EUROCONTROL AIRIAL

1 W AIRIAL w EUROCONTROL air navigation Inter-site Acronym List w w w AIRIAL lists abbreviations and acronyms used in EUROCONTROL documents and PDF version is generated automatically from the AIRIAL online database (hyperlink) asregularly User input is an important part of the AIRIAL system. Should you have any feedback (newacronyms for inclusion in the list or proposals for corrections or amendments), please use the 'AddNew' function available on the AIRIAL webpage, or contact us at w The AIRIAL Editorial BoardblancDenis Deramaut (Central Flow Management Unit)Robin Deransy ( EUROCONTROL Experimental Centre)Angela Friesen (Directorate Resources)Michel Nicolay (Maastricht Upper Area Control Centre) Rik Simoens ( EUROCONTROL Institute of air navigation Services)Lut Stessens (Maastricht Upper Area Control Centre) Mark Whitely (Corporate Network Design) blancStephen Fairhurst ( AIRIAL Project Manager)w w w w Browsing of the material available on the EUROCONTROL site (including the copying of suchmaterial in RAM or other temporary forms of storage necessary to facilitate such browsing) isauthorised.

2 Reproduction is authorised for personal use only provided the source is other uses are prohibited. w Information on air navigation and air traffic control does not engage the responsibility of theEuropean Organisation for the Safety of air navigation . While our goal is to keep this informationtimely and accurate, we cannot guarantee either. If errors are brought to our attention, we willendeavour to correct 2 EUROCONTROL AIRIALA cronym list Acronym Full form 2-D Two Dimensional 2B1Q 2 Binary 1 Quaternary 2W 2wire 3-D 3-Dimensional 3A Mode 3 or Mode A (Classical SSR Reports) 3A/C Mode 3A and Mode C Classical SSR 3D three dimensional 4-MAST 4-MAST Group 4B3T 4 Binary 3 Ternary 4D four dimensional 4D-CARMA 4 Dimensional Cooperative Arrival Manager 4D-NAV 4-D (four dimensional) navigation 4GL Fourth Generation Language 4W 4wire 5 GSO Group of Senior Officials - Four States and Maastricht UAC ANSPs (5 GSO)

3 5 LNC unique five-letter pronounceable "name-code" 5Nm 5 Nautical Miles 5ST-RSG Five-States Route Structure Group 5YP 5 Year Plan CP Contact Person PMC Programme Management Cell State A State initially implementing kHz channel spacing 96 RIF Radio Interface @PEOC Pan European Outsourcing Consortium (now replaced by @HELIOS) _ (rho) Symbol for Range A ampere A Austria A Analysis (SASS-C) A-AMGCS Advanced Air Movement Guidance and Control System A-CDM Airport Collaborative Decision Making (Prise de d cision en collaboration aux a roports) Page 3 EUROCONTROL AIRIAL Acronym Full form A-CLDL Acknowledged Connectionless Data Link A-DPI Airport-Departure Planning Information A-DPI ATC - DPI A-ENPRM Advanced - EUROCONTROL Notice of Proposed Rule-Making (Avis de proposition de r glementationd' EUROCONTROL - Pr liminaire) A-G Air to Ground A-iCWP Advanced integrated Tower Controller Working Position A-law PCM companding algorithm used in Europe A-QPSK Aviation Quadrature Phase Shift Keying A-RNP 1 Advanced-RNP 1 A-S Anti-Spoofing Mode A-S Anti-Spoofing A-SMGCS Advanced Surface Movement Guidance and Control System (Syst me avanc de guidage et de contr le desmouvements en surface) Anti Meridiem A/A Air-Air A/A Air to Air A/A Air/Air A/C Aircraft A/C Aircraft Call A/C Alpha/Charlie A/C/S Alpha / Charlie / Select A/D Analogue to Digital (converter)

4 A/G Air to Ground A/G Air-Ground A/G Air/Ground A/GCS Air/Ground Communications Sublayer A/I Accident(s)/Incident(s) A/L Auto Land a/m Above-mentioned A/N Affirm/Negative (CPDLC Response Value) A/P Autopilot A/T Auto throttle A/V Aircraft/Vehicle A300 Network Identity of the Frankfurt AFTN switching centre (now=DAKOS) Page 4 EUROCONTROL AIRIAL Acronym Full form A319 Airbus 319 Aircraft A320 Airbus 320 Aircraft AA Autonomous Aircraft AA Approved Agencies (Agencies authorised to bid for TSAs) AA Active AA Approved Agency AA Address Announced AA Aircraft Address AAA Advanced ATC System Amsterdam / Contr le r gional avanc d'Amsterdam AAA Advanced Airborne Applications (6th FP Integrated Project) AAA AIP Audit Assistant AAAV Azienda Autonoma di Assistenza al Volo AAAVTAG Azienda Autonoma Assistenza al Volo per il Traffico Aereo Generale (IT)

