T-45A UJPT, E2-C2, ADV, & IUT Eng-21
CNI System
(1) Provides navigation information
using nationwide VOR system
(2) Remote receiver controlled via
separate panels in fwd and aft
cockpits
(3) Power/frequency selector on
VOR/ILS control panel set to PWR
(4) VOR/ILS control panel: frequency
tuned
(5) COMM/NAV control transfer panel:
allows either pilot to give or take
control and directs output display
on HSIs and ADIs in both cockpits
(6) Transmitted ground signals routed
Sg 3, fr 3
through the VOR/LOC antenna,
processed and displayed
(a) Reference and variable phase
signal
(b) Differences being directly
related to the magnetic
VOR DISPLAYS
bearing of the ground station
from or to the aircraft
(c) Receiver processes ground
station signals and the
heading input signal from
SAHRS to provide output
(magnetic bearing)
(d) Displays TO/FROM
indications, course deviation
and the VOR radial on
the No. 1 pointer and NAV
flag (system failure) on HSI
(8-03) Original
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