[per loin]

Ships plowing into carriers are stopped with other boats, and with guns

A 450' ferry at cruising speed has substantial momentum. What sort of boat do you figure it would take to prevent the ferry from traveling that 500 meters to the first slip?

[elfman2]

"What sort of boat do you figure it would take to prevent the ferry from traveling that 500 meters to the first slip? "

You're being a pest. Do as I just suggested or don't talk to me.