We Were Dead Before the Ship Even Sank was created in 2005.
Dead reckoning is a method of estimating the position of an air craft or ship.
Orpheus
A deadhead is a non paying passenger
The Doctor that was 'killed' in that scene turned out to be the Teselecta, a ship manned by a miniaturised crew. The ship is in the shape of a human and can take on any person's appearance.
If you use your source wisely you will find that it is Dave Y Jones's ship.
We were dead before the ship sank
Live human: Dead skin Dead human on the land: Everything except the bones Dead human on a sunken ship: Everything.
Jerry Dies on a Prision ship
Jerry Dies on a Prision ship
The Titanic sank in 1912 and the ship was abandoned. No one was found dead aboard at the time.
The water of the Dead Sea is unusually salty (even for a sea) and hence, it is also unusually dense.