VMO - Maximum Operating Speed (airspeed) 740 KIAS (primary display) MMO - Maximum Operating Speed (Mach) 2.10 Mach (autopilot disengaged) 1.25 Mach (autopilot engaged) VA - Maneuvering Speed 27,500 lbs. 250 KIAS (sea level) 325 KIAS (20,000') 400 KIAS (40,000') 33,239 lbs. 300 KIAS (sea level) 360 KIAS (20,000') 450 KIAS (40,000') VLO - Maximum Gear Operating Speed 260 KIAS VLE - Maximum Landing Gear Extension Speed 325 KIAS V1 - Takeoff Decision Speed (dry runway; standard temperature) 125 KIAS (for all conditions, with anti-skid off) VR - Rotation Speed (dry runway; standard temperature) Sea Level 135 KIAS (27,500 lbs) 145 KIAS ( 33,239 lbs) 5,000' 140 KIAS (27,500 lbs) 155 KIAS ( 33,239 lbs) V2 - Takeoff Safety Speed (dry runway, standard temperature) Sea Level 140 KIAS (27,500 lbs) 150 KIAS (33,239 lbs) 5,000' 145 KIAS (27,500 lbs) 155 KIAS ( 33,239 lbs) VREF - Landing Approach Speed (full flaps; gear down) 140 KIAS (27,500 lbs) 150 KIAS (33,239 lbs)