Copyright © 2017  Grand Rapids Technologies, Inc.

Electronic Flight Instrumentation for Experimental Aircraft Since 1991

Professional Panel Design & Wiring

If you don’t have the desire to tackle your own instrument panel design and wiring, you can buy your GRT system through one of our experienced & professional panel builders who will design and pre-wire your instrument panel.  

Aerotronics, Inc.

Billings, Montana

Contact: Jason Smith,

Experimental Division Manager


Phone: (406) 259-5006

Visit our web store at:

Over 50 Years in the Aircraft Electronics Business.


Farmington, Minnesota

Contact: Stein Bruch, President


Phone: (651) 460-6955

Visit our Customer Gallery for more photos of Aerotronics instrument panels…