Hydroptere v2 The flying boat X-Plane 10 4 404 Size 12.6 MB Created 30 Oct 2012 Updated 19 Mar 2013 Hydroptère is the first sailboat to cross the bar of 50 knots in the sail, that is 92,6 kph, then that of 100 kph with a point in 56,3 knots (104 kph). By JP Baril