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operating provided the BATT switch is OFF or the PARKING BRAKE is set.
2.4.4.1 External Power Switch. The external power switch, located on the ground power panel on the
left console, is spring loaded to the NORM position (figure 2-11).
RESET Momentary actuation allows external power to be applied.
NORM Aircraft buses are energized by external power, provided the switch was first positioned
to RESET. The switch returns to OFF when external power is disconnected.
OFF Disconnects external power from the aircraft.
2.4.4.2 Ground Power Switches. The four ground power switches are located on the ground power
panel on the left console (figure 2-11). Each switch controls a group of systems and/or instruments, as
listed on a placard above the panel.
A ON Only systems/instruments listed for the A position are energized by external
power.
AUTO All controlled systems/instruments are deenergized with external power on the aircraft.
When a generator comes online, the switch(es) automatically revert to
AUTO.
B ON All controlled systems/instruments (both A and B) are energized by external
power.
A1-F18EA-NFM-000
I-2-31 ORIGINAL
The first ground power switch placed to ON must be held for 3 seconds to complete an avionics
overheat BIT. If an avionics overheat condition is present, the switch(es) revert to AUTO and cannot
be returned to ON until the condition is corrected.
2.4.5 Circuit Breakers. The circuit breaker panels (figure 2-12), located under each side of the
canopy sill outboard of the left and right consoles, contain the following circuit breakers:
Left Side Right Side
LAUNCH BAR
FCS CHAN 2
FCS CHAN 1
FCS CHAN 3
FCS CHAN 4
HOOK
LG
2.4.6 Electrical System Cautions and Caution Lights. The following electrical system cautions and
caution lights are described in the Warning/Caution/Advisory Displays in Part V:
· L or R GEN caution and caution light
· GEN TIE caution light
· BATT SW caution and caution light
· L or R DC FAIL caution
2.5 LIGHTING
2.5.1 Exterior Lighting. Exterior lighting is utilized to highlight aircraft position and aspect to other
aircraft, to provide AOA indications to a landing signal officer (LSO), and to light the aircraft path for
Figure 2-11. Ground Power Panel and Placard
A1-F18EA-NFM-000
I-2-32 CHANGE 1
inflight refueling, landing or taxi. The following exterior lights are provided: strobe lights, position
lights, formation lights, approach lights, refueling probe light, and landing/taxi light (figure 2-13).
Strobe lights and formation lights have two operating modes, normal and NVIS.
2.5.1.1 Exterior Lights Master Switch. The exterior lights master switch, located on the outboard
side of the left throttle grip, provides master control of all exterior lighting except the approach and
landing/taxi lights.
NORM
(Forward)
Power is available for controlled lighting (strobe and formation lights in normal
mode)
NVIS
(Center)
Power is available only to the strobe and formation lights in NVIS mode
OFF
(Aft)
Power is removed from all controlled lighting
2.5.1.2 Pattern Strobe Lights. Two red anti-collision strobe lights, one on each outboard vertical tail,
are provided to highlight aircraft position during both day and night operations. Each strobe light
contains two bulbs, one normal and one infrared (IR). The external lights master switch determines
which pair of bulbs are powered by the STROBE switch.
2.5.1.2.1 STROBE Switch. The STROBE switch, located on the EXT LT panel on the left console,
is used to apply power and control the brightness of the strobe lights.
BRT Strobe lights on at full intensity (normal or NVIS mode)
OFF Strobe lights off
DIM Strobe lights on at reduced intensity (normal or NVIS mode)
2.5.1.2.2 IDENT Switch. Pattern selection is controlled by the IDENT switch on the exterior lights
panel. The IDENT switch can be set to select strobe patterns of NORM, or A through F. For night
Figure 2-12. Circuit Breaker Panels
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I-2-33 ORIGINAL
Figure 2-13. Exterior Lights
A1-F18EA-NFM-000
I-2-34 ORIGINAL
carrier landings the IDENT switch should be in the NORM position. Refer to figure 2-14 for possible
strobe patterns. Possible strobe patters are as follows:
NORM Strobe light flashes 3 times, pauses for 2.44 seconds, then repeats pattern
A Strobe light flashes 2 times, pauses 1.92 seconds, then repeats pattern
B Strobe light flashes once, pauses 0.64 seconds, flashes 2 times, pauses 2.56 seconds, then
repeats pattern
C Strobe light flashes 2 times, pauses 0.64 seconds, flashes once, pauses 2.56 seconds, then
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NATOPS Flight Manual 飞行手册 1(45)
