ILS Procedures
T-45C IUT BIFP-06
D.
Aircraft instrument indications (ILS)
1.
ADI
Sg 1, fr 7, pg 1
a.
Localizer steering needle displays
localizer when ILS is selected steering
b.
Glideslope steering needle displays
deviation from glidepath
ILS DISPLAY––ADI AND HSI
c.
Both steering needles are referenced
to the aircraft symbol
d.
Steering needles will flash when they
reach display limits
2. HSI
Sg 1, fr 7, pg 2
a.
ILS steering option replaces VOR
when an ILS frequency is selected on
the VOR/ILS control panel
b.
ILS course deviation only available
ILS DISPLAY––ADI AND HSI
when only ILS steering selected
c.
CDI course line displays deviation left
Sg 1, fr 7, pg 3
or right of centerline; each dot
represents 1-1/4 degrees deviation
d.
Since ILS course deviation is relative,
the course (CRS) setting does not
affect ILS deviation indications
ILS DISPLAY––ADI AND HSI
NOTE: It is prudent to set the ILS
course so that the course line deviation
represents the actual ILS approach
course deviation.
e.
When ILS steering and TCN, waypoint
or waypoint offset steering is selected,
the course deviation line displays
TACAN, waypoint or waypoint offset
course deviation
(4-01) Original
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