T-45A UJPT, E2-C2, ADV, & IUT Eng-26
Engineering Review
b.
Gyro-stabilizes magnetic compass
information through interface between
remote compass transmitter and SSA
5.
Attitude director indicator (ADI)
Sg 8, fr 2
a.
Function: displays continuous aircraft
attitude in pitch, roll, and heading on
indicator sphere
(1) Depicts 360 degrees of pitch, roll,
and yaw
ATTITUDE DIRECTOR INDICATOR
(2) Presents heading on azimuth
(ADI)
scale around horizon line of
sphere
(3) OFF warning flag indicates any of
following: power failure, a fault
occurs in the ADI internal power
supply, a fault occurs in the ADI
servo loops, or invalid information
is being received from the SAHRS/
NGS
(4) Glideslope (GS) warning flag
indicates glideslope information
not reliable
(5) Localizer (LOC) warning flag
indicates localizer information
not reliable
b.
Subsystem interfaces:
(1) Electrical system prior to AFC 246
(a) 115 VAC nonessential bus:
servo mechanism functions
(b) 28 VDC generator bus: ILS
functions and rate-of-turn
Page 26-70
(8-03) Original
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