departure - the last pilotage fix by a vessel prior to its putting to sea.the last pilotage fix by a vessel prior to its putting to sea. 2. the distance to east or west made good by a vessel.the distance to east or west made good by a vessel. Cartography. the orthographic projection of a line on an east-west axis of reference, giving the difference of the meridian distances or longitudes of the ends of the line; the departure is positive for a line having an azimuth or bearing in the northeast or southeast quadrant, and negative for a line having an azimuth or bearing in the southwest or northwest quadrant. ; дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр http://www.harcourt.com/dictionary/def/2/8/8/6/2886800.html;