Maybe not exactly at that point, but the article said they could hear the rescue helicopters, but still had to wait more than a day in darkness to be rescued.

Maybe not exactly at that point, but the article said they could hear the rescue helicopters, but still had to wait more than a day in darkness to be rescued. Noises are also very different above and below water - even when you’re in an air pocket. They knew they were still at the surface and trapped in a capsized vessel.