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Simplified Aircraft Instrument Landing System (SAILS)

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The SAILS system employs a small, lightweight, helicopter borne radar which tracks a beacon located at or near the desired touchdown point. The resultant position information is used to generate cross pointer signals representing the deviation from the desired glide slope and approach path. Range and range rate are also provided. Provision is made to offset the touchdown point up to 2 miles north and east and 1000 ft vertically from the beacon position. The approach path, glide slope, and offsets are selected by the pilot. All measurements and computations are performed in the aircraft.
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Document Type: Research Article

Affiliations: Preliminary Systems Design, Bell Aerosystems Company, Buffalo, New York

Publication date: 01 October 1969

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  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

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    Authors can find submission guidelines and related information on the AHS website.

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