Copyright © 2017  Grand Rapids Technologies, Inc.

Electronic Flight Instrumentation for Experimental Aircraft Since 1991


   Display Unit

   Version

Release Date

Notes

Download

AHRSUp file

Horizon HXr

Horizon HX

Sport SX

Sport EX

Horizon EX

Includes both:

AHRS 46

&

Adaptive AHRS 64

AHRS

15-Feb-2017


Adaptive AHRS 6-Jul-2017

Important Altimeter Calibration change for Adaptive AHRS 57 and Mini AHRS 57 - READ ME


Version 64 adds another type of yaw data to improve lateral autopilot performance.  A display software update is required to make use of the data.


Versions 46 and 61 improve attitude accuracy while in turn during turbulence, and due to some cases of vibration (adaptive AHRS only).

Current AHRS Software

AHRS Beta Software

This section contains software in the development or testing stage for customers interested in testing new features before a final release.  The software below may be incomplete or have unexpected behavior.  Never use in instrument conditions or other situations where EFIS failure will affect safety of flight.


   Display Unit

   Version

Release Date

Notes


 Horizon HS

AHRS 46 (0.46)

15-Feb-2017

Version 46 improves attitude accuracy while in turn during turbulence.


 Horizon WS


 Sport HS


 Sport WS

The most current release of the AHRS software is included in the Display Unit update files.  Most GRT EFIS users will never need to use this page.  However, there are times when customers request AHRS-only updates or would like to try beta testing new AHRS software.


*Important:  Before updating software, please read the AHRS Software Update Instructions & Revision History.*


New! - AHRSUp files can be loaded directly by using SET MENU, AHRS Maintenance, Load AHRS Software, pushing USB when prompted, and selecting the file from the list.  (Requires latest HX/HXr/SX display software.)

Download Download Download Download

AHRS Software files for older displays

AHRS and Adaptive AHRS Software for HX/HXr/SX

View Adaptive AHRS software change history.


   Display Unit

   Version

Release Date

Notes






No beta software available at this time