The improvements made to SF-260C include reducing the nose landing gear, a reorganised electrical system and a central emergency canopy. SF-260D is manufactured by upgrading the SF-260C with highly efficient 260hp IO-540-D4A5 or AEIO-540-D4A5 engine and few improvements. It is powered by Allison 250-B17D turboprop engine.
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SF-260TP, which entered into service in 1980, is a turboprop version of the SF-260C. The variant additionally features reduced seats, skidding instrument panel, quick landing gear motor and battery relocation. SF-260C is an enhanced model of the SF-260B. It is the second civilian aircraft that features structural aerodynamics and a large stabiliser. SF-260B, first unveiled in 1974, is an improved version of the SF-260M. "The SF-260 is a two-seat light trainer / attack aircraft designed by Stelio Frati and manufactured by Alenia Aermacchi." SF-260SW is a sea warrior variant currently being used for patrolling coastal areas and protecting fisheries. The variant comprising tough airframe and wings can perform low-level strike, forward air control, armed reconnaissance and liaison. SF-260W is a warrior version of the SF-260M, and equipped with two underwing hardpoints for installation of weapons. An export variant, the SF-260ML, was acquired by Libya. About 33 SF-260AM’s were procured by Italian Air Force.
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The SF-260AM is an advanced version of the SF-260M. The variant first flew on 10 October 1970. SF-260M is an upgraded model of the SF-260A.It is a military aircraft featuring robust airframe and ameliorated aerodynamics. It is used as a tourer and trainer aircraft for airliners. The SF-260 is an advanced and production variant of F-260, while the SF-260A is the first civilian version powered by 260hp Lycoming O-540-E engine.
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The aircraft has been selected by 27 air forces worldwide to train professional military pilots and is fully operational in both civil and military pilot training bases in several countries. The maiden flight of the SF-260 was completed on 15 July 1964. About 880 aircraft are currently operational worldwide. It is an advanced trainer aircraft currently used by civil professional flying schools. The SF-260 can perform various functions including training, instrument flying, aerobatics, night flying, navigation flying and formation flying. The SF-260 is a two-seat light trainer / attack aircraft designed by Stelio Frati and manufactured by Alenia Aermacchi of Italy.