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Aurora flies prototype solar-powered UAV, Aviation Week & Space Technology, 18 May 2009, p 17

In US, the Light Eagle human-powered aircraft has now been fitted with thin-film amorphous-silicon solar cells, a 12 ft diameter propeller, an electric motor, and batteries for night flying. The 114 ft span Sunlight Eagle represents a step towards an ultra-long-endurance surveillance platform.

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