I’ve seen the numbers before—like the SS Marine Sulphur Queen in 1969 or the SS Adriatic in 1878. Most of those cases have a pattern: a single storm, a malfunction, then no signal. The data is sparse, but the records show a small cluster of incidents between 1900 and 1970 where ships simply vanished without a trace. The logs from the Coast Guard and shipping registers are the only reliable source; the rest is speculation. If you need the raw figures, I can pull up the tables for you.