US PATENT SUBCLASS 340 / 951
.~.~ Phased landing guidance (e.g., runway approach, landing, touchdown)

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

945  DF  AIRCRAFT ALARM OR INDICATING SYSTEMS {11}
947  DF  .~ Land-based landing guidance {5}
951.~.~ Phased landing guidance (e.g., runway approach, landing, touchdown)

DEFINITION

Classification: 340/951

Phased landing guidance (e.g., runway approach, landing, touchdown):

(under subclass 947) Subject matter wherein landing guides are clustered at different locations for different parts of the landing path for supplying different guidance indications.