T-45C TS, ADV & IUT ENG-21
CNI System
REFRESHER
Recall the basic COMM/NAV components and that:
*
VOR/ILS and TACAN develop outputs to other systems
*
Other systems may interface with COMM/NAV components
*
The primary Navy navigation system is TACAN and the
primary civil aviation system is VOR/ILS
*
The primary military communication frequencies are in the
UHF band and the primary civil communication frequencies
are in the VHF band
PRESENTATION
I.
Major CNI components 1.4.18.3.1
Sg 1, fr 2
Lesson Organization
A.
Communications system (AN/ARC-182)
CNI SYSTEM
1.
COMM 1/COMM 2 radio system
* Major CNI components
* Controls and operational
characteristics--communication
a.
UHF/VHF control panels
system
* Controls and operational
characteristics--navigation
NOTE: The T-45C is equipped with two
system
independent comm radios, which should
* Antenna locations (CNI)
reduce incidents of lost comm and provide
more efficient communication.
Sg 1, fr 3
Fig 1: Communica-
tions System--Major
(1) Location
Components
(a) COMM 1: center pedestal, both
cockpits
(b) COMM 2: right console, forward of
IFF control panel, both cockpits
b.
UHF/VHF receiver/transmitters (RTs): fwd
avionics bay (COMM 1 and COMM 2)
Page 21-3
(9-98) Original
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