Barista Uno on the Marine Cafe blog, posted this morning about a sad anniversary. Twenty five years ago today, the passenger ferry Dona Paz collided with the oil tanker MT Vector in the Philippines. With a likely death toll of over 4,000 people, the sinking of the Dona Paz was deadliest peacetime maritime disaster in history.
There are 7 parts to this, you can find them here: http://www.youtube.com/user/veralawph/videos
Thanks, Phil.
Part 7 explains what may have happened, a zig-zagging tanker causing the port & starboard lights to be misread.
Looks like there is also a part 8: http://youtu.be/8K_UIKRVUu4