AFS autoflight system AGL above ground level (radar altitude) CG center of gravity, percent of mean aerodynamic chord (fig. 1) EPR engine pressure ratio FADEC full-authority digital engine control FCC flight control computer FCP flight control panel on cockpit glareshield FDS flight deck simulator FPA flightpath angle G/S glideslope (longitudinal part of ILS command) GW gross weight, lb HDG heading (magnetic direction that the airplane points toward) IAS indicated airspeed, knots IFR instrument flight rules ILS instrument-landing system LOC localizer (lateral part of ILS command) LSAS longitudinal stability augmentation system MCDU multifunction control and display unit MDA McDonnell Douglas Aerospace (St. Louis, Missouri) ND navigation display PCA propulsion-controlled aircraft PFD primary flight display TOGA takeoff–go-around
" P& ^; a, e' |" X3 hTRK track angle (magnetic heading of ground track) V/S vertical speed VFR visual flight rules |