can an AB Limited legaly work on an unlimited tonnage vessel? how about a Danish vessel? if so where can I find this information officially?
On a US vessel an AB limited can serve as part of the crew if there are a certain number of AB Unlimited on board. I don’t recall the exact rules.
For info on Danish vessels start here: http://www.ivw.nl/english/topics/merchant_shipping/crew/certificate_of_equivalent_competency/index.aspx