As an example a typical U.S. flag, Jones Act Tanker without a large amount of automation to reduce the overall manning requirements would have a crew of about 19 to 27 people. Whereas a typical U.S. flag, Jones Act conventional tug and barge or for that matter an AT/B with a tank barge, with the same cargo carrying capability can operate with as few as 7 people, but seldom more than 10.