Instrument Failures and GPS/INS Failures
T-45C TS & ADV BIFP-09; IUT BIFP-05
XII. Radar altimeter failure
Sg 12, fr 2
INSTRUMENT FAILURES
A. Lose height-above-ground reference
* GINA failure
* Standby attitude indicator
failure
*
MFD failure
* AOA indicator failure
B. No standby radar altitude
*
HSI failure
* Radar altimeter failure
*
ADI failure
* VOR failure
*
Turn and slip
* TACAN bearing/DME
indicator failure
failure
C. No low altitude warning
*
Pitot static
* ILS glideslope failure
malfunctions
*
Airspeed indicator * ILS localizer failure
failure
D. AV BIT displayed if radar altimeter detected
*
Barometric
* ILS marker beacon failure
altimeter failure
failure and degraded (DEGD) shown on BIT
*
Vertical speed
* Flight with partial panel
indication failure
display
Sg 12, fr 3
E. Procedure for dealing with radar altimeter failure
1.
Use barometric altimeter
NAVY
ON
2.
Confirm correct altimeter setting
3.
Monitor barometric altimeter closely on an
D
N
OFF
instrument approach; there is no LAW
RADAR ALTIMETER FAILURE
Sg 12, fr 4
PROGRESS CHECK
Question 9 — 1.8.1.7.6.2
Which of the following steps should be employed
when dealing with failure of the standby AI?
a)
Reset the standby gyro inverter
b)
Use the ADI display
c)
Check the electrical system.
D
N
OFF
d)
Watch for possible progressive failure.
BIT DISPLAY
Answer: b, c, d
Question 10 — 1.8.1.7.4.2
The correct procedure for dealing with an AOA
indicator failure is to fly __________ instead of
angle of attack.
Answer: calculated approach airspeed
Page 9-22
(4-01) Original
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