Copyright © 2016  Grand Rapids Technologies, Inc.                      

Electronic Flight Instrumentation for Experimental Aircraft Since 1991

Welcome, In Flight USA Readers!

Electronic Flight Instrumentation Systems

Read about Horizon HX and HXr EFIS systems– Relied upon every day by Team AeroDynamix pilots for both IFR performance and precision aerobatics.

Engine Monitors

From 2-strokes to turbines- Over 22,000 engines have been instrumented by the GRT EIS.

Justin Lewis of Lewis & Clark Performance, LLC, and his FLS Microjet rely on an EIS and 2 Horizon EFIS screens.

GRT Home Page

Photo by Dean Wingard

Learn more about the GRT SPORT EFIS, featured in the new SPA Panther kitplane.  Starting at $2,600

Find out about the new Mini family- an EFIS small enough to be your IFR backup and capable enough to stand on its own. Starting at $1,195