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signals. The receiver decodes the signals and computes time, range, and position of the
aircraft and other navigation parameters. The GPS satellites are controlled by a master
control station in Colorado Springs, Colorado, USA. The receiver is a fifteen--channel unit
that is capable of tracking up to twelve satellites but must track at least four satellites to
measure the corresponding ranges.
The FMS control display unit provides the pilots with access to GPS data and control
settings. GPS information is displayed on the multifunctional displays.
NOTE
Refer to the FMS--4200 Pilot’s Guide for further
information.
REV 56, Jan 31/03
Vol. 1 18--25--2
NAVIGATION SYSTEMS
Global Positioning System
Flight Crew Operating Manual MASTER
CSP A--013
Global Positioning System <MST>
Figure 18---25---1
GPS 1
RECEIVER
IAPS
AHRS
ADC 1
ALT AID
ANTENNA
IRS
<0025>
FMS
1 2 3
4 5 6
7 8 9
· 0 +/--
A
F
K
P
U
Z
B
G
L
Q
V
SP
C
H
M
R
W
DEL
D
I
N
S
X
/
E
J
O
T
Y
CLR
LABEL 1L
LABEL 2L
LABEL 3L
LABEL 4L
LABEL 5L
LABEL 6L
LABEL 1R
LABEL 2R
LABEL 3R
LABEL 4R
LABEL 5R
LABEL 6R
DATA1L DATA1R
DATA2L DATA2R
DATA3L DATA3R
DATA4L DATA4R
DATA5L DATA5R
DATA6L DATA6R
TITLE LINE 1 / 3
[ SCRATCHPAD ]
MSG EXEC
MOD BRT
MSG DIR
INTC
PREV
FPLN PAGE NEXT
PAGE
MDCU EXEC
LEGS MENU
HOLD
VNAV
DEP
ARR
SEC
FPLN
RADIO
PERF
MFD
MENU
PROG
MFD
ADV
MFD
DATA
INDEX FIX
GPS 2
RECEIVER
28 VDC
BUS 1
H--13
GPS
2
ANTENNA
CBP--3
28 VDC
BUS 1
G--11
GPS
1
28 VDC
BUS 1
G--11
GPS
1
CBP--1
<0027>
<0027>
<0027>
<0027>
Vol. 1 18--25--3
REV 56, Jan 31/03
NAVIGATION SYSTEMS
Global Positioning System
Flight Crew Operating Manual
CSP A--013
MASTER
Multifunction Display (2) Pilot’s and Copilot’s Instrument Panels <MST>
Figure 18---25---2
Status of other LRN equipment:
Dual IRS installation shown. Data displayed
is dependent upon current mode of the
navigation equipment.
Multifunction Display
<0025>
This page displays the position difference between
each sensor (including GPS) and the FMS position
estimate.
GPS Status
The position difference (POS DIFF) is in the format
of radial / distance.
GPS use / availability (USE) by the FMS is indicated
by either a YES, NO or DIS. YES indicates that the
FMS is using that GPS information in the
computation of its present position. NO indicates
that the error between the calculated FMS position
and the GPS source is too great and the FMS has
chosen to disregard the input. DIS indicates that the
crew has chosen to disable the inputs from the GPS.
Multifunction Display
<0025>
<0025>
GPS Status
GPS Position (LAT/LONG).
Track and speed (TRK/SPD).
Mode of operation and number of satellites
tracked.
RAIM accuracy limit (also known as
Horizontal Integrity Limit (HIL).
Measured accuracy limit (also known as
Horizontal Uncertainty Limit (HUL).
<0027>
<0027>
<0047>
<0024>
<0050>
<0027>
<0027>
<0047>
REV 56, Jan 31/03
Vol. 1 18--25--4
NAVIGATION SYSTEMS
Global Positioning System
Flight Crew Operating Manual MASTER
CSP A--013
A. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
Global
Positioning
Receiver
GPS 1 DC BUS 1 1 G11 <0047>
System
GPS 2 DC BUS 2 3 H13 <0027>
Vol. 1 18--30--1
REV 56, Jan 31/03
NAVIGATION SYSTEMS
VHF Navigation
Flight Crew Operating Manual
CSP A--013
MASTER
1. VHF NAVIGATION
There are two VHF navigation systems installed on the aircraft. The systems are identified
as VHF/NAV 1 and VHF/NAV 2. The systems provide the following functions:
S VHF omnidirectional range (VOR)
S Localizer/glideslope (LOC/GS)
S Marker beacon (MB).
Frequency tuning and mode selection can be done by two radio tuning units, a single
　
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