text: OPERATION OF HIGH LIFT DEVICES. 
  The management of the high lift devices on an 
  airplane is an important factor in flying opera- 
  tions. The devices which are actuated auto- 
  matically-such as automatic slats and slots- 
  are usually of little concern and cause little 
  complication since relatively small changes in 
  drag and pitching moments take place. How- 
  ever, the flaps must be properly managed by 
  to take advantage of the capability 
  the pilot 