC Top of Climb
TOBT Target off-block time
European Supplement TMR Trajectory Management Requirement
TMA Terminal control area
TLOF Touchdown and lift-off area
European Supplement TLDT Target Landing Time
European Supplement TL Traffic Load
European Supplement TIS Time To Insert In Sequence
European Supplement TIBT Target In Block time
European Supplement THL Take-Off Hold Lights
European Supplement TFV Traffic Flow Volume
European Supplement TD Traffic Demand
European Supplement TCT Tactical Controller Tool
European Supplement TCP Transfer of control point
European Supplement TCM Traffic Complexity Manager
TCAC Tropical Cyclone Advisory Centre
European Supplement TC-SA Trajectory Control by Ground Based Speed Adjustments
European Supplement TBS Time Based Separation (Wake Vortex)
European Supplement TBO Time based operation
European Supplement TAWS Terrain Avoidance Warning System
TAS True airspeed
TAR Terminal Airspace Radar
TAF Terminal Aerodrome Forecast
TACAN UHF tactical air navigation aid
TAA Terminal Arrival Altitude
European Supplement t�C Celsius Temperature
European Supplement T-DPI Target Departure Planning Information
T Tesla
t Tonne
European Supplement SYSCO System Supported Coordination
European Supplement SWM Slot Improvement Proposal Wanted Message
European Supplement SWIM System Wide Information Management
European Supplement SVS Synthetic Vision System
Sv Sievert
SUP Supplement (AIP Supplement)
European Supplement STTT Scheduled Turn-round Time
European Supplement STCA Short Term Conflict Alert
European Supplement STATFOR Statistics and Forecast Service (EUROCONTROL)
STAR Standard instrument arrival
European Supplement STANAG Standardization Agreement (NATO)
European Supplement STAM Short Term ATFCM Measures
STA Straight-in Approach
European Supplement SSRP Service Status Reporting Period
SSR Secondary surveillance radar
European Supplement SRM Slot Revision Message
European Supplement SRJ Slot Improvement Proposal Rejection message
SRE Surveillance radar element of precision
European Supplement SPR Safety and Performance Requirements
European Supplement SPO Single Person Operations
SPECI Aerodrome special meteorological report (in meteorological code)
European Supplement SPA Slot Improvement Proposal Acceptance message.
European Supplement SOP Standard Operational Procedures
European Supplement SOBT Scheduled Off-Block Time
SNOCLO Aerodrome closed due to snow (used in METAR/SPECI)
European Supplement SNI Simultaneous Non-Interfering
European Supplement SMT Shared Mission Trajectory
European Supplement SMM Slot Missed Message
European Supplement SMAN Surface Manager
European Supplement SLS SBAS Landing System
European Supplement SLC Slot Cancellation message
SLA Seaplane Landing Area
European Supplement SIT1 CFMU Slot Issue Time
European Supplement SIP Slot Improvement Proposal
SIGMET Information concerning en-route weather phenomena which may affect the safety of aircraft operations
SID Standard instrument departure
European Supplement SIBT Scheduled In-Block Time
SHF Super high frequency [3 000 to 30 000 MHz]
European Supplement SGV Surface Ground Vector
European Supplement SFP Selective Flight Protection
European Supplement SFL Supplementary Flight Level
European Supplement SESAR Single European Sky ATM Research
European Supplement SES Single European Sky
European Supplement SelH Selected Heading
SELCAL Selective Calling System
SEL Sound Exposure Level
SDF (i) Step down fix (ii) Simplified Directional Facility
European Supplement SBVR Semantics of Business Vocabulary and Rules
European Supplement SBT Shared Business Trajectory
SBAS Satellite-based augmentation system
SAR Search and Rescue
European Supplement SAM Slot Allocation Message
European Supplement SAL Slot Allocation List
European Supplement SAE Society of Automobile Engineers
S Siemens
European Supplement RWY Runway
European Supplement RWSL Runway Status Light
RVSM Reduced Vertical Separation Minimum
RVR Runway visual range
European Supplement RTSA Real-Time Status of Airspace
