TB 43-0149
Figure 51. Circuit layout heliport in combat area.
prevented by attaching 3 guy cables to the mounting
(1) The power cables are laid out as indicated in
stake adapter and securing each cable to one of 3
stakes spaced evenly in a circle around the approach
located, stakes are driven into the ground. The marker
light. The air traffic control light is connected through
floodlight fixtures are mounted on the stakes using the
the 115/7 volt transformer to the control panel.
mounting adapters (figure 5) and the fixture leads
connected in parallel by means of adapter connectors to
(2) If the direction of approach is reversed, the
the floodlight power cable. These fixtures are identical
glide angle approach light is moved to a similar position
to those used in the runway lighting set. The floodlight
on the opposite side of the landing area and placed so
hood is then fastened to the mounting adapter in the
that it faces the new direction approach.
same manner as described in paragraph 5a (2). The
glide angle approach light is placed to the left of the left
B .Noncombat Area. The circuit layout for a
floodlight as seen from the direction of approach. The
approach light is leveled and connected to the approach
noncombat area is shown in figure 52. The procedure
light power cable from the control panel. Shifting of
for laying out the lighting circuits is the same as that for
approach
light
due
to
rotor
downwash
is
a combat area with the following modifications:
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