5 AAB AIM Advisory Board AAB Agency Advisory Body AABI Aviation Accreditation Board International AAC Airline Administrative Control AAC Airline Administrative Communication AAC Alpha Attenuation Coefficient AAC Aeronautical Administrative Communication AACE Airfield Approach Control Element AACI Airports Association Council International AACO Arab Air Carriers Organisation AAD Assigned Altitude Deviation AADP ATC Advanced Data Processing AAF ATM Added Functions AAF Advanced Added Functions AAF Auxiliary Airfield AAFCE Allied Air Forces Central Europe AAFG ATM Added Functionality Sub-Group AAFT ATM Added Functionality Sub-Group AAG AIS Automation Group AAG AIS Automation Group (Groupe de travail sur l'automatisation de l'AIS) (EANPG) AAGDI Automated Air/Ground Data Interchange Page 5 EUROCONTROL AIRIAL Acronym Full form AAH Autonomous Aircraft Hybrid AAI Average Arrival Interval AAI Airports Authority of India AAIB Air Accidents Investigation Branch (AAIB) AAIM Aircraft Autonomous Integrity Monitoring AAIS Automated AIS AAIU Air Accident Investigation Unit AAL ATM Adaptation Layer AAL Above Aerodrome Level AALS Advanced Approach and Landing System AAM Airline Administration Message AAM Airport Airside Model (Airport Airside Management High-Level Model) (Mod le de haut niveau de gestion desa roports c t piste) AAMS Airport Airside Management Systems (Syst me de gestion des a roports c t piste) AAMS Advanced Airspace Management System AAP Advanced Automation Program (US)

6 AAR Airport Acceptance Rate or Airport Arrival Rate AAR Air-to-Air Refuelling AAS Advanced Automation System (USA) AAS Airborne Approach Spacing AAS Advanced Airspace Scheme (Sch ma volu de l'espace a rien) AAS Aerodrome Advisory Service AASI Aeronautical Applications Service Interface AASR Airways and Airport Surveillance Radar AAT Active Aircraft Table AAT Assigned Arrival Time AAT Alpha Attenuation Test AATMS Advanced Air Traffic Management System AATOT Anticipated Actual Take-Off Time AATT Advanced Air Transportation Technologies AAUI Aeronautical Applications User Interface AB Airblock AB Action Button (Mouse / Trackball) AB Audit Board Page 6 EUROCONTROL AIRIAL Acronym Full form AB TF Audit Board Task Force / quipe sp ciale "Mission d'audit" ABAS Aircraft-Based Augmentation System (EGNOS) - syst me de renforcement embarqu ABB Activity-Based Budget ABC ATC Bypass Complex (MADAP) ABC Advanced Booking Charter ABCD Aircraft-Based Concept Development ABD Agency Board of the Directors ABEND ABnormal END (of system operation) ABFG ATM Basic Functionality Sub-Group (Sous-groupe "Fonctions ATM de base") ABI Advance Boundary Information (OLDI message) ABI Advance Boundary Information (Message Type Designator) ABM ABeaM ABM Asynchronous Balanced Mode ABN Aerodrome BeacoN ABO Accrued Benefits Obligation ABPSK Aviation Binary Phase Shift Keying ABPWG ANSB Business Planning Working Group (Groupe de travail de l'ANSB sur la planification strat gique)

7 ABR Available Bit Rate ABRD Automatic Baud Rate Detection ABT ABouT AC Assistant Controller AC Aircraft Characteristics (aircraft type + performance, ENV entity type, used in all CHMI) AC Association Control AC Altitude Code (field) AC Aircraft AC Access Control AC Attack Computer (Eurofighter) AC Airworthiness codes AC Assessment Centre AC Aircraft Commander AC All-Call AC Advisory Circular AC Alternating Current AC Alto Cumulus Page 7 EUROCONTROL AIRIAL Acronym Full form AC/NAC AirCraft, Non-AirCraft (ARTAS) ACA Air Traffic Centre Architecture (RADNET) ACA Airspace Control Activity ACA Alternate Controller Attachment (feature) ACA AUP / UUP Message Composition Application ACA Airport Coordinators Association ACA AUP/UUP Compilation Application (Software) ACA Airport Carbon Accreditation ACA Address Compression Algorithm ACA ATC Centre Communication Architecture ACAC Arab Civil Aviation Commission (Commission arabe de l'aviation civile) ACAC African Aviation Commission Acad Academic establishments ACAD Auto Computer Aided Design (Operator-Input + Display System) ACAF ATM Common Assessment Framework ACAG Airspace Coordination Agencies ACAM Airport Capacity Airside Modelling ACAM Airport Capacity Modelling Task Force ACAP Airport capacity and runway utilisation (Exploitation de la capacit des a roports et utilisation des pistes) ACARE Advisory Council for Aeronautics Research in Europe (Conseil consultatif pour la recherche a ronautique enEurope) ACARS Aircraft Communications, Addressing and Reporting System (Syst me embarqu de communications,d'adressage et de compte rendu)

