190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page H-81
AOA is the angle between the aircraft's wing and the oncoming airflow (see Figure H-24). As AOA
increases, eventually it will reach a critical value (determined by the physical characteristics of the wing),
whereupon the airflow will separate, the wing will stop producing lift, and the aircraft will stall. The
primary purpose of an AOA system is to monitor the wing's angle of attack and provide feedback to the
pilot when the aircraft is approaching the critical AOA.
Figure H-24 Angle of Attack (AOA) Illustration
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