According to this page and consistent with the reference linked as INLAND the draught in Ais8_200_10 messages it has a factor of 100 while libais only divides by 10 to calculate meters.
https://github.com/schwehr/libais/blob/e464cf8ccf4458bcc64fb763f906ee54eb0ce984/src/libais/ais8_200.cpp#L30