text: turboprop, gas turbine-propeller combination. ... 
  turbulence.................................332, 
  turning performance. ......................... 
  turn rate, turn radius. ........................ 
  unsymmetrical power, see asymmetrical power. 
  viscosity. ................................... 
  V-n or V-g diagram. ......................... 
  vortex system. ............................... 
  
  4 
  334 
  63 
  64 
  64  line or bound vortex. ....................... 
  tip or trailing vortex. ...................... 
  w&r  injection 
  
  reciprocating engine. ....................... 
  turbojetengine ............................. 
  
  144 
  131 
  , 215 
  168 
  367 
  291 
  284 
  284  wavedrag................................. 
  wind, effect on range. ........................ 
  windshear ................................. 
  yaw,adverse ................................ 
  yawangle ................................... 
  YPWm”me”t ................................ 