T-45C TS, ADV & IUT ENG-25
Display System and Malfunctions
VII. GINA system
A. The GINA is a self contained all attitude, world wide,
strap-down inertial system with an embedded GPS
receiver
B. GINA initialization
1.
Attitudes from gyros
2.
Heading
a.
GPS position
b.
Accelerometer sensed rotation of earth
c.
Stored magnetic variation algorithms
C. Initialized GINA provides DEU with:
Fig 11:1.
DEU Data Source
1.
INS portion
a.
Pitch
b.
Roll
c.
Magnetic heading
d.
Vertical and horizontal velocities
2.
GPS portion
a.
Position
b.
Time
D. GINA and other sensor information used by DEU to
generate MFD and HUD displays
E. GINA power status
1.
Shown on BIT display
2.
System initializes to GINA power ON
Original (9-98)
Page 25-10
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