Re: It's Not Just Containers.....
..and, speaking of untrained crew, don't forget the 'Yogi':
Why Did the Megayacht Yogi Sink?
From RFC 1925: "(3) With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead."