The slow-speed wooden propeller and long wings are evident as NASA's YO-3A acoustics research aircraft performs a low-level flyover at…
The takeoff set the stage for a two-day Helios endurance flight in the stratosphere planned for mid-July.
The solar-electric Helios Prototype flying wing is shown near the Hawaiian island of Niihau during its first test flight on…
The solar-electric Helios Prototype flying wing is shown over the Pacific Ocean during its first test flight on solar power…
The solar-electric Helios Prototype flying wing is shown near the Hawaiian island of Niihau during its first test flight on…
The solar-electric Helios Prototype flying wing is shown near the Hawaiian islands of Niihau and Lehua during its first test…
Ground crewmen maneuver AeroVironment's solar-powered Helios Prototype flying wing on its ground support dolly during functional checkouts prior to its…
The solar-electric Helios Prototype flying wing is shown moments after takeoff, beginning its first test flight on solar power from…
Ground crewmen maneuver AeroVironment's solar-powered Helios Prototype flying wing on its ground support dolly during functional checkouts prior to its…
Helios Prototype crew chief Marshall MacCready of AeroVironment, Inc., carefully monitors motor runs during ground checkout of the solar-powered flying…
