"There are some commercial waterproof units on the market now.
I believe one is called Aquaquad or something similar.
I have been assembling our Cattle Quads from the Hiro frame from Game of Drones.
Build Log for a Cattle Mustering Quad - Game of…"
"I must admit that I am also having issues with APM Planner and communications with the last version.
2 different computers, 2 different copters and the link keeps randomly dropping out.
Maybe this is the issue and not the APM after all."