T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
IX. Flight instruments
Sg 11, fr 1
GINA Major Related
A.
Flight instrument system major components
Component Location
1.
Global Positioning System/Inertial Navigation
Assembly (GINA)
a.
The GINA provides all attitude (digital and
analog), acceleration, position heading and time
information to the Display Electronics Unit
(DEU) over the MIL-STD-1553B MUX BUS for
ADI, HSI and HUD displays
b.
GINA
(1) Function:
(a) An inertial system using three (3) ring
laser gyros and three accelerometers
mounted on the three (3) aircraft axes
(b) Provides acceleration and rotation
(c) The embedded GPS receiver receives,
tracks and processes GPS signals
from the GPS antenna
(d) The GPS and Inertial System
Navigation Data is sent to the DEU,
Yaw Damper Controller (YDC), Mission
Data Loader (MDL) and the VOR/ILS/
MB over the MIL-STD-1553B MUX
BUS
(2) Controls/switches/indicators:
(a) GINA PWR controlled by push-button
on MFD BIT display; GINA PWR
initializes to on
(b) Four (4) operational modes
(9-98) Original
Page 27-99
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