(luxurylaunches.com) – The sailing vessel A, built in 2017 by Russian oligarch Andrey Melnichenko is a 470-yacht, the largest sailing yacht in the world. Known for its distinctive lines and accutrements onboard it turns out that German tax money was used to build the yacht. The Russian owner was able to gain tax advantages based on the fact that the yacht was using new technologies and posed a high risk of failure. Read more.