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T-45A/C TS, E2-C2, ADV & IUT Aero-03
Slow-Speed Flight, Stall and Spin, and AOA System
c.
Modes
(1) 30-degree true AOA
AOA above 28 units; airspeed about 180
kts; 1,200 ft per turn (10 turns per minute);
transitions either to 45-degree true AOA
mode or inverted spin mode
Sg 2, fr 49
(2) 45-degree true AOA
Fig 11: Upright Spin
Indications
AOA at 30 units; airspeed 100-110 kts;
(1 overlay)
1,000 ft per turn (15 turns per minute)
Overlay 1
d.
Steady-state indications
(1) Positive g
(2) Pegged turn needle (in direction of spin)
(3) 30 units AOA
3.
Inverted spin*
Sg 2, fr 51
Inverted Spin
a.
Entry example:
(1) See "Nose-high, 80-90/90-100 degree" or
"Pitchdown departure" entries
(2) At first indication of stall, hold the elevator
in a position somewhere forward of neutral
b.
Result:
(1) The T-45 has demonstrated some tendency
Sg 2, fr 54
to enter inverted spins after post-stall
Inverted Spin
gyrations where FWD stick and yaw are
introduced
(2) The aircraft will rotate about the center of
gravity from an inverted, slightly nose-low
and wings-level attitude
(9-99) Original
Page 3-21


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