[monkeyshine]

Yeah, I'm sure it's a shipping lane, which makes it all the more bizarre. As if the ships captains aren't aware of the sunken friegher, and don't have the appropriate navigation equipment/radars to locate obstancles (like sand dunes and reefs) under the surface of the water?

[Lonesome in Massachussets]

I assure you subsurface obstructions do not show up on radar and almost no ships have intrumentation to detect them. You need up-to-date charts. When a hazard to navigation occurs, the responsible authorities take measures to warn ships and remove the hazard, as a matter of course. This whole thing just doesn't make sense.