T-45A UJPT, E2-C2, ADV, & IUT Eng-19
Flight Instruments
indicated by continuous illumination of
the AOA indexers on deck
C.
External approach lights
1.
Location: nose landing gear strut
2.
Function: Provides AOA information to
LSO during carrier operations
NOTE: When the HOOK BYPASS switch in
the forward cockpit is selected to CARRIER,
the lights flash if the landing gear is down
and locked and the arresting hook is not
extended.
3.
Controls/switches/indicators: none in
cockpit
4.
Subsystem interfaces
a.
Power: 28 VDC essential services bus
via AOA indicator in forward cockpit
b.
Landing gear down switch activation
D.
AOA transmitter probe
Sg 5, fr 5
1.
Location: forward left side of fuselage
2.
Function: probe senses angle of relative
airflow to longitudinal axis of aircraft when
airspeed exceeds 90 KIAS
a.
Rotates over range of 50 degrees in
VIDEO STILL:
response to air pressure entering slots
AOA TRANSMITTER PROBE
in forward face of probe
b.
Two potentiometers regulate DC
voltage signal in response to probe
rotation
c.
Probe assembly contains body heater
to prevent icing and condensation
(8-03) Original
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