mize the wear and teat on tires and brakes. 
‘The drag parachute can provide a large retatd- 
ing force at high 4 and greatly increase the de- 
celeration during the initial phase of landing 
toll. It should be noted that the contribution 
of the drag chute is important only during the 
high speed portion of the landing roll. For 
maximum effectiveness, the drag chute must be 
deployed immediately after the airplane is in 
contact with the runway. Reverse thrust of 
195 
Revised January 1965