Answer: oiltanker

AnswerCrossword Clue
OILTANKER

Spill source, perhaps

OILTANKER

Persian Gulf sight

OILTANKER

Exxon Valdez, e.g.

OILTANKER
Crude carrier
OILTANKER
Persian Gulf vessel
OILTANKERShip of fuels
OILTANKERFrequent Panama Canal crosser
OILTANKERFuel-carrying vessel