Target speed & VMG come from the Beneteau First 47.7 polar. 100% = sailing the boat to its polar.
📡 Light up the fleet
These tools are free — and they get better the more boats are on the map. You’re out on the water anyway: share your track and your fleet appears live for everyone, replays fill in on their own, and you get the live map back. Give-to-get, no charge.
