VMAX Flight Systems 747-200 REFERENCE INFORMATION

For detailed performance information, see the Aircraft Operations Manual.



VMO - Maximum Operating Speed - 523 KIAS (TAS)
           

MMO - Maximum Operating Speed - .92M (Mach)
            

Vlo - Maximum Landing Gear Retraction Speed - 270 KIAS/.82 Mach
           

Vlo - Maximum Landing Gear Extension Speed - 270 KIAS/.82 Mach
          

Vle - Maximum Landing Gear Extended Speed - 320 KIAS/.82 Mach
          

Maximum Flap (Placard) Speeds
       Flaps   KIAS
	1	275 
	5	255
	10	238
	20	231
	25	205
	30	180

V1 - Takeoff Commit Speed
        Standard temperature, sea-level pressure altitude
              168 KIAS (840,000 lbs, flaps 10)
        Standard temperature, sea-level pressure altitude
              161 KIAS (840,000 lbs, flaps 20)
        Standard temperature, 5,000' pressure altitude
              169 KIAS (840,000 lbs, flaps 10)
        Standard temperature, 5,000' pressure altitude
              161 KIAS (880,000 lbs, flaps 20)

VR - Rotation Speed (dry runway)
        Standard temperature, sea level pressure altitude
              179 KIAS (840,000 lbs, flaps 10)
        Standard temperature, sea level pressure altitude
              172 KIAS (840,000 lbs, flaps 20)
        Standard temperature, 5,000' pressure altitude
              181 KIAS (840,000 lbs, flaps 10)
        Standard temperature, 5,000' pressure altitude
              173 KIAS (840,000 lbs, flaps 20)

V2 - Minimum Climb Speed
        Standard temperature, sea level pressure altitude
              189 KIAS (840,000 lbs, flaps 10)
        Standard temperature, sea level pressure altitude
              181 KIAS (840,000 lbs, flaps 20)
        Standard temperature, 5,000' pressure altitude
              189 KIAS (840,000 lbs, flaps 10)
        Standard temperature, 5,000' pressure altitude
              181 KIAS (840,000 lbs, flaps 20)

VREF - Landing Approach Speed
             175 KIAS (800,000 lbs, flaps 30; gear down)
             125 KIAS (450,000 lbs, flaps 30; gear down)

NOTE:  For explanations of speeds used on this tab, see the Aircraft Operations Manual.