The Maritime Administration (MarAd) has approved three applications under section 9 of the Shipping Act, 1916, as amended. K-Sea Operating Partners L.P. of Staten Island, NY, has received approval to sell and transfer to Candian registry and flag of the tank barge KTC -135. The purchaser is McKeil Work Boats Ltd., a Canadian Corporation. The 18,850-dwt. vessel was built in 1969 in Port Arthur, TX. Horizon Lines, LLC of Charlotte, NC, also has received permission to sell the containership HORIZON MAYAGUEZ to Eckhardt Marine GmbH, a Republic of Germany Corporation, for scrapping in China. The vessel was built in 1982 in New Orleans, LA. U .S.