Flight Controls
T-45A UJPT, E2-C2, ADV, & IUT Eng-11
EXPLAIN: The way speed
brakes and stabilator are
rigged, control stick in cockpit
does not move when
stabilator is repositioned to
compensate for speed brake
position.
3.
Operating characteristics/limitations
a.
Speed brakes blow back from full
extension (60 degrees) at speeds in
excess of 380 KIAS
b.
Speed brakes may not fully extend
above 340 KIAS
c.
Pressure and thermal relief valves
protect system from excessive air
loads and pressure buildup due to heat
d.
Speed brake advisory light is
illuminated anytime the speed brakes
are not fully retracted
e.
Cockpit selecting RETRACT overrides
cockpit selecting EXTEND
f.
No redundant system for speed brakes
in event of HYD 1 failure
D.
Summary:
The flap/slat and speed brake systems are
hydraulically operated. The speed brakes have
a blow-back feature. The flaps have three
positions, UP, 1/2, and DN. The slats are
retracted when the FLAPS/SLATS lever is set
to UP and extend when the FLAPS/SLATS lever
is set to 1/2 or DN
Page 11-29
(8-03) Original
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