Jamieson, Fausset and Brown on Ezekiel 27:8

8. Arvad--a small island and city near Phoenicia, now Ruad: its inhabitants are still noted for seafaring habits.

thy wise men, O Tyrus ... thy pilots--While the men of Arvad, once thy equals (Ge 10:18), and the Sidonians, once thy superiors, were employed by thee in subordinate positions as "mariners," thou madest thine own skilled men alone to be commanders and pilots. Implying the political and mercantile superiority of Tyre.