Solar Impulse 2, a solar‑powered aircraft built in Switzerland that completed a landmark round‑the‑world flight in 2016, has been destroyed after crashing in the Gulf of Mexico. No one was on board. +Get the most important news from Switzerland in your inbox Sold in 2019 to a Spanish‑American company and later tested by the US Navy, the aircraft went down on Monday, according to a safety report released by US authorities, confirming information reported by Swiss broadcaster RTS on Friday. The US National Transportation Safety Board (NTSB) said the aircraft suffered a loss of power before crashing into the ocean. It was completely destroyed. No one was on board and no injuries were reported. According to the NTSB’s preliminary findings, the aircraft took off at dawn on Monday, 4 May, from Stennis International Airport in Mississippi. It crashed in international waters in St Louis Bay, in the Gulf of Mexico. The investigation is ongoing, and a final report will be published at a …