The slow-speed wooden propeller and long wings are evident as NASA’s YO-3A acoustics research aircraft performs a low-level flyover at…
Pathfinder-Plus on a flight over Hawaii in 1998.
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 takeoff set the stage for a two-day Helios endurance flight in the stratosphere planned for mid-July.
Small numbers on the nose cap of the F/A-18 Systems Research Aircraft at NASA’s Dryden Flight Research Center, Edwards, CA,…
Helios Prototype Flying Wing in flight.
Helios Prototype crew chief Marshall MacCready of AeroVironment, Inc., carefully monitors motor runs during ground checkout of the solar-powered flying…
Ground crewmen maneuver AeroVironment’s solar-powered Helios Prototype flying wing on its ground support dolly during functional checkouts prior to its…
