One wonders if you could drop a battery operated GPS beacon reporting by satellite on these things to report back their position once a day once it has been abandoned. Something like that should be able to run for a couple of years at least.
Maritime salvage law is always interesting as it feels like it was mostly written in the 1600 and 1700's :-)
Maritime salvage law is always interesting as it feels like it was mostly written in the 1600 and 1700's :-)