Re: Have you ever hit a shipping container?
I remember sailing north of Hawaii , on a bright moonlit night , sleeping in my bunk, when I slammed into something hard and metalic. It launched me right out of my bunk. When I looked back, I could see a large, dark shape, silhouetted in the moonlight. As I was in a steel boat at the time, I had no worries about any damage. Later , I found a small dent , a few feet ahead of amidships.
Brent Swain, Yacht designer, Builder, and author of "Origami Metal Boatbuilding"