TB 43-0149
stake is placed 24 feet (7.32 meters) from the anchor
stake in such a position that a line drawn from the
(c) The base of the mast is placed at the point of
anchor stake towards the second stake leads directly
erection and the mast oriented on the ground so that it
into the wind. Two more stakes are placed 24 feet (7.32
will be raised against the wind. This is done so that the
meters) from the anchor stake as shown in figure 35.
mast will not be blown over as it approaches the vertical.
One stake (anchor stake) is driven near the point of
erection. Another
Figure 35. Layout of obstacle light lot on the ground, prior to erection.
(d) Before erection, the mast is extended t the
required length. In extending the mast, the outer tube is
secure the sections in the extended position. The
extended first and successive inner tubes thereafter
obstacle light fixture is always mounted on the top of
the smallest tube.
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