But while the kiwis have climbed to the top of the board the 2014 world crown isn't in the bag yet, and the Austrians are breathing down their necks just a point behind. USA's Anne Haeger and Briana Provancha are lying third a further five points adrift.
Aleh was pleased with their return from the day's sailing.
"For the first day we've had some decent breeze and just had three races and it was really good.
"We're sort of, back up to schedule now. I made a few mistakes today, it wasn't as good as it could have been but yeah, it was good racing."
In the Men's 470 Paul Snow-Hansen and Daniel Willcox have slipped to 26th overall.
The Laser medal race took place overnight with New Zealand's Sam Meech finishing ninth.
World champions Molly Meech and Alex Maloney are struggling in the 49er FX class, sitting ninth overall after five races.