In addition to ships flying flags of convenience, some ships have no nationality at all. (politics.stackexchange.com)
, and «Taylor - made: the pivotal role of Liberia's forests and flag of convenience in regional conflict» Global Witness, September 2001. (globalwitness.org)
In fact, many of the 60 or so cruise ships that carry an estimated 8000 people to Antarctica each year already sail under flags of convenience. (newscientist.com)