Cessna 172 - Page 20

the vertical fin, a strobe light on each wing tip, and two courtesy lights,
one under each wing, just outboard of the cabin door. The courtesy lights
are controlled by the dome light switch located on the overhead console.
All
other exterior lights are controlled by rocker type switches located
on the left switch and control panel. The switches are ON in the up posi-
tion and OFF in the down position.
, _
The flashing beacon should not be used when flying through clouds ,,o r
overcast; the flashing light reflected from water droplets or particles in
the
atmosphere, particularly at _night, can produce vertigo and loss of -
orientation. · ·
. .
The two high intensity strobe lights will enhance anti-collision . pro-
tection. However, the lights ' should be turned off when taxiing in the
vicinity of other aircraft, or during flight through clouds, fog or haze.
.. . . . .. . '
INTERIOR LIGHTING.
Illumination of the instrument panel is provided by. red flood lighting
in the
forward portion of the overhead console. The magnetic compass
and radio equipment have integral lighting. A dual rheostat control on the
left switch and conh~ol . pan, el operates these lights. The inner knob, la-
beled PANEL, operates the fostrument panel antj. compass lighting. The
outer knob,. labeled RADIO, controls : aJl radio lighting.
. . : .
A cabin dome light is locateµ in, the overhead console, and is operated
by a switch adjacent to the light. To turn the light on, move the switch to
the
right. This will also operate the optional courtesy li~hts.
An optional map : ligbt . ~ay be mount~ci on the bottom of · lhe pilot's ·
control wheel. The light illuminates the lower portion of the· cabin, just
forward · or t~ . e pilot, and. is helpful when ch~cking maps and other flight
data · during night operations. To o· perate the light, first turn on the NAV
LT switch, then adjust the map, light's . intensity .with the disk 'type rheostat
control located on the bottom o{ the control wheel. ·
A
doorpost map)ight is also offez:ed as optional -equipment, and is
located at the top of the left forward doorpost. The light contains both
red and white bulbs, and may be positioned to illuminate any area de-
sired by the pilot. A switch on the left forward doorpost is labeled RED,
OFF, and WHITE. Placing the switch in the top position will provide a
red light. In the bottom position, standard white lighting is provided.
The
center position is OFF.
2-7
: I