This data set was acquired with a ship-based Navigation system during Knorr expedition KN182-03 conducted in 2005 (Chief Scientist: Peter Lemmond). These data files are of Shapefile format and include Navigation data and were processed after data collection. Data were acquired as part of the project(s): Hydroacoustic Monitoring of Seismicity in the North Atlantic, and funding was provided by NSF grant(s): OCE01-37164.