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Proceedings Paper

Intraformation positioning system
Author(s): Stuart Sheldon; Timothy Zadzora
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Paper Abstract

The IntraFormation Positioning System is a networked relative navigation system currently being developed for rendezvous, join-up, and formation flight of Air Force helicopters and fixed wing aircraft in instrument meteorological conditions. The system is designed to be integrated into existing aircraft and will display relative positions of all aircraft within a formation, as well as the relative positions of other formations participating in coordinated missions. The system uses a Global Positioning System receiver integrated with the aircraft Inertial Navigation System to generate accurate aircraft position and velocity data. These data are transmitted over a data link to all participating aircraft and displayed as graphic symbols at the relative range and bearing to own aircraft on a situational awareness display format similar to a radar plan position indicator. Flight guidance computation is based on the difference between a desired formation slot position and current aircraft position relative to the formation lead aircraft. This information is presented on the flight director display allowing the pilot to null out position errors. The system is being developed for the Air Force Special Operations Command; however, it is applicable to all aircraft desiring improved formation situational awareness and formation flight coordination.

Paper Details

Date Published: 31 May 1996
PDF: 7 pages
Proc. SPIE 2736, Enhanced and Synthetic Vision 1996, (31 May 1996); doi: 10.1117/12.241032
Show Author Affiliations
Stuart Sheldon, Veda Inc. (United States)
Timothy Zadzora, Air Force Wright Lab. (United States)


Published in SPIE Proceedings Vol. 2736:
Enhanced and Synthetic Vision 1996
Jacques G. Verly, Editor(s)

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