US PATENT SUBCLASS 342 / 63
.~ Aircraft guidance

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

61  DF  RETURN SIGNAL CONTROLS EXTERNAL DEVICE {7}
63.~ Aircraft guidance {2}
64  DF  .~.~> With map matching
65  DF  .~.~> With terrain avoidance or alarm

DEFINITION

Classification: 342/63

Aircraft guidance:

(under subclass 61) Subject matter including means to control an air-borne vehicle's flight path.

SEE OR SEARCH CLASS

244, Aeronautics,

175+, for aircraft guidance control, per se.