Section
VII
Systems
Description
LIGHTING SYSTEMS
INTERIOR LIGHTING
BEECHCRAFT
Duchess
76
Lighting for the instrument panel
is
controlled
by
two rheostat
switches located
on
the copilot's subpanel to the right
of
the
control console. One switch, placarded INSTR FLOOD, con-
trols the intensity of the overhead instrument flood light and
the
overhead map light. The other switch, placarded POST
LIGHTS, adjusts the intensity
of
all post lights installed, mag-
netic compass light, and the internally lit engine instruments.
The
cabin dome light is controlled by the switch located
adjacent to the light.
EXTERIOR LIGHTING
The
switches for all exterior lights are located on the lower
portion
of
the pilot's subpanel. Each circuit is protected
by
a
circuit-breaker-type switch.
The
exterior lights consist of a landing light
on
the outboard
leading-edge portion of the left wing, a taxi light on the
outboard leading-edge portion of each wing, navigation lights
on
the wing tips and empennage, and a strobe light located
on
each wing tip. For longer battery and lamp life, use the
landing light and the taxi lights sparingly; avoid prolonged
operation which could cause overheating during ground ma-
neuvering.
NOTE
Particularly at night, reflections from anti-
collision lights on clouds, dense haze,
or
dust
can produce optical illusions and intense vertigo.
Such lights, when installed, should be turned off
before entering an overcast; their use may not
be
advisable under instrument
or
limited VFR condi-
tions.
7-34
January
1978
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