Design and Development
SIAI Marchetti began work on the aircraft in 1976 as a private venture basic trainer, hoping to offer it to the company's existing customer base of small air forces operating their piston-engined SF.260. Formally announced in Paris the following year, interest was strong enough to justify the construction of two prototypes, the first of which flew on 10 April 1981. The Singapore Air Force placed the first order for ten aircraft in 1983.
The S-211 is a small tandem two-seat shoulder-wing monoplane with a retractable tricycle landing gear and powered by a single Pratt & Whitney Canada JT15D-4C turbofan. Also, the aircraft was designed for a secondary close air support capability with four underwing hardpoints for the carriage of weapons and other external stores.
The S-211A was a slightly modified and updated variant of the S-211, was a losing contender in the USA's Joint Primary Aircraft Training System (JPTATS) aircraft selection. Among the seven to enter, the Raytheon/Pilatus entry won, which became the T-6 Texan II. The S-211 team was initially partnered with Grumman, and then Northrop Grumman after 1994.
Read more about this topic: Aermacchi S-211
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