GLOSSARY
AC Aircraft
ADS-B Automatic Dependent Surveillance - Broadcast
ASAS Airborne Separation Assurance System
ATC Air Traffic Control
ATCo Air Traffic Controller
ATM Air Traffic Management
BFD Baseline FreeFlight Display
CDTI Cockpit Display of Traffic Information
CF Controlled Flight (an experimental condition)
CNS Communication, Navigation and Surveillance
EFR Extended Flight Rules
EVOR Extended VFR Operating Rules
FDB Flight Data Block
FF Free Flight
FFI Free Flight with information sharing (experimental condition)
FFN Free Flight with no information sharing (experimental condition)
FL Flight Level
ICAO International Civil Aviation Organisation
MTCA Medium Term Conflict Alert
NARSIM NLR ATC Research Simulator
NLR National Aerospace Laboratory of the Netherlands
PVD Plan View Display
RSME Rating Scale for Mental Effort
SSR Secondary Surveillance Radar
STCA Short Term Conflict Alert
SUA Special Use Airspace
TCAS Traffic Collision Avoidance System
TCP Trajectory Change Point
TLX Task Load Index
VFR Visual Flight Rules
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