OPDEP HC 144 (U.S. Coast Guard) OPDEP HC 144 refers to a specific type of shipboard oil pollution equipment regulation issued by the United States Coast Guard (USCG). The regulation outlines the requirements for oil pollution prevention, preparedness, and response equipment on vessels operating within the U.S. waters or under the jurisdiction of the USCG. The purpose of these regulations is to ensure that adequate measures are in place to prevent, mitigate, and respond effectively to oil spills, thereby protecting marine ecosystems and coastal economies. The specific requirements for each type and size of vessel are outlined in detail within the regulation. Compliance with OPDEP HC 144 is essential for maritime safety and environmental protection.