Instrument Failures and GPS/INS Failures
T-45C TS & ADV BIFP-09; IUT BIFP-05
XVI. ILS localizer failure 1.8.1.9.10.2
Sg 16, fr 2
INSTRUMENT FAILURES
A. Localizer failure
* GINA failure
* Standby attitude indicator
failure
*
MFD failure
* AOA indicator failure
1.
LOCALIZER advisory window displayed on
*
HSI failure
* Radar altimeter failure
*
ADI failure
* VOR failure
all MFD displays
*
Turn and slip
* TACAN bearing/DME
indicator failure
failure
*
Pitot static
* ILS glideslope failure
malfunctions
2.
Glideslope and localizer needles removed
*
Airspeed indicator * ILS localizer failure
failure
from ADI and HUD, center portion of CDI
*
Barometric
* ILS marker beacon failure
altimeter failure
course line removed if ILS is only steering
*
Vertical speed
* Flight with partial panel
indication failure
selected
Sg 16, fr 3
B. Procedures for dealing with localizer failure
1.
Execute missed approach and perform
another type of approach (VOR, TACAN,
PAR, ASR, or VFR)
2.
Press REJ button to remove advisory
LOCALIZER FAILURE
window
XVII. ILS marker beacon failure 1.8.1.9.11.2
Sg 17, fr 2
INSTRUMENT FAILURES
A. The outer marker beacon light does not
* GINA failure
* Standby attitude indicator
illuminate when overflying an ILS with marker
failure
*
MFD failure
* AOA indicator failure
beacons
*
HSI failure
* Radar altimeter failure
*
ADI failure
* VOR failure
*
Turn and slip
* TACAN bearing/DME
indicator failure
failure
NOTE: If an outer marker (OM) is incorporated
*
Pitot static
* ILS glideslope failure
malfunctions
in an ILS approach, which is not always the
*
Airspeed indicator * ILS localizer failure
failure
case, the ILS final approach fix (FAF) will be
*
Barometric
* ILS marker beacon failure
altimeter failure
coincidental with the OM.
*
Vertical speed
* Flight with partial panel
indication failure
B. If the OM does not illuminate, the approach may
Sg 17, fr 3
still be flown if the ILS approach plate also gives
TACAN/DME, radar, or TACAN crossing radials
WYK
Chan 125
for determining the FAF
C. Defining FAF is important:
LOCALIZER110.8
Chan 40
1.
Determining when to begin descent to MDA
MARKER BEACON FAILURE
on a localizer approach
2.
Glideslope intercept point for an ILS
approach
Page 9-26
(4-01) Original
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