Copyright © 2016 Grand Rapids Technologies, Inc.
Electronic Flight Instrumentation for Experimental Aircraft Since 1991
4/20/2017 Sport SX, Sport EX and Horizon EX Installation Manual has been updated
4/19/2017 Serial Combiner/Expander now available! Combines/Expands four serial ports into one.
7/22/2016 Horizon EX Introduced at Oshkosh Airshow -
4/2/2016 Revised Pricing -
3/23/2016 Support For Stratux (Raspberry Pi-
We are saddened to announce that our former employee, Carlos Fernandez, passed away this day.
GRT Avionics introduces ValuSystems… combining any GRT EFIS with Android tablets.
Download now for access to GRT Vision HUD mode, loadable for the BT-
8/19/2015 New Feature Set for Mini! -
Place your order now for delivery after the show! Visit us at the show located in Exhibit Hangar C, booth numbers 3068/3069! Pricing valid from 7/13/15 through 8/3/15.
A new AHRS brings added redundancy, simplified installation and magnetometer sharing.
A rich, fully featured stand-
Now available with information on HITS, Synthetic Approach, and other new features.
HXr – The flagship of the GRT line, 8.4, 10.4” and 12” screens, featuring wide view, selectable insets that preserve your instrument scan, remote radio rack capable, and extensive interfacing. An excellent IFR solution. Android app compatible.
HX – The flagship of the GRT line in 6.5” and 8.4” screens, split screens, support for remote transponder, and extensive interfacing. An excellent IFR solution that requires less panel space than the HXr. Android app compatible.
Sport SX – The high value and high function EFIS, available in 6.5” and 8.4” screens. Plenty of interfacing and using the same AHRS as the top-
Mini – The 4.3” EFIS that works perfectly as an minimum cost primary EFIS, or as a backup. When used with other GRT EFIS systems, it provides automatic cross-
Add to any GRT EFIS and most Mini EFIS, at any time, to fully automate your airplane. Smooth and accurate, as you would expect from GRT.
EIS Engine Monitors
Robust and inexpensive, these engine monitors have been proven in over 25,000 installations. They provide all the function you will ever need, and the reliability to match. Models for all engines, from two-
NEW! Sport EX – The 7” Expandable EFIS. Starting at only $1500, it is suitable for light sport through serious IFR flying, according to how you choose to equip it. High-
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