Visual descent sighting device for aircraft

Details Visual descent sighting device for aircraft Visual descent sighting device for aircraft

1975-07-31

1977-07-12

Aegerter, Richard E.

Geometrical instruments

Straight-line light ray type

Structurally installed

33227, 33277, 33286, 35 12N, G01C 2100

Patent

active

040344800

ABSTRACT:
This invention relates to a self-contained sighting device for use in aircraft that will give visual descent guidance to the pilot while making his final approach to a runway for a landing. The device comprises frames or windows that sight along an imaginary approach path which automatically directs the pilot's line of sight to parallel the desired approach path thereby aiding the pilot in his approach to the intended landing spot.

REFERENCES:
patent: 1349277 (1920-08-01), Honig
patent: 1963826 (1934-06-01), Chilton
patent: 2280126 (1942-04-01), Metcalf
patent: 2412585 (1946-12-01), Klemperer et al.
patent: 2517779 (1950-08-01), Flint
patent: 2722054 (1955-11-01), Fisher
patent: 2975400 (1961-03-01), Ferguson et al.
patent: 3190585 (1965-06-01), Busch et al.

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