I believe this was just under 500m – Note the tree tops on the other side of bridge as I am taking off. There was a fair bit of wind – over all I am happy to know the limits of the drone. It helps me better to set up for a composition. I can see a place for such high altitude shots.
I just check out a mod and gave the screws on my controller another few turns here and there. Have to go into town for now, but will do another height test later.