Taiwan Navy is wrong, this is not P4693.1,
P4693.1 is a platform over the sea, 25° 06.9´ N 122° 02.5´ E,
Bergwind's photo work
http://www.lightphotos.net/photos/displayimage.php?album=162&pid=25580 (http://www.lightphotos.net/photos/displayimage.php?album=162&pid=25580)
and
http://www.lightphotos.net/photos/displayimage.php?album=162&pid=25587 (http://www.lightphotos.net/photos/displayimage.php?album=162&pid=25587)