alt Hacker NewsAIS is not mandatory for all vessels, and in any case it can fail both on the vessels themselves and in the control center. Just for normal safety purposes you would want to have a secondary system to be able to continue operating busy ports.
AIS is not mandatory for all vessels, and in any case it can fail both on the vessels themselves and in the control center. Just for normal safety purposes you would want to have a secondary system to be able to continue operating busy ports.