[tkwalker]

Originally Posted by Westwindmike

I used to keep one of these in my small airplane for those times that my better half just "had to go!"

http://www.amazon.com/Portable-Urina.../dp/B000M3DCHI
This was much better than having to land well short of the destination.
You could keep it in the boat just for her.

Being a guide on the river for many years ... I found a milk pale or 5 gallon bucket or even sometimes a coke bottle will suffice ... Uummm I am referring to the amount of storage room you have on your vessel of coarse ...