ACC Area Control Centre
AGAS High Level European Action Group for ATM Safety
ATM Air Traffic Management
EATMP European Air Traffic Management Programme
EEC EUROCONTROL Experimental Centre
ERIS EATMP Reference Industry-based Simulation Platform
ES Extended Squitter
ESCAPE EUROCONTROL Simulation Capability And Platform for Experimentation
IANS Institute of Air Navigation Services (Luxembourg)
MFF Mediterranean Free Flight
PROVE Pre-operational Validation and Experimental Trials Platform
TIS-B Traffic Information Service - Broadcast
UAC Upper Area Control (Centre)
VDL VHF Data Link
VHF Very High Frequency

A more extensive glossary can be found at