T-45A UJPT, E2-C2, ADV & IUT Eng-13
Hydraulic Subsystems
is automatically reengaged in
the low gain mode with weight
on one main landing gear and
a momentary weight on the
nose landing gear
(b) Remains engaged on takeoff
until weight of off last main
gear weight on wheels sensor
(c) Used for takeoff and landing
(2) High gain: +/- 65 degrees nose
wheel movement
(a) Selected by pressing and
holding NWS button
(b) Used for aircraft parking
NOTE: High gain nose wheel
steering should be used for
low speed taxi operations
only, at less than 10 kts
ground speed.
(3) NWS disabled when launch bar
extended, +/- 20 degrees steering
activated by pressing and holding
NWS button
c.
Nose wheel movement proportional to
rudder pedal movement when on
ground
d.
System performs a continuous built-in
test (BIT)
(1) Any detected malfunction
illuminates NOSE WHL STR
caution light on WCP (with
accompanying MSTR ALERT and
caution tone)
(2) System then shuts down
(8-03) Original
Page 13-37
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