Donald B. (towboat)

History
Name:	Donald B
Builder:	Marietta Manufacturing
Launched:	1923
General characteristics
Tonnage:	51 GRT
Displacement:	108 long tons (110 t)
Length:	99 ft (30 m) LOA
Beam:	18 ft (5.5 m)
Draft:	32 in (0.8 m)
Installed power:	160 hp (120 kW) direct reversing diesel engine
Propulsion:	Sternwheel
Donald B (towboat)
U.S. National Register of Historic Places
U.S. National Historic Landmark
Location	Vevay, Indiana
Coordinates
Built	1923
Architect	Marietta Manufacturing Co.
NRHP Reference #	89002458
Significant dates
Added to NRHP	December 20, 1989
Designated NHL	December 20, 1989

Donald B, originally Standard, and now Barbara H is a paddlewheel towboat that has been named a US National Historic Landmark and is now based at Lamb, Indiana, across the Ohio River from Carrollton, Kentucky. She is owned by the Historic Sternwheeler Preservation Society, a not-for-profit corporation.

The boat was declared a National Historic Landmark in 1989.

The boat measures 99 feet (30 m) long overall (80 feet (24 m) hull length plus the paddlewheel) by 18 feet (5.5 m) beam. She draws 32 inches (0.8 m). She is powered by a 160 horsepower (120 kW) 1940 Fairbanks-Morse 35E10 direct reversing diesel engine. She measures 51 gross registry tons and displaces approximately 108 long tons (110 t).

Nomenclature

• Standard (1923–1940), owned by Standard Oil Company of Ohio
• Donald B (1940–2001), named after the owner's son, Donald Brookbank, who later became her Captain
• Barbara H (2001–), named after the Captain's wife, Barbara Huffman

Vessels that move barges on the Mississippi River and its tributaries are known as "towboats" despite the fact that they do not tow barges, but always push them from behind.