NOVA/PBS NOVAPBS
Pathfinder (USA)
Pathfinder is a solar-powered, ultra-lightweight research aircraft developed by AeroVironment Corporation and being tested for environmental research. In 1997, Pathfinder reached an altitude of 67,350 feet, the highest altitude ever reached by a solar aircraft. This UAV collects wind and weather data with extremely fine sensors and snaps digital images at high resolution.

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