Instrument Failures and GPS/INS Failures
T-45C TS & ADV BIFP-09; IUT BIFP-05
PROGRESS CHECK
Question 11 — 1.8.1.7.11.2
Which of the following situations might cause the
radar altimeter “OFF” flag to appear?
a)
Power failure
b)
System turned OFF
c)
Aircraft attitude greater than +/- degrees pitch or roll
d)
There is no radar altimeter “OFF” flag.
Answer: d
XIII. VOR failure 1.8.1.9.8.2
Sg 13, fr 2
INSTRUMENT FAILURES
A. VOR navigation information not displayed if
* GINA failure
* Standby attitude indicator
VOR not tuned, no signal received, or VOR
failure
*
MFD failure
* AOA indicator failure
failure
*
HSI failure
* Radar altimeter failure
*
ADI failure
* VOR failure
*
Turn and slip
* TACAN bearing/DME
indicator failure
failure
B. Procedure for dealing with a VOR failure:
*
Pitot static
* ILS glideslope failure
malfunctions
*
Airspeed indicator * ILS localizer failure
failure
1.
Check that you have navigation control in
*
Barometric
* ILS marker beacon failure
altimeter failure
your cockpit
*
Vertical speed
* Flight with partial panel
indication failure
2.
Check that VOR steering is selected
Sg 13, fr 3
3.
Check for station identification
COMM
VOR TACAN MKR
HOT
MIC
C
O
1
2
COLD
M
RCVR
ICS
M
N
A
O
L
+
R
T
M
4.
Reset desired frequency
NAV
112.30
TEST
VOL
PWR
OFF
5.
Cycle the VOR/ILS control panel to OFF
D
N
OFF
and back ON
REMOVED
SYMBOLS
VOR FAILURE
6.
Check with ATC to determine if the VOR is
in operation, or select another VOR station
that is known to be operating and within
range
7.
Use TACAN (if available) or request radar
vectors
(4-01) Original
Page 9-23
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