diff --git a/src/main/java/de/tims/fleetstorm/ai/Logic.java b/src/main/java/de/tims/fleetstorm/ai/Logic.java
index 11cbb85..d8b2e9b 100644
--- a/src/main/java/de/tims/fleetstorm/ai/Logic.java
+++ b/src/main/java/de/tims/fleetstorm/ai/Logic.java
@@ -149,7 +149,13 @@ public class Logic {
 	}
 
 	public void sinkShip() {
-		// TODO Auto-generated method stub
+		if (foundShip && clearedAbove && clearedBelow && clearedLeft && clearedRight) {
+			this.foundShip = false;
+			this.clearedAbove = false;
+			this.clearedBelow = false;
+			this.clearedLeft = false;
+			this.clearedRight = false;
+		}
 
 	}
 
diff --git a/src/test/java/de/tims/fleetstorm/ai/LogicTest.java b/src/test/java/de/tims/fleetstorm/ai/LogicTest.java
index 3171cb2..5579585 100644
--- a/src/test/java/de/tims/fleetstorm/ai/LogicTest.java
+++ b/src/test/java/de/tims/fleetstorm/ai/LogicTest.java
@@ -236,4 +236,23 @@ class LogicTest {
 		assertEquals(logic.getClearedLeft(), true);
 	}
 
+	@Test
+	void testSinkShip() {
+		Logic logic = new Logic();
+
+		logic.setFoundShip(true);
+		logic.setClearedAbove(true);
+		logic.setClearedBelow(true);
+		logic.setClearedRight(true);
+		logic.setClearedLeft(true);
+
+		logic.sinkShip();
+
+		assertEquals(logic.getFoundShip(), false);
+		assertEquals(logic.getClearedAbove(), false);
+		assertEquals(logic.getClearedBelow(), false);
+		assertEquals(logic.getClearedLeft(), false);
+		assertEquals(logic.getClearedRight(), false);
+
+	}
 }