Instrument Failures and GPS/INS Failures
T-45C TS & ADV BIFP-09; IUT BIFP-05
PROGRESS CHECK
Question 8 — 1.8.1.7.8.2
With a failed VSI, you may cross-check the vertical
speed with the clock and altimeter to gauge vertical
velocity. A 600 fpm vertical velocity is equivalent
to:
a) 200-ft change in 15 seconds
b) 300-ft change in 20 seconds
c) 200-ft change in 20 seconds
d) 150-ft change in 20 seconds
Answer: c
X.
Standby attitude indicator failure 1.8.1.7.6.2
Sg 10, fr 2
INSTRUMENT FAILURES
A. No cross-check of ADI attitude available
* GINA failure
* Standby attitude
indicator failure
*
MFD failure
* AOA indicator failure
*
HSI failure
* Radar altimeter failure
B. Power-off flag does not have to be present for
*
ADI failure
* VOR failure
*
Turn and slip
* TACAN bearing/DME
the indicator to give a false reading; it only
indicator failure
failure
*
Pitot static
* ILS glideslope failure
signifies lack of electrical power
malfunctions
*
Airspeed indicator * ILS localizer failure
failure
*
Barometric
* ILS marker beacon failure
NOTE: After loss of power with the power-off
altimeter failure
*
Vertical speed
* Flight with partial panel
flag in view, the standby AI provides reliable
indication failure
attitude reference for up to 9 minutes after the
power failure.
Sg 10, fr 3
C. Procedure for dealing with a standby AI failure
is:
1.
Use the MFD ADI display
2.
Check the electrical system
STANDBY ATTITUDE INDICATOR
3.
Watch for possible progressive failure of
other instruments or systems
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