I got a beer that says there ain’t a hammer on board. They’re not even wearing shoes. Unless they were able to break off some interior pieces, I got another beer that says there’s nothing aboard substantial enough to whack the hull hard enough to register on a sonar
buoy . . .
buoy . . .
It's hard to distinguish the difference between a dot and a dash when sending Morse code with a hammer. Carbon fiber would not ring like steel.
73,
Rick