Butler Avionics

Butler Avionics is an FAA and EASA certified repair station and maintenance company. It is based at One Aero Plaza in New Century, Kansas. The site says it is a Butler National Corporation company.

The company focuses on avionics for Learjet and King Air aircraft. It says it serves operators and maintenance shops around the world. The site says it is an internationally authorized repair station for these aircraft.

The company provides supplemental type certificate (STC) support, aircraft troubleshooting, complete overhauls and avionics installations. The site says it holds more than 50 STCs and has serviced more than 500 aircraft.

The site says the company has more than 40 years of experience. The FAA repair station certificate number is TF2R185L. The EASA certificate number is EASA.145.6557.

The site's news section includes an EASA approval of a Class A TAWS STC for Learjet 35 and 36 series airplanes, dated September 22, 2025. It also covers an article on repairing or replacing aging Learjet avionics.

The site says the company is a leader in avionics support for its aircraft types. It says the company wants aircraft back in the air on time and to the highest regulatory standards.

The company's office hours are Monday to Friday, 8:00 a.m. to 5:00 p.m. The phone number is 913-829-4606. The contact page has a form for sending a message and a list of services.