Low-wing monoplane trainer aircraft, the first S.11 prototype flew in December 1947.
The aircraft entered service in 1948.
The Netherlands bought 40, that replaced the Tiger Moth in Dutch service.
Israel bought 41. Macchi license-built 150 for the Italian air force, and 100 more were built in Brazil.
5 aircraft loaned by KLU to 9 sqn, from 1954 until 1970. KLU serials. 9 aircraft transferred from KLU on 26 January 1970, serialled 174-179, 197-199.
Used as basic trainer, last example retired 10 September 1973.