SS Ario
Tanker · United States · Lost 1942 · The Outer Banks
An empty tanker torpedoed and then shelled by a surfaced U-boat off Cape Lookout, now a shallow, accessible wreck popular with newer divers.
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The Vessel and Her Loss
Built in 1920, the tanker Ario was returning empty from New York to Corpus Christi when U-158 torpedoed and then shelled her on March 15, 1942, off Cape Lookout, killing eight of her 34 crew. The ship remained afloat for hours before finally sinking; survivors were rescued by the destroyer USS Du Pont. The wreck's identity was confused with the neighboring W.E. Hutton for decades before NOAA research sorted out the two sites.
Vessel
- 1920
- Bethlehem Shipbuilding Corporation
- Sparrows Point, Maryland
- Steel
- 436 ft
- 56 ft
- 6952
- Triple expansion steam, single screw
- Socony-Vacuum Oil Co. Inc., New York
Loss
- March 15, 1942
- Enemy action
- About 11-12 miles southwest of the Cape Lookout Light Buoy, North Carolina
- Atlantic Ocean
- New York, New York → Corpus Christi, Texas
- Water ballast
- 34
- 8
- Thorolf R. Hannevig
The Wreck Today
- 65-75
- Heavily broken apart, partly from postwar wire-dragging and demolition of navigation hazards.
- Not established
- Not established
- Not established
Position
- 34.499° N 76.898° W
- Surveyed position
- Cape Lookout, North Carolina
Evidence
Overall confidence: Documented (85/100)
NOAA Monitor National Marine Sanctuary
Build, loss details, site identification history, coordinates.
Attack narrative, casualties, rescue.
























































