Paul kgyy wrote:

A friend told me a while back that that a couple of pilots purchased
every type of human relief container, and armed with prior consumption
of a gallon or so of coffee or tea, made a test flight and reported on
the pros/cons of each. I think this could be quite funny but have
never been able to find the article. Anybody know of the source?

Some long range cross country glider pilots use external catheters.