Johannesburg World Cities Research Network. In 2011, the population of the city of Johannesburg was 4,434,827, making it the most populous city in South Africa. In the same year, the population of Johannesburg's urban agglomeration was put at 7,860,781. The land area of the municipal city () is large in comparison with those of other major cities, resulting in a moderate population density of . The city was established in 1886 following the discovery of gold on what had been a farm. The city is commonly interpreted as the modern day El Dorado due to the extremely large gold deposit found
S-TEC Corporation S-TEC Corporation S-TEC Corporation is a United States corporation that was founded in 1978 and is headquartered in Mineral Wells, Texas. It manufactures flight control systems for the General Aviation aftermarket and for a number of original equipment manufacturers. S-TEC is the leader in the general aviation autopilot market for small- and mid-sized planes. Genesys Aerosystems has a number of forward-fit autopilot customers including Pilatus, Indonesian Aerospace, Epic Aircraft, and Aviat Aircraft. Their latest autopilot, the S-TEC 3100, has earned Supplemental Type Certificate (STC) on over 100 aircraft models . Meggitt acquired S-TEC and S-TEC Unmanned Technologies (SUTI) for $24