"Google co-founder Sergey Brin is building a hi-tech airship in Silicon Valley destined to be the largest aircraft in the world, according to multiple sources with knowledge of the project.
“It’s going to be massive on a grand scale,” said one, adding that the airship is likely to be nearly 200 meters long. This would make it by far the world’s largest aircraft today, albeit smaller than the epic Hindenburg Zeppelins of the 1930s, or the American navy airship USS Macon that was once based in the very same hangars where Brin’s aircraft is now taking shape."
https://www.theguardian.com/media/2017/may/26/google-sergey-brin-building-largest-aircraft
“It’s going to be massive on a grand scale,” said one, adding that the airship is likely to be nearly 200 meters long. This would make it by far the world’s largest aircraft today, albeit smaller than the epic Hindenburg Zeppelins of the 1930s, or the American navy airship USS Macon that was once based in the very same hangars where Brin’s aircraft is now taking shape."
https://www.theguardian.com/media/2017/may/26/google-sergey-brin-building-largest-aircraft