Aerosonic Corporation (Aerosonic) manufactures and sells aircraft instrumentation to government and commercial users from its facilities located in Florida and Virginia. The Company designs and manufactures both mechanical and digital altimeters, airspeed indicators, rate of climb indicators, microprocessor controlled air data test sets, and a variety of other flight instrumentation. In addition, the Company designs and manufactures angle of attack (AOA) stall warning systems; integrated multifunction probes (IMFPs), which are integrated air data sensors, and other aircraft sensors and monitoring systems. The Company's products are used for both primary flight data, as well as standby redundant instruments in cockpits where electronic displays are used for primary flight data. The Company is focused on designing, developing and supplying of electronic and mechanical primary flight control systems components and instruments. These include altimeters and airspeed indicators.