Which vessel is required to have a shipboard oil pollution emergency plan?

Correct Answer: Option A — an oil tanker of 150 gross tons or above, or other ship of 400 gross tons or above

33 CFR 151.26 requires a Shipboard Oil Pollution Emergency Plan (SOPEP) for oil tankers of 150 gross tons or above and all other ships of 400 gross tons or above. This regulation aligns with international MARPOL standards to ensure vessels are prepared to mitigate potential oil pollution incidents.