Solar plane lands in Arizona, 1st leg of U.S. trip
May 5, 2013
Alone in the single-seat cockpit and high above the American Southwest, pilot Bertrand Piccard could hear only his plane's gear box and the quiet whine of four electric motors. No noisy jet engines.He's flying Solar Impulse, considered the world's most advanced sun-powered plane.Piccard piloted the craft for 20 hours, first cruising along the California coast after taking off from Moffett Field in Mountain View near San Francisco just after dawn Friday. He passed over Edwards Air Force Base, whe