T-45C TS, ADV & IUT ENG-24
GINA Operating Characteristics
(d) Confirm present position coordinates
by other means
(5) Removed MFD display data will be restored
if problem corrects
c.
If INS is bad
(1) HUD and MFD displays will lose previously
noted items after a three (3) sigma
deviation
(2) Depending upon nature of the INS problem,
additional symbology (ADI ball, flight
attitudes, heading reference, turn/slip, etc.)
may be removed from displays
(3) GPS will not be automatically selected by
the DEU
INSTRUCTOR NOTE
GPS is not a GINA mode, although, it is listed as a separate
option on the ADI. The boxing of GPS is a DEU function,
whereas the boxing of HYBD and INS are related to GINA
functions. NOTE: Depending upon the INS problem, the GPS
option on the ADI may or may not be displayed; nonetheless,
going to GPS will not eliminate an INS problem
(4) GINA may revert to DGRO mode
(5) HYBD, INS, and GPS legends may all be
removed from ADI display
(6) Check ACFT DATA page
(a) Number of GPS satellites locked-on
Original (9-98)
Page 24-48
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