The M/V General Irwin, a 385 hp twin-screw towboat, is assigned to provide operations and maintenance support for the Apalachicola-Chattahoochee-Flint River system, which runs through the states of Alabama, Florida, and Georgia, and includes support for navigation locks, hydropower, natural resources management, recreation missions, and general fleeting duties.

Built:                                        2012 by Horizon Shipyards, Bayou La Batre, AL

Length x Breadth x Depth:    58' x 22' x7'

Draft:                                       4'-10"

Vertical Clearance:                35'

Displacement:                        95 long tons

Max Speed:                            10 knots

Main Engines:                        2 Caterpillar C12B, 385 hp @1,800 rpm

Generators:                            1 Caterpillar C4.4, 44 kW

Accommodations:                 3 crew (max)

Original Cost:                         $4,330,498