For those who are wondering what AIS (Automatic Identification System) is, where it is used, and how the different classes of AIS differ, UK-headquartered vessel tracking provider BigOceanData has put together a useful primer on the subject in the form of a PDF whitepaper.

AIS is a worldwide automatic vessel positioning system

AIS is a worldwide automatic vessel positioning system

BigOceanData has kindly given Maritime Journal permission to host the paper on this site. Download whitepaper here.