Answer: oiltanker

AnswerCrossword Clue
OILTANKERSpill source, perhaps
OILTANKERPersian Gulf sight
OILTANKERExxon Valdez, e.g.
OILTANKERCrude carrier
OILTANKERPersian Gulf vessel
OILTANKERShip of fuels
OILTANKERFrequent Panama Canal crosser
OILTANKERFuel-carrying vessel