[Adder]

Exactly. By the 3rd century? They had been direct sailing for centuries, I believe I read.

The discovery doesn’t “challenge” anything like the writer is asserting...Romans sailed all over the place....

http://historylink102.com/Rome/roman-ships.htm

[W. W. SMITH]

All pilots, whether ship or plane, know that the closer to land you are the more dangerous it is.

[pierrem15]

The Romans sailed even to the Canary islands.