Copyright © 2013  Grand Rapids Technologies, Inc.                      

Electronic Flight Instrumentation for Experimental Aircraft Since 1991

Price Lists

To order avionics systems and parts, please give us a call at (616) 245-7700 or email Jon at

EFIS Accessories & Autopilot Price List

Find prices for GRT servos, ADS-B receivers, radios, audio panels, transponders and other goodies.

Engine Monitors & Probes Price List

Find prices for EIS packages and a la carte items such as probes, sensors, EIS options, and other stuff related to engine & systems monitoring.

EIS package prices effective October 27, 2014.

EFIS Systems Price List

Get at least 10% off of your EIS engine monitor package when you order it with your EFIS system.