Flight Controls
T-45A UJPT, E2-C2, ADV, & IUT Eng-11
PROGRESS CHECK
Question 1 -- 1.5.4.1.2.1
Flap/slat extension should only be selected at less
than _____ KIAS.
ANSWER: 200
IV. Aircraft systems interfaces 1.4.14.2, 1.5.4.1.2.1.5,
Sg 4, fr 1
1.4.19.2
Lesson Organization
A.
Flaps/slats
Sg 4, fr 2
EMERGFLAPS
1.
Hydraulic
NORM
-UP
-/
12
DOWN
-DN
HYD 1
RETURN
a.
Powered by the HYD 1 system
b.
Should HYD 1 fail, backup power for
FLAP
ACTUATOR
flaps extension only is provided by the
WHEEL BRAKE / EMERGENCY
HYD 1
FLAP ACCUMULATOR
PRESS
wheel brake/emergency flap
FLAP SYSTEM COMPONENTS
accumulator
NOTE: Slats are hydraulic and
Sg 4, fr 3
function in consonance with the flaps
Slat System Components
actuation when HYD 1 system
pressure is available. No emergency
slat extension.
2.
Electrical: 28 VDC essential services bus
powers both normal and emergency flap
operation
B.
Speed brakes 1.4.1.9.2
Sg 4, fr 4
1.
Hydraulic
SPD BRK
SPDBRKFULL
a.
Powered by HYD 1 system only
b.
No redundant or emergency backup
HYD 1
HYD 1
RETURN
PRESS
system
SPEED BRAKE SYSTEM
COMPONENTS
Page 11-30
(8-03) Original