High Quality Content by WIKIPEDIA articles! DS Seacrest, also known as The Scan Queen, is a drill ship built by Far East Levingston Shipbuilding Ltd., Singapore, owned by Unocal Corporation and operated by Great Eastern Drilling and Engineering company. It was sunk by Typhoon Gay in the Gulf of Thailand on November 3, 1989. 91 rig workers were killed after the vessel capsized, resulting in a massive legal case brought against the ship`s owners UNOCAL. There were only six reported survivors; two Indonesian and four Thai divers, although these figures vary slightly depending on the source. Many of the bodies were never recovered. Typhoon Gay produced winds of 100 knots or more with 40 feet waves. It left hundreds of sunken fishing vessels in its wake, killing 529 people and leaving approximately 160,000 homeless.