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Airspeed Limitations of the GSU 25 ADAHRS in a G3X or G3X Touch System
The GSU 25, GSU 25C, and G5 will display valid airspeed up to 300 KIAS. Airspeed is invalidated from 300 KIAS to 515 KIAS. Above 515 KIAS, permanent damage to the GSU 25(C) or G5 will result.
The GSU 25B and GSU 25D will display valid airspeed up to 465 KIAS. Airspeed is invalided from 465 KIAS to 784 KIAS. Above 784 KIAS, permanent damage to the GSU 25B(D) will result.