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|  Slow-Speed Flight, Stall and Spin, and AOA System
T-45A/C TS, E2-C2, ADV & IUT Aero-03
b.
Conventional round dial displays AOA
information (pointer read against fixed dial)
c.
AOA for approach and landing in Navy aircraft
is always at the 3 o'clock position (17 units AOA
for the T-45)
NOTE: Stall warning (pedal shaker and aural
tone) and stall AOA are indexed on the T-45.
5.
AOA indexer
Overlay 3
a.
Presents AOA information by use of three lights
b.
Operates only when landing gear down and
locked
c.
Receives information from forward cockpit AOA
indicator
d.
Display consists of low-speed symbol (upper
chevron), high-speed symbol (lower chevron),
and on-speed symbol (donut)
e.
Mounted on glare shield for easy scanning
while looking forward through windshield
f.
Displays AOA and indicates airspeed relative to
an optimum approach AOA and speed
g.
Cannot be used as a rate instrument (unlike the
Overlay 4
indicator) or to maintain an airspeed in event of
a pitot-static system failure
6.
ADI Display (T-45C)
a.
Digital AOA in tenths of units
b.
AOA units prefix is the "alpha" symbol
(9-99) Original
Page 3-28
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