Since 1968, from our small factory in Arizona, Michel Avionics and TKM have encouraged General Aviation throughout the United States and worldwide. Our objective is to provide reliable, reasonably priced avionics and test equipment. To date, over 37,000 TKM Inc. replacement radios have been placed into field service.









When applicable, all avionics equipment made by TKM/Michel is TSO authorized by the United States FAA. Additionally, the equipment meets the FM immunity requirements of ICAO Vol.1, Annex 10.

The Michel 3300 Transponder Test Set tests Mode A&C transponders to meet the requirements of U.S. FAR Part 43, Appendix .F

FAA Repair Station Certificate Number ITKR162L