I'm confident I had the boat on a plane multiple times. I also shipped plenty of water and came as close to capsizing as I like. At times, indeed, the prevailing breeze was so strong that the boat was difficult to bring about, preferring to get stuck in irons.
Here are a couple of brief video clips:
And here is a graph of wind speed during the period from noon to 3 PM when I was sailing:
All in all, it was perhaps a bit more wind than I could handle safely.