RTODAH Rejected take-off distance available (for helicopters)
European Supplement RTM Remote Tower Modules
European Supplement RTFM Regulated Tactical Flight Model
European Supplement RTCA Radio Technical Commission for Aeronautics
European Supplement RTA Required Time of Arrival
European Supplement RT Radio Telephony
European Supplement RSP Required Surveillance Performance
European Supplement RSMC Regional Specialized Meteorological Centre
RSA Runway safety area
European Supplement RRP Rerouting Proposal Message
RPL Repetitive flight plan
European Supplement RPAS Remotely Piloted Aircraft System
European Supplement ROT Runway Occupancy Time
European Supplement RNP AR APCH RNP Authorisation Required Approach
European Supplement RNP APCH RNP Approach
RNP Required Navigation Performance
RNAV Area navigation
European Supplement RMT Reference Mission Trajectory
European Supplement RJT Rerouting Rejection Message
European Supplement RIL Runway Intersection Lights
RIF Reclearance in flight
European Supplement RFL Requested Flight Level
European Supplement RFI Request for direct improvement message
European Supplement RF Radius to Fix
RESA Runway end safety area
European Supplement ReqMT Requested Mission Trajectory
European Supplement REL Runway Entrance Lights
European Supplement REA Ready (to depart) Message
European Supplement RD Regulated Demand
RCP Required Communications Performance
European Supplement RBT Reference Business Trajectory
European Supplement RAD Route Availability Document
RA Resolution Advisory
European Supplement R/T Radio Telephony
QNH Altimeter sub-scale setting to obtain elevation when on the ground
QFE Atmospheric pressure at aerodrome elevation (or at runway threshold)
European Supplement PWS Pair Wise Separation
European Supplement PTOT Provisional take-off time
European Supplement PTC Precision Trajectory Clearances
European Supplement PT Predicted Trajectory
PSR Primary surveillance radar
PRP Point-in-space reference point
European Supplement POAS Post Operations Analysis
European Supplement PO-ASAS Principles of Operation for the use of ASAS, FAA/EUROCONTROL
European Supplement PMS Point Merge System
PIREP Pilot Report
European Supplement PINS Point IN Space
European Supplement PinS Point In Space Approach
PIB Pre-flight information bulletin
European Supplement PDI Performance Driver Indicator
European Supplement PC Planning Controller
PBN Performance Based Navigation
PAX Passenger(s)
PAR Precision Approach Radar
PAPI Precision approach path indicator
PANS Procedures for air navigation services
PA Precision Approach
European Supplement P-RNAV Precision Area Navigation
European Supplement OTMV Occupancy Traffic Monitoring Value
OPMET Operational meteorological (information)
European Supplement OMG Object Management Group
OLDI On-line data interchange
European Supplement OISTEP Operational Improvement Step
European Supplement OGC Open Geospatial Consortium
OFZ Obstacle free zone
OFIS Operational Flight Information Service
European Supplement OFA Operational Focus Area
OCH Obstacle Clearance Height
OCA Obstacle Clearance Altitude
OBST Obstacle
European Supplement OATTS Operational Air Traffic Transit Service
European Supplement OATA Overall Target Architecture Activity
European Supplement OAT Operational Air Traffic
European Supplement OASIS Organization for the Advancement of Structured Information Standards
O Ohm
NTZ No transgression zone
European Supplement NRA Non radar airspace
European Supplement NPR Noise Preferential Routes
NPA Non-precision approach
NOZ Normal operating zone
NOTAM Notice to Airmen
European Supplement NOP Network Operations Plan
NOF International NOTAM Office
European Supplement NOAA National Oceanic and Atmospheric Administration
European Supplement NMF Network Management Function
NM Nautical miles
NDB Non-directional radio beacon
NAV Navigation
European Supplement NATO North Atlantic Treaty Organization
European Supplement NATMC NATO ATM Committee
NAT North Atlantic
European Supplement NAS National Airspace System Note - This is an FAA term.