8 ACAS Airborne Collision Avoidance System (Syst me anticollision embarqu ) ACAS I Aircraft Collision Avoidance System Version 1 ACAS II Aircraft Collision Avoidance System Version 2 ACAS III Aircraft Collision Avoidance System Version 3 ACAS RA ACAS Resolution Advisory (Avis de r solution ACAS) ACASA ACAS Analysis (Analyse ACAS) ACATF ATC Centre Communications Architecture Task Force ACB Address Check Boundary ACC Group of Experts on Accident Investigation (ICAO) ACC ACCeptance phase ACC Approach Control Centre (Centre de contr le d'approche) ACC Area Control Centre / Centre de Contr le R gional (=CCR) Page 8 EUROCONTROL AIRIAL Acronym Full form ACC Area Control Centre or Area Control ACC Controller Area Controller ACC Loop Anticipation-Action-Comparison Loop ACC-PC ACC Planning Controller ACC-TC ACC Tactical Controller ACCA Air Charter Carriers Association ACCATF Equipe sp ciale 'Architecture des communications des centres ATC' ACCB AIXM Change Control Board (Comit de suivi des modifications de l'AIXM) ACCD Advanced Continuous Climb Departure ACCEL Accelerate ACCES ACC assessing capacity method ACCESS Aircraft Control Console for Experiments and Simulations Studies ACCID notification of aircraft ACCIDent ACCS Air Command and Control System (NATO)

9 ACDA Advanced Continuous Descent Approach ACDB Agency Contact Data Base ACDMD Air Collaborative Decision Making Demonstrator ACE Atm Cost-Effectiveness ACE ATM Cooperation and Coordination in South Eastern Europe (Coop ration et coordination ATM dans le Sud-Est de l'Europe) ACE Altimeter Control Equipment ACE Angiotensin Converting Enzyme ACE Allied Command Europe ACE ATC Communications Environment ACE Airport Airside Capacity Enhancement (Am lioration de la capacit a roportuaire c t piste) ACE Association des Compagnies A riennes de la Communaut Europ enne ACE ATM/CNS Systems Enginnering (EEC) ACE AVENUE-Compliant ESCAPE ACE WG ATM Cost-Effectiveness Working Group (Groupe de travail sur l'efficacit conomique de l'ATM) ACELP Adaptative Code Excited Linear Prediction ACF Airline Consultation Forum (Forum de consultation des compagnies a riennes) ACF Advanced Communications Function ACF Avion de Combat Futur (FR) ACF ACARS Convergence Function Page 9 EUROCONTROL AIRIAL Acronym Full form ACF Area Control Facility.

10 See ACC or ARTCC ACFT Aircraft ACFT ID Aircraft Identifier ACG Austro Control GmbH ACG Advanced ATS Concept Group ACG ATS System Concept Working Group ACG ATM/CNS Consultancy Group (Groupe consultatif ATM/CNS) ACG Atm/cns Consultation Group ACG Ats Concept working Group ACG ATM/CNS Consultation Group / Groupe consultatif ATM/CNS ACH ATC Flight Plan Change (Modification de plan de vol ATC) (IFPS) ACI Airports Council International (Conseil international des a roports) ACI Area of Common Interest (SYSCO) ACI Adjacent Channel Interference ACI-NA Airports Council International - North America ACID Aircraft Identification (ICAO) ACID IR aircraft identification implementing rule ACIG ATM Content Integration Group ACISP Airport CDM Information Sharing Platform ACJ Advisory Circular Joint ACK Acknowledgement message (Message d'accus de r ception) ACL ATM Capability Levels ACL Access Control Lists ACL Altimeter Check Location ACL Atc CLearances & instructions ACL Aeronautical Clearances Service ACL ATC Clearances ACL Airport Coordination Limited ACLA Harmonisation of Airspace Classification in the Lower Airspace ACLR Access Control Logging & Reporting ACM Asset Change Management ACM Airspace Control Measures ACM Acceptance of (Radar) Coordination Message ACM ATC Microphone Check Page 10 EUROCONTROL AIRIAL Acronym Full form ACM Airspace Configuration Management (N-FDPS) ACM ATC C