Solar Impulse 2 takes off for 5-day non-stop flight across the Pacific

Swiss pilot Andre Borschberg took off from Nanjing to Hawaii aboard the Solar Impulse 2 aircraft in the longest leg of the first round-the-world solar flight, Saturday. The 8,175-kilometre (5,079-mile) flight over the is expected to last for five days and five nights. It is the seventh of 12 flights of a five-month journey aboard the single-seater plane.