European Supplement NAF NATO Architecture Framework
European Supplement missing data Number Above
N Newton
MWO Meteorological Watch Office
European Supplement MVPA Military Variable Profile Area
European Supplement MV Monitoring Value
European Supplement MTTT Minimum Turn-round Time
European Supplement MTOW Maximum Take-off Weight
European Supplement MTOS Mountain Obscuration
European Supplement MTF Medium Term Forecast
European Supplement MTCD Medium Term Conflict Detection
European Supplement MT Mission trajectory
MSSR Monopulse secondary surveillance radar
European Supplement MSPSR Multi-Static Primary Surveillance Radar
European Supplement MSP Multi Sector Planner/Planning
MSL Mean sea level
MSA Minimum Sector Altitude
MPS Metres per second
European Supplement MPRTT Most Penalising Regulation Target Time
European Supplement MPR Most Penalising Regulation
European Supplement MP Metering Point
MOPS Minimum Operational Performance Standards
MOCA Minimum obstacle clearance altitude
MNPS Minimum navigation performance specifications
MNM Minimum
MMS Mission Management System
MLS Microwave landing system
MKR Marker Radio Beacon
European Supplement MIT Miles In Trail
European Supplement MIP Merge Initiation Point
European Supplement MINIT Minutes In Trail
European Supplement MIDS Multifunctional Information Distribution System (Link 16). A military data link system.
MHZ Megahertz
European Supplement MF Metering Fix
METAR Aviation routine weather report (in aeronautical meteorological code)
MET REPORT Local routine meteorological report (in abbreviated plain language)
MET Meteorological or meteorology
MEA Minimum en-route altitude
European Supplement MDT Mission development trajectory
European Supplement MDIs Minimum Departure Intervals
European Supplement MDI Minimum Distance Interval
MDH Minimum descent height
MDCRS Meteorological Data Collection and Reporting System
MDA Minimum descent altitude
European Supplement MCDM Measure Collaborative Decision Making
European Supplement MCA Minimum Crossing Altitude
MAX Maximum
European Supplement MASPS Minimum Aviation System Performance Standards
MAPT Missed approach point
MAHF Missed approach holding fix
European Supplement MA Missed Approach
m Metre
LVP Low Visibility Procedures
European Supplement LVO Low Visibility Operations
LVL Level
European Supplement LVC Low Visibility Condition
LTP Landing threshold point
European Supplement LTO Landing Take-off
European Supplement LTM Local Traffic Management role
LPV Localizer Precision approach with Vertical guidance
LORAN long range air navigation system
lm Lumen
LLWS Low Level Wind Shear
European Supplement Lden Day Evening Night Level
LDAH Landing distance available (for helicopters)
LDA Landing Distance Available
European Supplement LAmax Maximum Value
L Litre
KW Kilowatts
KT Knot
European Supplement KPA Kilopascal Note � also means Key Performance Area in SESAR
KMH Kilometres per hour
KM Kilometres
KHZ Kilohertz
KG Kilogram
K Kelvin
European Supplement JAR Joint Aviation Requirements
J Joule
European Supplement ITP In Trail Procedure
European Supplement ITM In-Trail Merge
European Supplement ITF In-Trail Follow
European Supplement ISO/TS International Organization for Standardization/Technical Specification
European Supplement ISO International Organization for Standardization
European Supplement iSMT Initial Shared Mission Trajectory
European Supplement iSBT Initial Shared Business Trajectory
European Supplement iRMT Initial Reference Mission Trajectory
European Supplement iRBT Initial Reference Business Trajectory
European Supplement IPA Independent Parallel Approaches
European Supplement IOP Interoperability (between ground systems)
European Supplement INSPIRE Infrastructure for Spatial Information in the European Community
