"It should be noted that this small scale chart is considered to be unsuitable for close inshore navigation, " the UKHO told Lloyds.

BBC: Concordia disaster: House arrest for Captain Schettino

An investigation into the grounding is ongoing, but Navy officials said in January that the U.S. National Geospatial-Intelligence Agency, which prepares the digital navigation charts used by the Navy, has reported the location of the reef was misplaced on a chart by nine miles.

CNN: Minesweeper lifted from Philippine reef