The first prototype M26-00, powered with PZL-Franklin 6A-350C1 (150 kW) engine flew first on July 15, 1986 (registraion SP-PIA). The second prototype, of ultimate M26-01 variant, with Lycoming AEIO-540-L1B5D (220 kW) engine flew on June 24, 1987 (registration SP-DIB, earlier SP-PIB). The plane was tested in a military aviation school in Dęblin in 1992.
Only a short series of 14 aircraft has been made by now, from which four remainin in Poland. The plane is still offered by the PZL Mielec and is certified in the USA, Australia and Europe (EASA). In the USA it is offered under a name Airwolf or Air Wolf, and 8 were exported there, starting from 1996. In 1998 two were delivered to Venezuelan National Guard. There are works to fit Walter M601 turboprop engine, for eventual customers' demand.
Note: in aerobatics variant maximum take-off weight is 1,315 kg, maximum speed 394 km/h and climb rate 9 m/s.
New health and medicine study findings recently were reported by researchers at University of Washington.(Clinical report)
Oct 30, 2010; Investigators publish new data in the report 'Molecular and biophysical mechanisms of Ca2+ sparklets in smooth muscle.'...