Aerial navigation instruments

Details Aerial navigation instruments Aerial navigation instruments

1979-10-11

1981-03-10

Pitrelli, John F.

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Double reel and web

G09F 1118

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042545684

ABSTRACT:
An aerial navigation instrument is provided having a housing with a window on one side and an arcuate surface on the opposite side for resting on a user's leg, a continuous map of a desired route on rollers at each end of the window and a hinged plate means along one side of said housing adapted to pivot between a first position having a first face exposed generally in the plane of said window and a second position overlying said window with a second face exposed, means on said first face removably holding a writing surface, and means on said second face removably holding an outline of approach procedure and control for a selected landing area.

REFERENCES:
patent: 1312445 (1919-08-01), Johnson
patent: 1923113 (1933-08-01), Norvell
patent: 2420673 (1947-05-01), Monrad
patent: 2482818 (1949-09-01), Walters
patent: 2631390 (1953-03-01), Dorogoff
patent: 2792647 (1957-05-01), Coss
patent: 3232685 (1966-02-01), Wilstein et al.
patent: 3589327 (1971-06-01), Jacobs

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