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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