Copyright © 2013  Grand Rapids Technologies, Inc.                      

Electronic Flight Instrumentation for Experimental Aircraft Since 1991

7/23/2014- New Mini-X software update for remote magnetometer calibration

7/9/2014- FDS Pathfinder Remote ADS-B Receiver Supplement published

6/9/2014- OAT Probe Notes published

6/6/14- Mini-X manual released

5/29/2014- New Nav Database Update

5/29/2014- First software updates for Mini are now available (all Mini models)

5/23/2014- Mini-B and Mini-X Now Shipping!

5/23/2014- Mini-B Installation, Setup, & User Manual Released

5/1/2014- HXr Version 2b Released

4/16/2014 - A new low-cost ADS-B receiver choice is now available for GRT customers- the Flight Data Systems Pathfinder.

3/21/2014 - Geo-Referenced Sectionals & IFR Charts Now Available for HX & HXr


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Exhibit Hangar C

Booth 3068/3069


July 28 - August 3, 2014

Oshkosh, WI

NEW for 2014:

GRT Forums at Oshkosh

Flying the HXr IFR

Wednesday, July 30, 2014

2:30- 3:45 pm, Homebuilders Hangar

Presented by Jerry “Widget” Morris

Team AeroDynamix Element Lead, Retired Airline Captain & Military Check Pilot.

GRT Avionics Installation Tips

Thursday, July 31, 2014

2:30- 3:45 pm, Homebuilders Hangar

Presented by Ben Krotje

Lead GRT Tech  Support Specialist with over 20 years of experience installing and flying GRT EIS and EFIS systems in Experimental and Light-Sport aircraft.

Oshkosh Show Special: Take 10% off any Horizon HX or HXr System! Or, get free Vertical Commands software when you purchase a Sport SX display or system.

Free ground shipping within the continental U.S.  Sale valid through August 8, 2014.

Please note: Our office will be closed July 28-Aug 3 for AirVenture Oshkosh.

If you will not be at the show, you can still take advantage of the show pricing by sending an email to with your contact information and item list or leaving a phone message with EFIS Sales.  As always, no money is due til your order ships!