The PZL -101 Gawron ( German Rook ) is a Polish multi-purpose aircraft and a further development of Soviet Yakovlev Yak - 12th
The PZL -101 is based on the previous model Yak- 12M, of which 1054 were built on state aircraft factory in Warsaw Okecie - 1956-1960. From a development group led by Stanisław Lassota designed the prototype first flew on April 14, 1958. After the expiry of the Yak- 12 production PZL -101 went from 1960 in the series production. The biggest change from the Yak- 12M, especially the simplified structure and the resulting increase in the payload has to be mentioned.
The PZL- 101 was designed for various purposes, such as agricultural aircraft with 805- liter tank in the fuselage (215 pieces built ) or equipped with two stretchers for patient transport ( 32 pieces). As travel and communications aircraft ( built 78 pieces) they could carry out the pilot, three other people. In the flying clubs, she served as tow plane for gliders. The cargo version was able to carry up to 300 kg payload. By installing a 90 -liter auxiliary tanks, the range is increased to 1000 km.
In 1962, the production of improved PZL- 101A. In the same year launched a further improved and called the PZL- 101B execution on March 9 to the first flight. Of the total 325 produced Gawrons 143 aircraft were performed in ten countries. Even today, the PZL- 101 in flying clubs to use.
The PZL- 101 is a strutted high -wing monoplane with wings in a slight dihedral and 4.5 degree sweep. The fuselage structure consists of welded steel pipes that are covered with fabric. The front torso area is metallbeplankt. The zweiholmige wings and the tail are also made of metal construction with fabric covering. The Gawron is equipped with slats, slotted flaps and winglets. The spur wheel landing gear is not retractable and has a pneumatic brake system. In winter, the aircraft can be equipped with snow runners.
Data according to Jane's 1959-60 and 1965-66