The Maritime Administration has approved in principle an application by Ocean Barge Corporation, New Orleans, to aid in financing the construction of an oceangoing, 33,000-dwt dry cargo barge.

Bay Shipbuilding Corporation, Sturgeon Bay, Wis., is the builder. The 550-foot vessel is scheduled to be delivered in November and is expected to be employed in the domestic U.S. coastwise coal trade. The Title XI guarantee covers $16,257,000, or 87 1/2 percent of the estimated cost of $18,580,000.