Aristotle Onassis of his fleet, while having trouble managing their own fleets, which operated under US flags and thus at high cost. The high profitability of the Onassis fleet has been attributed in large part to his disregard for standards that normally govern international shipping. For example, after his Liberian registered tanker SS Arrow ran aground and spilled oil into Chedabucto Bay in 1970, still the most significant oil spill off Canada’s East Coast (about 25% of the amount spilled by the Exxon Valdez in Alaska in 1989), there was a Commission of Inquiry. Led by Dr Patrick McTaggart-Cowan, executive director of
NEPCO 140 oil spill NEPCO 140 oil spill The NEPCO 140 Oil Spill took place in 1976 near Clayton, New York when the NEPCO 140 ran aground while traveling inland, spilling an estimated of oil into the Saint Lawrence River. On June 23, 1976, the tugboat "Eileen C" was pushing the NEPCO 140 barge, filled with crude oil, when it ran aground in the American Narrows, off Wellesley Island, in the Thousand Islands region. The Captain had not made a large enough adjustment to his course, when realizing the vessel was off-track in the thick fog.<ref name="Suspension_Revocation/Commandant_Decisions"></ref> Upon running aground, the barge ruptured two