T-45C TS, ADV & IUT ENG-19
Flight Instruments
PROGRESS CHECK
Question 1 — 1.4.5.2.1
How many operational modes does GINA have?
ANSWER: 4
Question 2 — 1.4.5.3
What is the approximate time for a GINA ship board
alignment?
ANSWER: Attitude available in approximately 20 seconds and
position and heading are available in approximately 8 minutes
Question 3 — 1.4.5.2
What electrical buses supply power to the DEU?
ANSWER: 115 VAC non-essential bus and 28 VDC
essential bus
Question 4 — 1.4.5.2.1
What is the minimum time of operation of the standby ADI
after a power failure?
ANSWER: 9 minutes
Original (9-98)
Page 19-34
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