1.   Investigators say the ship was carrying a heavy cargo which may have been improperly secured and shifted in the heavy waves, causing the ship to tilt.

2.   One of the tanks recently took on so much water that the ship tilted to one side.

3.   The crippled ship was tilting slightly in the harbor at Aden, Yemen, but the Navy said it was not in danger of sinking.

4.   The ship tilted to the left side and the entire cargo shifted with it.

5.   They apparently boarded from the same side, causing the ship to tilt.