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light also utilizes a dual light system. These consists of two identical high intensity halogen lamp in each unit. The
upper unit is used as the secondary and the lower unit is used as the primary tail navigation light.The NAV switch controls
the navigation lights and is located on the LIGHTING panel. Optional logo lights are mounted on the top rear of the engine
pylons and are powered from the RH Aux bus. The NAV light switch is replaced with a three position switch to include the
logo light option.
The strobe/beacon lights are supplied with power from a dedicated power supply. The color of the strobe/beacon light system
can be selected white or red. The red light system will generally be used for ground operations since it minimizes the
unfavorable effects on vision of the crew or on personnel outside the aircraft during ground handling. The light emission
of the red light is reduced and cannot be used as a backup anti-collision light. The shape of the strobe/beacon lights minimizes
aerodynamic drag. The STROBE BCN switch controls the red beacon lights, white anti-collision strobe lights and
the optional wing anti-collision strobe lights. The flight data recorder (FDR) is activated as soon as the STROBE BCN
switch is selected to either position.
The nose gear landing light is designed to illuminate the ground reference during the final approach, during takeoff and
also to illuminate any major obstructions in the approach area or on the runway.
The taxi light, also mounted on the nose gear, is designed to illuminate the ground reference during takeoff and taxi. The
N LDG/TAXI switch is a three position switch, with the center position only powering the taxi light. In the N LDG/TAXI
position, both lights on the nose gear will illuminate. They are also controlled by the proximity-sensor electronic unit
(PSEU) and powered when the landing gear is in the down and locked position.
The two high intensity discharge (HID) landing lights are incorporated in the wing-to body fairing. This system is designed
to provide sufficient illumination for night landing and recognition and also to ensure that no objectionable glare is visible
to the pilots. The L and R LANDING switches, located on the LIGHTING control panel, activates the left and/or right HID
landing lights respectfully.
WING
INSP NAV STROBE
SMKG/
BELTS
OFF
ON
OFF OFF OFF
OFF OFF OFF OFF
L N LDG/TAXI R
TAXI
ARM
BELTS
BCN
LIGHTING
EMER LTS LANDING
CFO1601002_011
NAV
PRI
SEC
LIGHTING
May 06/2005 Flight Crew Operating Manual Volume 2
REV 2 CSP 100-6 16-01-09
ENTRANCE AND CABIN LIGHTING
COMPONENTS AND OPERATION
The stair lighting system contains seven stair lights. The stair lights contain four light-emitting diodes (LEDs) each and
they receive 28 vdc electrical power from the L BATT BUS. The lights are controlled ON and OFF by the STAIR LIGHTS
switch located on the wardrobe bulkhead aft of the passenger door. The lights are also controlled by a microswitch in the
door frame that turn off the lights when the passenger door is in the closed and locked position.
Cabin lighting (except entry/exit lighting) is powered by the LEFT and RIGHT MAIN busses. Primary cabin lighting control
is through the main entryway control panel which is located on the left storage cabinet, aft of the cabin door. An optional
CABIN LIGHTS control panel is located on the center pedestal in the flight compartment.
Cabin lighting consists of:
CARGO BAY LIGHT
Selection of the cargo bay light is by a switch mounted inside the cargo bay. The switch is automatically switched off when
the cargo bay door is closed. The cargo bay light is powered from the hot bus system
ENTRY/EXIT LIGHTS
The cabin entry/exit door light illuminates the passenger door steps. This light is controlled by the ENTRY light switch and
is powered by the hot bus, regardless of the BATT switch position.
GALLEY LIGHTS
Fluorescent lighting is provided for the passenger refreshment area.
LAVATORY LIGHTS
Lavatory lights consist of two overhead spotlights (one located above the left cabin stowage area, and one located above
the toilet) and wraparound overhead fluorescent lights (covered with lenses). Control of the spotlights is by the lavatory
control panel and the main entryway control panel. The fluorescent light is controlled by the LAV LIGHT switch on the
main entryway control panel and the LAV LIGHT switch on the lavatory control panel.
OVERHEAD LIGHTS
The overhead lights consist of indirect LED lighting located within the cabin passenger service unit. Covered by lenses,
the overhead lights are controlled by the CABIN LIGHT switch on the main entry control panel.
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