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
Mary A. Whalen (tanker) Co.", a pivotal 1975 Supreme Court decision in maritime law after she ran aground in Rockaway Inlet in 1968. She was in active service until 1994. She was listed on the National Register of Historic Places in 2012. PortSide NewYork has more information about her in their e-museum Red Hook WaterStories. Mary A. Whalen (tanker) Mary A. Whalen, known as the "S.T. Kiddoo" from 1938 to 1958, is a historic oil tanker located in the Red Hook neighborhood of Brooklyn, Kings County, New York. She is the home of the non-profit PortSide NewYork, and the group runs programs aboard her.