USA
Polar aviation

In November 2012. California-based Airship Ventures, engaged in passenger traffic on the airship, ceased operation due to lack of sponsors and the increased cost of helium. The company's fleet included the world's largest airship Zeppelin Eureka, built in Germany.

Passengers climb aboard the legendary AN-2, Street -30, -30 on board, too, and only in the crush can be a little warm warm breath.