gistfile1.txt

var plane_symbol = {
        path: 'M 10.942,0 C 10.627,0 10.362,0.115 10.141,0.347 9.926,0.575 9.816,0.846 9.816,1.152 V 7.945 L 0,13.94 v 2.358 l 9.819,-3.11 v 5.127 L 7.63,20.393 V 22 L 11.001,21.022 14.31,22 V 20.392 L 12.189,18.316 V 13.188 L 22,16.296 V 13.938 L 12.188,7.946 V 1.152 C 12.188,0.845 12.063,0.574 11.832,0.346 11.594,0.115 11.314,0 11.001,0 h -0.059 z',
        fillColor: "blue",
        fillOpacity: 0.05,
        strokeOpacity: 0.3,
        scale: 1,
        anchor: new google.maps.Point(11, 3)
      };

var flightPath = new google.maps.Polyline({
        path: flight_path_coordinates,
        icons: [{
          icon: plane_symbol,
          offset: '20%'
        }],
        strokeColor: "#0000FF",
        strokeOpacity: 0.5,
        strokeWeight: 0.5
      });