T-45C TS, ADV & IUT ENG-11
Hydraulic Subsystems
d.
Selects airborne mode of anti-skid system to
provide touchdown protection upon landing
e.
Enables AOA probe
f.
Selects in-flight avionics cooling mode
g.
Disables launch bar extension
3.
Weight-on-wheels condition
a.
Monitored by airborne data recorder
b.
Opens ECS ram air valve
c.
Selects ground avionics cooling mode
d.
Disables emergency jettison of external stores
e.
Disables armament bus
f.
Enables NWS
g.
Removes power to AOA probe
h.
Prevents retraction of landing gear
i.
Enables launch bar extension
j.
Enables HUD system to input mission data
4.
Gear down and locked condition
a.
Monitored by airborne data recorder
b.
Condition indicated by gear position lighting
c.
Enables yaw damping system
d.
Activates a hold-down relay to keep the FUEL
caution light illuminated once it has activated.
This prevents sloshing fuel from turning FUEL
caution light (with accompanying MASTER
ALERT and caution tone) on and off
(9-98) Change 4
Page 11-53
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