1-1
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.
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