IMO: www.imo.org
MSA（CN）: www.msa.gov.cn
IBS（QH）: www.classibs.org
PMA Circular: www.segumar.com/new_ page. _2.htm
IMMARBE: www.immarbe.org
JSR: www.jamaicaships.com
MAJ: www.maritimejamaica.com
Paris MOU: www.parismou.org
TOKYO MOU: www.tokyo-mou.org
USCG: www.uscg.mil
