
FTS 370d/w/r Revision 10 – 1/09/2015 11
FH 370d/w/r
FH 370d/w/r, shown in Figure 1-6, is
divided into two sections: light engine,
and base assembly. The light engine is
comprised of highly efficient LEDs which
are focused by Fresnel optics to produce
the required output per FAA specifications
for the following types: L-864/865 (dual),
L865 (white), L-866/885 (dual Catenary),
L-885 (white Catenary) or L-866 (red
Catenary) beacons.
1
In the event service is
required, the light engine is field
replaceable as a single assembly. The
base assembly contains a terminal block
for connection of the flashhead cable and a
surge protection PCB that is placed in line
between the output of the terminal block
and input to the light engine.
FH 370d IR
1
(Infrared) is visually
identical to Figure 1-6. It incorporates all
features of the FH 370d and adds 12
infrared LEDs. The addition of IR ensures
visibility of the obstruction to pilots aided
by NVG (night vision goggles). The
combination of standard Red (620nm)
LEDs and IR (850nm) LEDs ensures
maximum visibility to pilots in all
circumstances.
1. The application type must be specified when
ordering a flashhead or replacement light engine.
Figure 1-6 – FH 370d/w/r
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