GRT Avionics

Hi, Does anyone know of any instrument instructor in the Central Texas area (Austin/Georgetown) who is familiar with the GRT Horizon HX EFIS? I need to knock the rust off my instrument skills and get an IPC but I'd like to do it with an instructor who knows the Horizon HX EFIS. The other major boxes...

Hi, Folks, I just upgraded my EFIS software from Ver. 3 to Ver. 5d and the AHRS software from 0.28 to 0.43 (big jumps, I know). Are there any required/recommended recalibration of any sensors that needs to be done as a result of these upgrades (esp. magnetometer)? I will be flying this plane VFR for...