US PATENT SUBCLASS 244 / 182
.~.~.~.~ By change in speed

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
76 R  DF  .~ Automatic {10}
175  DF  .~.~ Electric course control {10}
180  DF  .~.~.~ By change in altitude {2}
182.~.~.~.~ By change in speed

DEFINITION

Classification: 244/182

(under subclass 180) System wherein the height is governed by altering the forward rate of movement of the aircraft.