According to US media reports, the world's first solar-powered aircraft, the "Solar Impulse," completed a historic flight across the United States. The experimental solar aircraft landed at New York's John F. Kennedy International Airport on the evening of the 6th, three hours ahead of schedule. The Swiss-made solar powered some 12,000 photovoltaic cells, which cover 63 meters of huge wings and charge airborne batteries during the day so the aircraft can fly at night. The single-seat aircraft can fly at speeds of up to 60 kilometers an hour, but can not cross the clouds and fly in the rain. The solar plane began its journey in San Francisco, California, on May 3, stopping in Arizona, Texas, Missouri and Ohio and finally completing the flight in New York. Before dawn on the 6th, the plane took off from an airport in suburban Washington to New York. Pilot Percival Berger, flying at a top speed of 72 kilometers an hour, reported: "Feeling good on the road." Bosch to Berlin headed east from Washington, flying over a picturesque Chesapeake at about two and a half kilometers Pique Bay, then north to New York. This test is to prepare for the global voyage in 2015, the global voyage will be completed by a more powerful aircraft.