OCSNCOE Unit Emblem (silhouettes of a self-elevating MODU, an OSV and an offshore wind turbine over a silhouette of the United States with the U.S. Coast Guard mark (i.e., racing stripe) in the background).Outer Continental Shelf National Center of Expertise (OCSNCOE)

JACK ST. MALO during offshore construction with attending OSV and Floatel VICTORY. C-ENFORCER underway with water cannons flowing. SEVAN LOUISIANA underway when initially entering the U.S. Gulf of Mexico. Platform GINA off the California coast. Block Island windfarm with attending CTV. SPARTAN 151 dockside in Seward, AK.

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Vessels involved in or supporting mineral-based OCS Activities

Please use the menu to the left or the links provided below to learn about the various types vessels that support offshore mineral and energy activities and the regulations, policy and guidance that govern the oversight of these vessels:

  ○ Types of Offshore Supply Vessels (OSVs)

  ○ Regulatory history related to OSVs

  ○ Regulations, Policy and Guidance

  ○ Frequently asked Questions (FAQs)