T-45C TS, ADV & IUT ENG-20
Flight Instruments Malfunctions
PRESENTATION
I.
GINA and related flight components
Fig 1: GINA and
Related Components:
A. Attitude director indicator (ADI) display failure
Summary of Malfunc-
tion Indications and
1.
Indications
Verifications
a. Blank pitch, roll, and/or heading information
b. Attitude advisory appear
c.
Blank screen
2.
Verifications
a. Standby AI reading differs from ADI
b. Cross-check outside references (e.g., horizon)
c.
Cross-check with rear cockpit
d. Additionally verify by using BIT for equipment status
3.
Effects on flight safety
a. Standby AI provides backup
b. Heading information not available, use standby compass
c.
DEU failure must use standby instruments
B. Horizontal situation indicator (HSI) display failure
1. Indications
a. Blank heading and navigation information
b. Position advisory appear
c.
Blank screen
2. Verifications
a. Known position (e.g., standby compass and outside reference)
at variance with HSI
b. Cross-check HSI reading in other cockpit and if possible with
other aircraft or ATC
Original (9-98)
Page 20-3
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