No boubt adout it.
You may be right. I googled "Saar-5" and the pics have a hole in the same spot, minus the soot.
http://images.google.com/imgres?imgurl=http://www.fas.org/man/dod-101/sys/ship/row/rocn/saar-5.jpg&imgrefurl=http://www.fas.org/man/dod-101/sys/ship/row/rocn/kuang-hua-corvette.htm&h=448&w=663&sz=49&hl=en&start=1&tbnid=TgfQ_InhfPJp6M:&tbnh=91&tbnw=136&prev=/images%3Fq%3D%2522saar-5%2522%26ndsp%3D20%26svnum%3D10%26hl%3Den%26lr%3D%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DN