Aircraft Solar Impulse at Nagoya Airport in Japan on June 24, 2015 – / NEWSCOM / SIPA

N.Beu. with AFP

The revolutionary aircraft Solar Impulse 2 stuck in Japan since June 2 due to weather, took off on Monday morning to fly over the Pacific Ocean, said a spokeswoman.

Piloted by Switzerland André Borschberg, the device, which works exclusively with solar energy, left around 3am (Sunday at 20h Paris time) of Nagoya, in the center of the Japanese archipelago has is it the same source. “He took off three hours and four minutes (local time),” said Elke Neumann, spokesman of the organizing team of this round the world unique. “We now expect that he has reached the point of no return before sending out the official press to 10:00 local time,” she added, noting that the weather was favorable, but it could still change .

To move from Japan to Hawaii, Solar 2 Impulse will fly a distance of 7,900 km, which should take at least five days and five nights. As there is no point in the road where aircraft could possibly arise after departure, this step is considered the most risky of the journey. A previous attempt at takeoff had to be canceled, there a few days due to bad weather.

In an interview published last week, the second driver Solar Impulse 2, Bertrand Piccard, had stressed that the aircraft was flying over the Pacific in the coming weeks, if not at the risk of being stuck in Japan a year.