Abbreviations: ALT = Altitude ARPT = Airport ARR = Arrival CLB = Climb CRZ = Cruise CTRL = Control DEP = Departure DES = Descent DIR = Direct DIST = Distance DSP = Display GEO = Geographic HDG = Heading HLD = Hold IDS = Identifications MAG = Magnetic NAV = Navigation OVR = Overflight RT = Route SEL = Select SPC = Spacing SPD = Speed TGT = Target THR = Thrust TRANS = Transition TRFC = Traffic TRK = Track WYPT = Waypoint WXR = Weather

Acronyms: AC (A/C) = Aircraft AOC = Airline Operations Center ARTCC = Air Route Traffic Control Center ATC = Air Traffic Control BOC = Bottom of Climb BOD = Bottom of Descent CAS = Calibrated Air Speed CRP = Crossing Restriction Panel DFW = Dallas - Fort Worth International Airport DSR = Display System Replacement FF = Free Flight FLCH = Flight Level Change FMS = Flight Management System GS = Ground Speed HCP = Hold Control Panel ILS = Instrument Landing System LNAV = Lateral Navigation M = Mach MACS = Multi Aircraft Control System MCP = Mode Control Panel MH = Magnetic Heading NAS = National Airspace System PAS = Pseudo Aircraft Systems PFD = Primary Flight Display SSP = Self Spacing Panel STARS = Standard Terminal Arrival Route TAS = Target Air Speed TOC = Top of Climb TOD = Top of Descent TRACON = Terminal Radar Approach Control VNAV = Vertical Navigation VOR = VHF Omnidirectional Range ZFW = Fort Worth Center airspace