Took my 3 year old son up in a Warrior for my last flight prior to leaving Kenya. It was the usual toddle over the Rift Valley and round the Ngong Hills when a voice from the backseat announced the desire to empty his bladder. Fortunately we had a plastic bag on board which he very accurately (and completely) filled. The landing was about as smooth as I've ever done which was a relief (excuse the pun) but it is something to think about when flying youngsters for any distance.