T-45A UJPT, E2-C2, ADV & IUT Eng-23
Other T-45A Systems
VII. HUD and ACS aircraft interfaces 1.4.17.2
Sg 7, fr 1
Lesson Organization
A.
Electrical system
1.
28 VDC generator bus supplies power to
HUD
2.
28 VDC essential services bus supplies
power for emergency jettison of pylon
stores
3.
28 VDC generator bus supplies power to
28 VDC armament control bus when
a.
Generator bus ARMAMENT circuit
breaker: IN
b.
Nose and main landing gear WOW
relays are energized (aircraft airborne)
c.
Master armament (MASTER) switch
(fwd cockpit): ARM
d.
Master armament override switch (aft
cockpit): NORMAL
B.
Flight data inputs to HUD DEU
Sg 7, fr 2
1.
Radar altimeter and barometric altimeter
2.
AOA system
3.
4.
SAHRS [pitch, roll and heading (yaw) from
HUD INTEGRATED AVIONICS SYSTEM
SSA]
5.
Airspeed and mach number
6.
VSI
Page 23-18
(8-03) Original
Previous Page
