In a little more than two years, Van’s Aircraft has sold 500 RV-10 kits. Fifteen customer-built RV-10s are now flying, while many others are nearing completion. RV kits, including the RV-4, RV-7, RV-8, RV-9 and the four-place RV-10 continue to be among the most popular in the world. About 1.5 new RVs take to the sky every day. So far, 4,390 have flown.