I A P 2 0 2 3 . 0 0 1 - A F M / I R I S T E X A N I I P A G E | 84
FOR SIMULATION USE ONLY ā NOT A TRAINING AID
Information from the vane is processed by the AOA computer and transmitted to the
IACs and then displayed on the PFD and HUD.
AOA Computer
The AOA computer, located on the avionics shelf under the front glare shield,
provides angle of attack information and stall warning at various flap and landing
gear configurations.
During all flight conditions, the AOA computer generates an AOA signal for display
on the PFD and HUD.
When the landing gear is down, the AOA computer also activates the AOA indexers
installed in each cockpit. The AOA computer receives a discrete flap position signal
from the flap position micro switch, and adjusts AOA information accordingly.
As aircraft angle of attack approaches the angle for stall (approximately 18 units),
the AOA computer activates the stick shaker, providing stall warning
(approximately 15-16 units).
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