Deals primarily with data from cruises of the Edisto, summers 1964-65, and 1965 drift of Arlis II; supported by the Office of Naval Research through the Arctic Institute of North America. Pt 1 summarizes previously published papers on the East Greenland Current, notes some bathymetric features of the western Greenland Sea and its water masses, and discusses general features of the velocity field, mean velocities and volume transports of the current.