Has this been done already?
Video: Plane hits Ullswater - Cumbria Crack: News for Penrith, Appleby, Eden Valley, Keswick, Workington, Whitehaven, Maryport, Barrow, Kendal, Carlisle, Lake District & Cumbria24
Was the sensational headline and it sparked a major SAR operation. However this video shows it was actually just doing a bit of water skiing style touch and go's!
Have seen big wheel bush planes land on streams etc but not sure why anyone would want to do that in the middle of a deep cold lake? Incredibly reckless but great skills and as the registration is now all over the internet this pilot is going to have some serious explaining to do to the CAA I think.
Or maybe they had special permission to do this but the rescue teams and emergency services may see it differently!