16
16
5 compartments were flooded, which was one too many, for the Titanic was designed to stay afloat with only 4 compartments breached
Four. But they filled five.
5 water tight compartments were ruptured. Making the gash a total of 300 feet long.
Titanic's master builder, Thomas Andrews, had taken courses in naval architecture and ensured that Titanic could stay afloat with up to four compartments flooded.
12
The Titanic can stay afloat if four of the watertight compartments were flooded. Unfortunately, five of those compartments were flooded, and the ocean water was spilling over each compartment, accelerating her sinking.
The Titanic sank after a collision with an iceberg opened a longer than expected crack in the hull below the water line, flooding too many of the water tight compartments for the ship to remain afloat. The shortage of lifeboats was part of the reason so many people died.
It had 4
58
6 watertight compartments
RMS Titanic's first five compartments filled with water following a brush-by collision with an iceberg. The ship probably could have floated with as many as four compartments flooded, but with the loss of the fifth, the ship's head (or bow) was pulled down to a point where the rising water was able to spill over the tops of the following bulkheads one after the other, dooming the ship.