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B. Navigation Lighting
A dual navigation light system is installed in the aircraft for additional dispatch reliability.
The navigation lights consists of two red lights in the left wing tip, two green lights in the
right wing tip, one white light on the aft end of the vertical stabilizer and one white light
on the aft end of the tail cone. The lights provide visual tracking and orientation of the
aircraft in relation to an observer. The navigation lights are controlled by a NAV switch
on the EXTERNAL LTS panel.
C. Beacon Lights <0021>
Two red beacon lights are installed on the aircraft to permit the aircraft to be seen from
a distance. One light is installed on the top of the fuselage and one light is installed on
the bottom of the fuselage. The lights are controlled by a BEACON switch on the
EXTERNAL LTS panel. The lights are also used during ground operations to provide
indication that the aircraft is powered and may have engines running.
D. Anti--Collision Strobe Lights
There are three white anti-collision strobe lights on the aircraft. One light is installed in
each wing tip and one is installed on the aft end of the tail cone next to the navigation
light. They are synchronous lights that flash continuously. The light are controlled by a
STROBE switch on the EXTERNAL LTS panel.
E. Logo Lighting <0020>
A white logo light is installed on the upper surface of each engine pylon to illuminate the
airline logo on each side of the vertical stabilizer. The lights are controlled by a LOGO
switch on the EXTERNAL LTS panel.
F. Wing Inspection Lighting
A white wing inspection light is installed on each side of the fuselage just forward of the
wing. The lights are controlled by a WING switch on the EXTERNAL LTS panel. The
light allows the pilots to monitor the wing leading edges for ice accumulation.
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LIGHTING
External Lighting
Flight Crew Operating Manual
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MASTER
G. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
LDG/TAXI LTS
R WING AC BUS 2 2 C15
Landing/Taxi
Lights
LDG/TAXI LTS
L WING AC BUS 1
1
C15
g
PULSE LTS
<0031>
Nose Landing
LDG/TAXI LTS
R NOSE AC BUS 2 2 C14
Lights LDG/TAXI LTS
L NOSE AC BUS 1 1 C14
External
Lighting Navigation
Lights
NAV DC SERV
BUS 2 U1
NAV LTS AC BUS 1 1 C13
Anti-Collision REAR A/COLL DC BUS 1 1
Anti G8
Lights WING A/COLL DC BUS 2
Beacon Lights
<0021>
BEACON LTS DC SERV
BUS 2
U7
Logo Lights
<0020>
LOGO LTS AC SERV
BUS S5
Wing
Inspection WING INSP DC BUS 1 1 G9
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External Lighting
Flight Crew Operating Manual MASTER
CSP A--013
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LIGHTING
Emergency Lighting
Flight Crew Operating Manual
CSP A--013
MASTER
1. EMERGENCY LIGHTING
Emergency lighting consists of internal and external lighting that is provided for the
passengers and crew in the event of an emergency evacuation from the aircraft.
External emergency lights provides illumination of the overwing evacuation exit paths and
exterior areas around the passenger door and the service door.
Internal emergency lighting provides emergency lighting to the passenger cabin, emergency
exits and interior exit paths. The internal emergency lights include lighted exit signs near the
emergency exits at floor level, at eye level and on the ceiling. There are ceiling flood lights
installed along the length of the passenger compartment and floor-level flood lights at the
passenger and service doors. Electroluminescent green lights, installed along the floor next
to the right side passenger seats, provide illuminated escape path routing to the emergency
exits. The electroluminescent lights have orange overlays at the emergency exits.
Electrical power for all emergency lighting is supplied by four self-contained battery packs.
Each battery pack contains 6 nickel-cadmium batteries (providing 7.2 volts DC) that are
designed to illuminate all emergency light systems for approximately 15 minutes. The
battery packs are supplied with a trickle charge from the DC essential bus.
Emergency lighting is controlled by a cockpit switch on the EMERG LTS panel (located on
the overhead panel) or by a guarded EMERG LIGHTS switch on the forward flight
attendant’s panel. The emergency lights can be manually turned on using either switch.
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