The Helena is a steel hull, twin-propellor towboat. She was built in Midland, Pennsylvania in 1938 by the Midland Barge Company. Her dimensions are:- 148.4 x 40.1 x 8.1 feet. She is an oil burner and has water tube boilers. The triple expansion engines, 10-1/4\" x 17\" x 27\" with an 18-inch stroke total 1,000 horse power. Her propellors are 6 feet 5 inches in diameter. She is owned by the Inland Waterways Corporation of St. Louis, Missouri. She has but lately been acquired by the Federal Barge Line who installed Kort nozzles to increase her efficiency.