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S.O. Co. No. 15

Built in 1903, by the Neafie & Levy Ship and Engine Building Company of Philadelphia, Pennsylvania (hull #962) as the S.O. Co. No. 15 for the Standard Oil Company of New York, New York.

In 1915, the Standard Oil Company was reorganized as the Standard Transportation Company of New York, New York. Where the tug was renamed as the S.T. Co. No. 15.

In 1918, the Standard Transportation Company was reorganized as the Socony Mobil Oil Company Incorporated of New York, New York. Where the tug was renamed as the Socony 15.

In 1932, she was transferred to the ownership of the Socony Vacuum Oil Company of New York, New York. Where the tug retained her name.

In 1932, the tug was acquired by the Avondale Towing Line Incorporated of New York, New York. Where she was renamed as the Maurice Tracy.

In 1938 she was acquired by the Wood Towing Corporation of Norfolk, Virginia. Where the tug was renamed as the Pocahontas.

In 1951, she was acquired by the Donaldson Towing and Lightering Company of Wilmington, Delaware. Where the tug retained her name.

In 1956, the tug was acquired by the Curtis Bay Towing Company of Wilmington, Delaware. Where she retained her name.

In 1958, the Curtis Bay Towing Company’s assets were acquired by the Moran Towing Company of New York, New York. Where the tug retained her name.

In 1959, she was acquired by the Thomas Transportation Company of New York, New York. Where the tug retained her name.

In 1962, the tug was acquired by the Stone Towing Corporation of Wilmington, North Carolina. Where she retained her name.

In 1985, she was reefed off of Wilmington, North Carolina. Originally powered by a single compound steam engine, rated at 500 horsepower. In 1958, she was re-powered with a single diesel engine rated at 900 horsepower.


  • Vessel Name: S.O. Co. No. 15
  • USCG Doc. No.: 117220
  • Vessel Service: TOWING VESSEL
  • Trade Indicator: Coastwise Unrestricted
  • Hull Material: STEEL
  • Ship Builder: Neafie and Levy Ship and Engine Building Co.
  • Year Built: 1903
  • Length: 91.0
  • Hull Depth: 9.4
  • Hull Breadth: 22.0
  • Gross Tonnage: 164
  • Net Tonnage: 111
  • Previous Vessel Names:
    S.O. Co. No. 15, S.T. Co. No. 15, Socony 15, Maurice Tracy, Pocahontas
  • Previous Vessel Owners:
    Standard Oil Co., Standard Transportation Co., Socony Vacuum Oil Co., Socony Mobil Oil Co., Avondale Towing Line Inc., Wood Towing Corps., Donaldson Towing & Lightering Co., Curtis Bay Towing Co., Moran Towing Co., Thomas Transportation Co., Stone Towing Corporation