July 2010 accident The tugboat operator served a one-year sentence for “the maritime equivalent of involuntary manslaughter.” Six years after the accident, Ride The Ducks ceased operations in Philadelphia.

Duck tours (or, more formally, amphibious tours), are tours that take place on purpose-built amphibious tour buses and (modified) surplus amphibious military vehicles, like DUKWs ("Ducks") and LARC-Vs. They are often offered as tourist attractions in harbor, river and lake cities.