I've been reading a few horror stories about folks losing their P-3s,/P-4s while flying over water. I'm now too paranoid to do that. However, I thought of this idea. Why not attach a thin, long, nylon cord to the drone, perhaps 100 feet in length or so, just in case. I don't know if the drone could recover it's functionality after drying out, but maybe. I once dropped a cell phone into water, and it worked fine after drying out as long as I didn't power it up while drying. Any thoughts on this idea?