||16 June 1966
||Marinette Marine Corp., Marinette, Wisconsin
||29 September 1966
||25 April 1967
||10 July 1967
||13 March 2001
||Sold into commercial service, 20 November 2001
|Class and type:
||Natick-class large harbor tug
- 283 long tons (288 t) (light)
- 356 long tons (362 t) (full)
||109 feet (33 m)
||31 feet (9.4 m)
||14 feet (4.3 m)
||diesel engine, single screw
||12 knots (14 mph; 22 km/h)
Piqua (YTB-793) was a United States Navy Natick-class large harbor tug named for Piqua, Ohio. She was the second ship to bear the name.
The contract for Piqua was awarded 16 June 1966. She was laid down on 29 September 1966 at Marinette, Wisconsin, by Marinette Marine and launched 25 April 1967.
Placed in service at Submarine Base New London, Connecticut, Piqua served the 3rd Naval District and Atlantic Fleet ships operating in New England waters. She was then assigned to SUBRON 14, Holy Loch, Scotland circa 1964 to 1970.
Stricken from the Navy List 13 March 2001 she was sold by the Defense Reutilization and Marketing Service 20 November 2001. Currently in civilian service as Ellen McAllister.