BALTIMORE - Marine inspectors Lt. j.g. Shehu Bello, Chief Warrant Officer William Dodson and John Murren, from Coast Guard Sector Baltimore, calculate the maximum passenger weight allowance during a simplified stability test for the vessel Blue Heron, March 14, 2011. The inspection required that the maximum passenger weight be tested, which required nine barrels of water and 36 bags of rocks. U.S. Coast Guard photo by Petty Officer 3rd Class Robert Brazzell.