Design and Development
The Thrush was designed by Leland Snow and first flew in 1956, and before long was being produced in series as the S-2 by the company he founded, Snow Aeronautical. In 1965, the corporation and all its assets were purchased by the Aero Commander division of Rockwell, which put it into production alongside the CallAir A-9 that it had also acquired, branding both unrelated (though similar) machines as "Ag Commanders". When Rockwell dropped the Aero Commander brand, the S-2 was renamed the "Thrush Commander".
In 1977, Rockwell sold off the production rights to the aircraft and the production facility at Albany, Georgia, which were purchased by Ayres Corporation, a firm which had been built on retro-fitting turboprop engines to Thrush Commanders. On June 30, 2003, Ayres' assets were purchased by Thrush Aircraft, the current producer of the aircraft.
Ayres developed a special anti-narcotics crop-spraying version of the Turbo-Thrush for the United States Department of State. This version, known as the Narcotics Eradication Delivery System (NEDS) featured an armored cockpit and engine to protect against hostile ground fire. Nine were sold to the Department of State between 1983 and 1985. Ayres also attempted to market a militarized version as the Ayres Vigilante, intended for the Close Air Support role, but this failed to attract customers.
Read more about this topic: Ayres Thrush
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