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Chapter 10 - Aviation Maps: The Art of the Chart
                                                                                                              10-9



              Roads are excellent visual checkpoints for navigation   The arrow points to the same road shown in Figure 21A.
               by pilotage.

















              Fig. 21A                                                                                  Fig. 21B

            Railroad Tracks  –  Railroad
          tracks (Figure 22A) are often rela-
          tively easy to identify from the air     Railroad tracks can make good       Railroad tracks from Figure
          (see Figure 22B), especially if you’re   checkpoints.                        22A as seen from the air.
          at a fairly low altitude. This is partic-
          ularly true when a train lopes along
          the tracks (it’s rare to see trains
          moving without tracks. If you see
          one, take a picture and send it to
          me—it’s worth millions).
            Wires – Power transmission wires
          and telephone lines are depicted on
          charts as shown in Figure 23A. These     Fig. 22A                                             Fig. 22B
          wires are usually a lot easier to see
          on the chart than they ever are from
          the air (Figure 23B). They’re not                                          Power lines similar to those in
          very wide, and they tend to blend in     Power transmission lines          Figure 23A.
          with the terrain below, though you       are sometimes difficult to see
                                                   from the air.
          might have some success spotting the
          supporting towers. I’d be cautions
          about relying on them as my sole
          source of VFR landmarks or check-
          points for any cross country flight.
            Shorelines, Rivers & Streams –
          Shorelines for coastal areas along
          with piers, wharves and jetties are
          excellent landmarks as shown in         Fig. 23A                                               Fig. 23B
          Figure 24A and 24B. Other large


               Shorelines, wharves and piers are excellent checkpoints.  Shoreline from Figure 24A as seen from the air.













             Fig. 24A                                                                                     Fig. 24B
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