Fathom was upset and rose to the surface. A "shot", one of the forged lengths of chain joined by shackles to form an anchor cable, was usually 15 fathoms long (). A "shackle", a length of cable or chain equal to 12.5 fathoms or 75 feet. In 1949, the British navy redefined the shackle to be 15 fathoms. In Finland, fathom ("syli") is sometimes, albeit seldom, used as a maritime unit, of a nautical mile and of cable length. It is customary, when burying the dead, to bury the coffin at least to a depth of a fathom, or "six feet
Five Fathom Bank light station 1900 tons. Five Fathom Bank light station Records for lightvessels are incomplete. On or about April 30, 1891, LV-40 was removed from its post on Five Fathom Bank and replaced by a schooner "Drift", which temporarily would show a fixed white light on each masthead. Additionally, a buoy was used as an additional marker for the position while LV-40 was repaired. In 1893, the "USS New York (ACR-2)" was performing sea trials and used the Five Fathom Bank light station and the North East End light station as markers to which it became the fastest armored vessel in the world.