S-TEC Corporation is an operating company under the Avionics and Surveillance division of Cobham plc

Cobham plc

Cobham plc is a British manufacturing company based in Wimborne Minster, Dorset, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index...

.
S-TEC is a United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 corporation

Corporation

A corporation is created under the laws of a state as a separate legal entity that has privileges and liabilities that are distinct from those of its members. There are many different forms of corporations, most of which are used to conduct business. Early corporations were established by charter...

 originally founded in 1978
and headquartered in Mineral Wells, Texas

Mineral Wells, Texas

Mineral Wells is a city in Palo Pinto and Parker counties in the U.S. state of Texas. The population was 16,946 at the 2000 census. The city is named for mineral springs in the area, which were highly popular in the early 1900s...

. S-Tec was purchased for $38 million by Cobham in 2008.

They manufacture flight control systems for the General Aviation aftermarket as well as a number of original equipment manufacturers. S-TEC is the leader in the general aviation autopilot

Autopilot

An autopilot is a mechanical, electrical, or hydraulic system used to guide a vehicle without assistance from a human being. An autopilot can refer specifically to aircraft, self-steering gear for boats, or auto guidance of space craft and missiles...

market for small- and mid-sized planes.