Welcome to Three Crown Avionics, your avionics service and installation specialist serving North West New Jersey and the surrounding New York metropolitan areas. We are located at Sussex Airport in New Jersey (KFWN).

Three Crown Avionics is a family run business and has been providing outstanding customer service to pilots and aircraft owners since it was established in 1991.

In addition to installations, we can test and repair most avionics systems in line with manufacturer authorized procedures. We offer competitive labor rates on troubleshooting and repair.

As an authorized dealer for many manufacturers, including Garmin, we are able to perform service bulletin software upgrades where required.