HR Smith (Technical Developments) manufactures a wide range of VOR/LOC, Marker Beacon and Glide Slope antennas for both commercial and military applications.

The range of light weight thermoplastic navigation antennas is ideal for all commercial aircraft applications and can be supplied with a full range of accessories such as Couplers, Diplexers and Filters.

In addition, the company manufactures a range of navigation antennas suitable for military aircraft with speed ratings up to Mach 2.5. The company specialises in providing navigation antenna solutions for upgrading ex Warsaw Pact aircraft to allow them to operate alongside NATO forces.

Radio altimeter and passive and active GPS antennas are manufactured by HR Smith (Technical Developments) for fitment on both commercial and military platforms.