Precision equivalent landing system using gps and an altimeter

Details Precision equivalent landing system using gps and an altimeter Precision equivalent landing system using gps and an altimeter

1996-03-14

1998-10-13

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft control

Automatic

340977, 342357, 455 531, 701 16, 701213, B64C 1318

Patent

active

058200800

ABSTRACT:
A precision equivalent landing system. In one embodiment, a position determining system is coupled to an aircraft. The position determining system generates lateral position information of the aircraft with respect to a landing approach path. An altimeter is also coupled to the aircraft. The altimeter generates vertical position information of the aircraft with respect to the landing approach path. A graphic display disposed within the aircraft concurrently displays a visual representation of the lateral position of the aircraft with respect to the landing approach path and the vertical position of the aircraft with respect to the landing approach path. In so doing, the present invention provides both relative position and altitude of an incoming aircraft with respect to a landing approach path. Thus, the present invention provides a precision equivalent landing system without requiring the equipment and expense associated with ILS or FAA MLS precision landing systems.

REFERENCES:
patent: 4326189 (1982-04-01), Crane
patent: 5136301 (1992-08-01), Bechtold et al.
patent: 5210540 (1993-05-01), Masumoto
patent: 5289185 (1994-02-01), Ramier et al.
patent: 5361212 (1994-11-01), Class et al.
patent: 5493694 (1996-02-01), Vicek et al.
patent: 5574649 (1996-11-01), Levy

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