Jordan-based Arab Ship Management Ltd. pleaded guilty today in federal court in Wilmington, Delaware, to one count of violating the Act to Prevent Pollution from Ships, the Justice Department and the U.S. Coast Guard announced. In accordance with the terms of the plea agreement, Arab Ship Management Ltd. was sentenced to pay a criminal penalty totaling $500,000 and be placed on probation for two years, during which time ships operated by the company will be banned from calling on ports of the United States.