 Flying down the coast towards New York Ross recognizes where he dreamed Leif Ericson's expedition landed on the coast of Cape Cod; they land to investigate and find the stone with the slaves' names on it.The technical details of a trans-Atlantic flight of this period (late 1930s) are accurate and of interest.The type of aircraft is a fictional radial-engined floatplane intended for bush use, made by a fictional Detroit firm named Cosmos.