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A basic KLN 90B system consists of a panel mounted
KLN 90B GPS sensor/navigation computer, a data base
cartridge, and an antenna. An altitude input is required to
obtain full navigation and operational capabilities.
Additional system components may be added or inter-
faced to the KLN 90B which increase its features and
capabilities. Some of these optional components include
an external course deviation indicator (CDI) or HSI, RMI,
fuel management system, air data system, ARTEX ELS-
10 emergency locator transmitter (ELT), autopilot, and
external annunciators.
Rev 1
CHAPTER 1 - KLN 90B SYSTEM COMPONENTS
The KLN 90B panel mounted unit contains the GPS sen-
sor, the navigation computer, a CRT display, and all con-
trols required to operate the unit. It also houses the data
base cartridge which plugs directly into the back of the
unit.
The database cartridge is an electronic memory contain-
ing a vast amount of information on airports, navaids,
intersections, special use airspace, and other items of
value to the pilot. The database is designed to be easily
updated by the user by using a laptop computer and
AlliedSignal furnished 3.5 inch diskettes. The database
may also be updated by removing the obsolete cartridge
and replacing it with a current one.
AIRCRAFT
POWER
11/33V
KA 92 OR KA 91 ANTENNA
ALTITUDE
COMPATIBLE
FUEL
MANAGEMENT
SYSTEM
HEADING
AIR DATA
MOVING
MAP
DISPLAYS
ARTEX
ELS-10
ELT
ARINC 429 or
RS 232 INPUT
ALTITUDE ALERT AUDIO
WPT ALERT
MESSAGE
REMOTE ANNUNCIATORS
HSI
EHSI
CDI
OR OR
AUTOPILOT
RMI
OR
CRSR
MSG
D
CLR ENT
KLN 90B TSO
GPS
ı
CRSR
PUSH
ON
BRT
APT
VOR
NDB
INT
SUPL
NAV
D/T
ACTV
REF
CTR
CALC
STAT
SETUP
OTHER
NAV
FPL
MODE
TRIP
PULL
SCAN
$=KOSH |=KOSH
+++++Ê+++++|WITTMAN
DIS 683nm|
GS 193kt|
ETE 3:34|N 43^59.06'
BRG 303^|W 88^33.42'
NAV 1|enr-leg |APT 1
ALT
N
GS GS
33
30
W
24
21
S
15
12
E
6
3
ı
NAV HDG
N
S
E
W
TO
FR
33
30
24
21
15
12
6
3
OBS
GS
N
A
V
ı
ı
N
S
E
W
33
30
24
21
15
12
6
3
A
D
F
N
33
30
W
24
21
S
15
12
E
6
3
A
D
F
A
D
F
NAV NAV
B
ALT HDG NAV APR APGS
ALT HDG NAV APR BC
AP
ENG
TEST
KAP 150
YD
RN RC PC
BC
TRIM
ı
DN
UP
ı
M
L
S
1
AZ
359
12.6
NM
N
33
30
W
24
21
S
15
12
E
6
3
ADF 2
11.5
G
S
KI 525A
EHI 40/50
KI 206
KI 229
KNI 582
RS 232
OUTPUT
RS 232
INPUT
GRAY CODE
KLN 90B SYSTEM
GPS APR GPS CRS
REMOTE SWITCH/
ANNUNCIATORS
SELECTED
COURSE
ARINC 429 or
RS 232 INPUT
REQUIRED FOR ALL INSTALLATIONS
REQUIRED FOR ALL IFR APPROACH INSTALLATIONS
OPTIONAL
LEFT/RIGHT
D-BAR