by the submarine , and her bow was destroyed. She managed to drop several depth charges before sinking with a loss of 167 sailors. Citations General references External links http://www.combinedfleet.com/Ishigaki_t.htm 1940 ships Maritime incidents in May 1944 Shimushu-class escort ships Ships sunk by American submarines World War II naval ships of Japan World War II shipwrecks in the Pacific Ocean Ships built by Mitsui Engineering and Shipbuilding