Offshore Construction Law and Practice
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APPENDIX A
Vessels and units constructed for use offshore
A Offshore support vessels (OSV)
A.1 This sector of the offshore marine industry is the closest in terms of technology and operational context to conventional shipping. The fleet includes platform supply vessels (PSV), anchor handling towing supply vessels (AHTS) and other platform support vessels, such as standby vessels or emergency response and rescue vessels (ERRV).