Techtest Ltd.

The HR Smith Group of Companies is an independent avionics manufacturing company which has been serving the aircraft industry for over 40 years. The Group consists of four companies and has capabilities in Airborne Antennas, Static Dischargers, Radomes, Emergency Locator Transmitters, Homing Systems and Avionics Test Sets.

All products utilise advanced technology and are manufactured to the highest standards by a dedicated team of professionals at our UK and US factories, offering a wide range of solutions for both commercial and military applications.

The HR Smith Group of Companies has full Quality Certification including BS EN ISO 9001:2008, EN9100:2003, AS9100 Rev B,  EASA Part 21, EASA Part 145 and UKMOD X Listing. In addition many of our products carry specific TSO, ETSO, FAA PMA and OEM approvals.