European Supplement INAP Integrated Network Management and extended ATC Planning Function
European Supplement IMP Initial Metering Point
IMC Instrument meteorological conditions
ILS Instrument landing system
European Supplement IGS Increased Glide Slope
IFR Instrument flight rules
IFPS Integrated Initial Flight Plan Processing System
European Supplement IFPL Initial Flight Plan
IF Intermediate Approach Fix
European Supplement IEC International Electrotechnical Commission
European Supplement IDF Initial Departure Fix
ID Identifier or identify
ICAO International Civil Aviation Organization
IATA International Air Transport Association
IAS Indicated airspeed
IAP Instrument Approach Procedure
IAF Initial Approach Fix
European Supplement I4D Initial 4D
HZ Hertz (cycle per second)
European Supplement HP Human Performance
European Supplement HMI Human Machine Interface
European Supplement HLAPB High Level Airspace Policy Body
HGT Height or height above
European Supplement HFDL High Frequency Data Link
HAPI Helicopter approach path indicator
European Supplement H24 Continuous day and night service
H Henry
H Orthometric Height
GUFI Globally Unique Flight Identifier
European Supplement GSSP Ground Station Status Reporting Period
European Supplement GS Ground Stop
GRIB Processed meteorological data in the form of grid point values expressed in binary form (aeronautical meteorological code)
GPS Global positioning system
GNSS Global navigation satellite system
European Supplement GLS GBAS Landing System
GLONASS Global orbiting navigation satellite system
European Supplement GDP Ground Delay Program
GBAS Ground-Based Augmentation System
European Supplement GAT General Aviation Traffic
GARP GBAS azimuth reference point
GANIS Global Air Navigation Industry Symposium
European Supplement GA/R General Aviation and Rotorcraft
GA General Aviation
European Supplement FUM Flight Update Message
European Supplement FUA Flexible Use of Airspace
FTP Fictitious threshold point
European Supplement FTFM Filed Tactical Flight Model
ft Feet (dimensional unit)
European Supplement FSF Flight Safety Foundation
European Supplement FRT Fixed Radius Transition
European Supplement FRDS Flight Related Data Set
European Supplement FRA Free Route Airspace
FPL Filed Flight Plan
FPAP Flight path alignment point
European Supplement FOIPS Flight Object Interoperability Proposed Standard
European Supplement FOC Flight Operational Control / Flight Operations Centre
European Supplement FO Flight Object
FMS Flight management system
FMP Flow Management Position
European Supplement FL Flight Level
European Supplement FIXM Flight Information Exchange Model
FIS Flight information service
FIR Flight information region
FIC Flight Information Centre
FF-ICE Flight and Flow Information for a Collaborative Environment
FDPS Flight data processing system
European Supplement FDA Fleet Delay Assignment
FATO Final approach and take-off area
European Supplement FAP Final Approach Point
FANS Future Air Navigation System
FAF Final approach fix
FAC Facilities
European Supplement FABEC Functional Airspace Block Europe Central
European Supplement FAB Functional Airspace Block
European Supplement FAA Federal Aviation Administration
F Farad
European Supplement EXOT Estimated Taxi-Out Time
European Supplement EXOP Estimated Outbound Taxi Time
European Supplement EXIT Estimated Taxi-In Time
European Supplement EUROCAE European Organization for Civil Aviation Equipment
European Supplement EUACA European Airport Coordinators Association
European Supplement EU European Union
European Supplement ETTT Estimated Turn-round Time
ETOT Estimated Take-Off Time
European Supplement ETOM The time at which it is estimated that the flight will pass the Metering Fix.
