By Jonathan Amos
BBC Science Correspondent
2 July 2015
bbc
The Solar Impulse plane has broken the record for the longest non-stop solo flight without refuelling.
The milestone was achieved 76 hours into the latest leg of its attempt to circumnavigate the globe.
Pilot Andre Borschberg is making steady progress as he attempts the first solar-powered crossing of the Pacific.
After
leaving Nagoya, Japan, early on Monday (local time), he has now passed
Midway Island and is heading towards his destination of Kalaeloa,
Hawaii.
At 76 hours into the journey, he broke the record for the longest ever non-stop solo flight without refuelling.