T-45C TS, ADV & IUT ENG-19
Flight Instruments
III. Angle of attack (AOA) major components
Sg 7, fr 2
Lesson Organization
FLIGHT INSTRUMENTS
?
What does the AOA system consist of and what is its
* Flight instrument system
major components
primary function?
* Pitot static system major
components
* Angle of attack (AOA)
major components
ANSWER:
* Independent instruments
* Aircraft interfaces
1. The AOA system consists of the AOA indicator and AOA
Sg 7, fr 3
indexer (located on the instrument panel in both cockpits),
Fig 7: Angle of Attack
the external approach lights (located on the nose landing
System
gear), and the AOA transmitter probe (located on the
forward left side of the aircraft fuselage).
2.
The AOA system is primarily used during all approaches
and landings to provide pilots with the necessary cues to
maintain the precise airspeeds necessary for making carrier
landings.
A.
AOA indicator
Sg 7, fr 4
AOA Indicator
1.
Location: top of instrument panel, left of HUD, front
cockpit; left of gunsight, rear cockpit
2.
Function: indicates AOA, using needle and scale
graduated from 0 to 30 units. The pointer position is
proportional to the local AOA signal provided by an
AOA transmitter, via two DC potentiometers, to AOA
indicator in each cockpit.
3.
Controls/switches/indicators:
a.
OFF flag on each indicator to monitor power
b.
Stall warning index
c.
Optimum AOA for approach index
d.
Optimum rate of climb index
Original (9-98)
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