European Supplement eTOD Electronic Terrain and Obstacle Database
ETO Estimated time over e.g. significant point
European Supplement ETMA Extended Terminal Manoeuvring Area
ETD Estimated time of departure or estimating departure
ETA Estimated time of arrival or estimating arrival
European Supplement ET Estimated Time
European Supplement ESWP Expected Stand Waiting Period
European Supplement ERZT Estimated Ready for De-icing Time
European Supplement ERWP Expected Runway Waiting Period
European Supplement ERBP Expected Runway Delay Buffer
EPR Engine pressure ratio
European Supplement EPP Extended Projected Profile
EOBT Estimated off-block time
European Supplement EOBD Estimated Off Block Date
European Supplement ENV Environment
European Supplement EMAN En-route Manager
ELT Emergency Locator Transmitter
ELEV Elevation
ELDT Estimated Landing Time
EIBT Estimated In-Block Time
European Supplement EFPL Extended Flight Plan
European Supplement EEZT Estimated End of De-icing Time
EET Estimated Elapsed Time
European Supplement EDR Eddy dissipation rate
European Supplement EDIT Estimated De-icing Time
European Supplement ED EUROCAE Document
European Supplement ECZT Estimated Commencement of De-icing Time
European Supplement ECAC European Civil Aviation Conference
European Supplement EC European Community
European Supplement EATMN European air traffic management network
European Supplement EASA European Aviation Safety Agency
European Supplement EAP Extended ATC Planner
eAIP Electronic AIP
European Supplement E-UUP European Updated Airspace Use Plan
European Supplement E-DPI Early Departure Planning Information
European Supplement E-AUP European Airspace Use Plan
European Supplement E-AMAN E-AMAN Extended Arrival Manager
DVOR Doppler VOR
DSLT Airport Departure Slot
European Supplement DROT Departure runway occupancy time
European Supplement DPI Departure Planning Information
European Supplement DOD Detailed Operational Description
European Supplement DMEAN Dynamic Management of the European Airspace Network
DME Distance measuring equipment
European Supplement DMAN Departure Manager
European Supplement DMA3 Dynamic Mobile Area Type 3
European Supplement DMA2 Dynamic Mobile Area Type 2
European Supplement DMA1 Dynamic Mobile Area Type 1
European Supplement DMA Dynamic Mobile Area
DLIC Data link initiation capability
DIC Diplomatic Clearance
DH Decision Height
European Supplement DGIWG Digital/Defense Geospatial Information Working Group
European Supplement DES De-Suspension Message
European Supplement dDCB Dynamic Demand and Capacity Balancing
DCT Direct (in relation to flight-plan clearances and type of approach)
DCP Datum Crossing Point
European Supplement DCN Diplomatic Clearance Number
European Supplement DCB Demand and Capacity Balancing
European Supplement DAP Down-linked Aircraft Parameters
European Supplement DAC Dynamic Airspace Configuration
DA Decision Altitude
European Supplement D-TAXI Taxi services via data link
European Supplement D-RVR Datalink Runway Visual Range Service
European Supplement D-OTIS Data Link Operational Terminal Information Service
European Supplement D-HZWX Datalink Hazardous Weather Service
D-ATIS Data link automatic terminal information service
European Supplement CWP Controller Working Position
European Supplement CTR Control zone
European Supplement CTOT Calculated take-off time
European Supplement CTOM The CTO constraint applied to the event of passing the Metering Fix.
European Supplement CTO Controlled Time Over
European Supplement CTFM Current Tactical Flight Model
CTA Control Area
European Supplement CSAR Combat Search and Rescue
European Supplement CRS Closer Routes Spacing
CPL Current flight plan (message type designator)
CPDLC Controller-pilot data link communications
European Supplement CORA Conflict Resolution Assistant
COP Change-over point
European Supplement COP Coordination point
European Supplement CONOPS Concept of Operations
European Supplement COMAO Composite Air Operation
COM Communications
European Supplement CO2 Carbon Dioxide
CNS Communications, navigation and surveillance
CFMU Central Flow Management Unit
European Supplement CFIT Controlled Flight Into Terrain
CDTI Cockpit Display of Traffic Information
European Supplement CDR Conditional Route
European Supplement CDR Conflict detection and resolution
CDO Continuous Descent Operations (defined by ICAO)
European Supplement CDM Collaborative Decision Making
CDL Configuration Deviation List
European Supplement CDA Continuous Descent Approach
cd Candela
European Supplement CCO Continuous Climb Operations
European Supplement CCFP Collaborative Convective Forecast Product
European Supplement CCD Continuous Climb Departure
European Supplement CBO Cross Border Operations
European Supplement CBA Cross Border Area
European Supplement CAVS CDTI Assisted Visual Separation
CAVOK Visibility, cloud and present weather better than prescribed values or conditions (Ceiling and visibility OK).
