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
SS Tuxpam (Mexican oil tanker) SS Tuxpam (Mexican oil tanker) The SS "Tuxpam" was an oil tanker, in the service of Petroleos Mexicanos, that was sunk on 27 June 1942 by U-129. She was completed in November 1903 as SS "Prometheus" for Deutsch-Amerikanische Petroleum GmbH, Hamburg. In 1914 she was laid up at New York City and, in December of that year, sold and renamed SS "Cushing" for Standard Oil of New Jersey, Bayonne. In September 1918, she was requisitioned by the US Navy as "USS Chinampa (SP-1952)" for the Naval Overseas Transportation Service and returned to her owners in May 1919. In 1924 she