aboard 1309 passengers, same number as the titanic, including phillip littlejohn, his grandfather wass. he survived. >> we knew he was on titanic but he never talked about it. he lost too many friends that night. >> reporter: that night was april 15, 1912, 100 years ago next sunday. at 2:20 in the morning, 2 1/2 hours after side swiping an iceberg, the great ship went down. >> my great uncle lost his life. his body was never recovered. >> reporter: titanic would cost $400 million to replicate today. with 11 decks, a grand staircase and dripping with opulence, it was designed to be an eternal kingdom, a ship that would never die. had everything gone right, titanic would have docked at this pier off the hudson river, six days after leaving southampton. her route was to stop first at cherbourg, france, but south of newfoundland, she hit an iceberg. the atlantic rushed into her supposedly watertight compartment. of more than 2200 passengers and crew, some prominently wealthy like jon jay cob aster, but some immigrants looking for a better life in america, fewer than 1 in 3 survived. for s