Ionia Management, S.A. ("Ionia"), a Greek shipping company with offices in Piraeus, Greece, and Christos Kostakis, chief engineer aboard the M/T (Motor Tanker) Alkyon, a commercial oil and chemical tanker operated by IONIA, pled guilty to covering-up ocean dumping of waste oil by making false entries in a ship log and presenting that log to the United States Coast Guard in the course of an inspection required before docking at a United States port. The guilty pleas were entered in federal court in Brooklyn, New York, before United States District Judge Allyne R. Ross. According to the felony information filed, the Alkyon, like other large ships, produce waste oil from operation of its engineering machinery.