Fathom Britain, it can mean the quantity of wood in a pile of any length measuring square in cross section. In Hungary the square fathom ("") is still in use as an unofficial measure of land area, primarily for small lots suitable for construction. Fathom A fathom is a unit of length in the imperial and the U.S. customary systems equal to , used especially for measuring the depth of water. There are two yards (6 feet) in an imperial fathom. Originally the span of a man's outstretched arms, the size of a fathom has varied slightly depending on whether it
Deep Fathom the same time, Jack Kirkland is on an underwater salvage mission in the Pacific, trying to salvage gold bricks from a sunken Japanese ship when an underwater earthquake occurs causing an underwater volcanic eruption and the magma consequently consumes the ship taking all but one brick of the gold with it. Kirkland returns to his ship, a salvage boat - Deep Fathom, with the brick and shares the disappointment with his team when they are radioed by the U.S. Navy to go to a site close to where they are. Though reluctant, the Deep Fathom proceeds towards the co-ordinates given.