Solar Impulse 2 cut short its record attempt to fly nonstop from China to Hawaii and headed Monday for an unscheduled landing at Nagoya Airport. Its support team scrambled to fly equipment and personnel into Japan.

Bad weather set in over the Pacific as the solar-powered plane was more than a day into its planned six-day, six-night crossing that started in Nanjing.

Pilot Andre Borschberg broke the news on Twitter that he was diverting.