US PATENT SUBCLASS 244 / 186
.~.~.~.~ Vertical glide path control

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}
183  DF  .~.~.~ Of aircraft on its landing course {2}
186.~.~.~.~ Vertical glide path control {2}
187  DF  .~.~.~.~.~> With "flare-out" detection
188  DF  .~.~.~.~.~> Slope control by throttle

DEFINITION

Classification: 244/186

(under subclass 183) System wherein the direction of the aircraft, or its orientation relative to its glide path, is changed from an actual glide path line to a desired glide path line to obtain the desired glide path, the change occurring in a vertical plane; the vertical plane being one that is perpendicular to the ground, extending in the direction of landing and coextensive with both said lines.