CAT Category
CAS Calibrated Airspeed
European Supplement CAPP CDTI Assisted Pilot Procedure
European Supplement CADF Centralised Airspace Data Function
European Supplement C-DPI Cancel Departure Planning Information
C Coulomb
C Degrees Celsius (Centigrade)
European Supplement BT Business trajectory
Bq Becquerel
European Supplement BDT Business development trajectory
European Supplement BADA Base of Aircraft Data
European Supplement B2B Business to Business
European Supplement AXOT Actual Taxi-Out Time
European Supplement AXIT Actual Taxi-In Time
AWY Airway
European Supplement AWACS Airborne Warning and Control System
AW Aerial Work
European Supplement AUP Airspace Use Plan
European Supplement AU Airspace User
ATZ Aerodrome Traffic Zone
European Supplement ATV Airport Transit View
European Supplement ATTT Actual Turn-round Time
ATSU ATS unit
European Supplement ATSAW Airborne Traffic Situational Awareness
European Supplement ATSA�VSA Airborne Traffic Situational Awareness � Enhanced Visual Separation on Approach
European Supplement ATSA-SURF Airborne Traffic Situational Awareness � Surface
European Supplement ATSA-ITP Airborne Traffic Situational Awareness - In-Trail Procedure
ATS Air traffic services
European Supplement ATOT Actual Take-Off Time
European Supplement ATOM The time at which the flight actually overflies the Metering Fix.
European Supplement ATOIM The time at which the flight passes the Metering Fix.
ATN Aeronautical Telecommunications Network
ATM Air traffic management
ATIS Automatic terminal information service
ATFM Air traffic flow management
European Supplement ATFCM Air Traffic Flow and Capacity Management
European Supplement ATCOP AMAN Planned time at coordination point.
ATCO Air traffic controller
ATC Air traffic control (in general)
European Supplement ASTERIX All Purpose STructured Eurocontrol SuRveillance Information Exchange
European Supplement ASRT Actual Start Up Request Time
European Supplement ASRN Aerodrome Surface Routing Network
European Supplement ASR Airport surveillance radar
European Supplement ASPA-IM-SM Airborne Spacing - Interval Management-Sequencing & Merging
European Supplement ASPA SM Airborne Spacing Sequencing and Merging
European Supplement ASPA Airborne Spacing
ASM Airspace Management
ASLT Airport Arrival Slot
European Supplement ASEP Airborne Separation
ASDA Accelerate-stop distance available
ASBU Aviation Service Block Upgrade (ICAO)
European Supplement ASBT Actual Start Boarding Time
European Supplement ASAT Actual Start Up Approval Time
European Supplement ASAS-SM ASAS Sequencing and Merging
European Supplement ASAS Airborne Separation Assistance Systems
European Supplement ARZT Actual Ready for De-icing Time
European Supplement ARSR Air Route Surveillance Radar
ARP Aerodrome Reference Point
European Supplement AROT Arrival runway occupancy time
European Supplement ARN ATS Routes Network
European Supplement ARES Airspace Reservation or Airspace Restriction
European Supplement ARDT Actual Ready Time (for Movement)
European Supplement ARAP multiple runway aiming points
European Supplement APW Area proximity warning
APV Approach procedure with vertical guidance
European Supplement APU Auxiliary Power Unit
European Supplement APTT AMAN Planned Threshold Time
European Supplement APTOM AMAN Planned Time Over Metering Fix
APP Approach Control
European Supplement APOP Airport Operator
European Supplement APOC Airport Operations Centre
European Supplement APCH Approach
European Supplement APAMS the Airport Performance Assessment Monitoring System
European Supplement AOR Area of Responsibility
European Supplement AOP Airport Operations Plan
