T-45A UJPT, E2-C2, ADV & IUT Eng-13
Hydraulic Subsystems
PROGRESS CHECK (cont.)
Question 6 -- 1.4.13.3
What is the function of the HOOK BYPASS switch
when set to the FIELD position?
ANSWER: It disables the flashing of the AOA indexer
and approach lights when the aircraft is in landing
configuration with the hook retracted.
III. Aircraft interfaces 1.4.9.2, 1.4.12.2, 1.4.10.2,
Sg 3, fr 1
1.4.11.2, 1.4.13.2
Lesson Organization
?
With what aircraft systems do the hydraulic
subsystems interface?
ANSWER: HYD 1, electrical, warning/caution, and
weight-on-wheels.
A.
Hydraulic system
1.
All hydraulic subsystem items are powered
by HYD 1
2.
If HYD 1 fails, services retained due to
backup/alternate means include
a.
Landing gear: gravity free-fall
extension and lock
b.
Forward NLG doors partially closed
electrically
c.
Arresting hook: gravity/pneumatic
extension
(8-03) Original
Page 13-47
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