Also: for inspecting wind turbines (which I imagine would be a use-case), the operators usually want to work on low-wind days anyway. I used to work at a large

Also: for inspecting wind turbines (which I imagine would be a use-case), the operators usually want to work on low-wind days anyway. I used to work at a large offshore wind operator, and the approach we used there for leading-edge inspection of blades was a telephoto lens from a neighboring turbine. As anything involving technicians off-shore, this was very expensive.