European Supplement AoI Area of Interest
European Supplement AOCC Airlines Operations and Control Centre
AOC Air Operator Certificate
European Supplement AOBT Actual Off-Block Time
European Supplement AO Aircraft operator
ANSP Air Navigation Services Provider
European Supplement ANP Aircraft Noise Performance
European Supplement ANM ATFCM Notification Message
AMSL Above mean sea level
AMS Aeronautical Mobile Services
AMDT Amendment (AIP Amendment)
European Supplement AMDB Aerodrome Mapping Database
European Supplement AMDAR Aircraft Meteorological Data Relay
European Supplement AMD Aerodrome Mapping Data
European Supplement AMC Airspace Management Cell
European Supplement AMAN Arrival Manager
ALT Altitude
European Supplement ALDT Actual Landing Time
AIXM Aeronautical Information Exchange Model
AIS Aeronautical information services
AIRMET Information concerning en-route weather phenomena which may affect the safety of low-level aircraft operations
European Supplement AIRM ATM Information Reference Model
AIREP Air-report
AIRAC Aeronautical information regulation and control
AIP Aeronautical information publication
European Supplement AIM ATFCM Information Message
European Supplement AIHWG Aeronautical Information Harmonization Working Group
European Supplement AIFDD Aeronautical Information Feature Data Dictionary
AIC Aeronautical information circular
European Supplement AIBT Actual In-Block Time
AGL Above ground level
European Supplement AGHT Actual Ground Handling Time
European Supplement AFUA Advanced Flexible Use of Airspace
AFTN Aeronautical fixed telecommunication network
European Supplement AFISO Aerodrome Flight Information Officer
AFIS Aerodrome Flight Information Service
AFIL Flight plan filed in the air
European Supplement AEZT Actual End of De-icing Time
European Supplement AEW Airborne Early Warning
European Supplement AEGT Actual End of Ground handling Time
European Supplement ADST Departure Airport Slot Time
European Supplement ADS-C EPP ADS-C Extended Projected Profile
ADS-C Automatic Dependant Surveillance - Contract
ADS-B Automatic Dependant Surveillance - Broadcast
ADS Automatic dependent surveillance
European Supplement ADR Airspace Data Repository
European Supplement ADQ Aeronautical Data and Information Quality (ADQ) mandate
European Supplement ADP ATFM Daily Plan
European Supplement ADIT Actual De-icing Time
ADES Aerodrome of Destination
ADEP Aerodrome of Departure
European Supplement ADD Aircraft Derived Data
European Supplement ACZT Actual Commencement of De-icing Time
European Supplement ACWP Advanced Controller Working Position
ACK Acknowledge
European Supplement ACGT Actual Commence of Ground Handling Time
ACC Area control center or area control
ACAS Airborne collision avoidance system
ACARS Aircraft communication addressing and reporting system
European Supplement ABAS Aircraft-based augmentation system
European Supplement AAST Airport Arrival Slot Time
A-SMGCS Advanced Surface Movement Guidance and Control System
European Supplement A-RNP Advanced RNP
European Supplement A-ICWP Advanced-Integrated Controller Working Position
European Supplement A-DPI ATC (Air Traffic Control) Departure Planning Information
European Supplement A-DCB Airport Demand-Capacity Balancing
European Supplement A-CDO Advanced Continuous Descent Operations
European Supplement A-CDM Airport Collaborative Decision Making
European Supplement A-CDA Advanced Continuous Descent Approach
European Supplement A-CCO Advanced Continuous Climb Operations
European Supplement A-CCD Advanced Continuous Climb Departure
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