Not much is known about this trainer Jastreb, except that it first flew with the Yugoslav Air Force as 23506 and from 1992 with the Serbia and Montenegro Air Force. It ended up in the storage area of the Muzej Vazduhoplovstva Beograd where it was first noted in Jun-1997. The aircraft in the background are (fins from left to right): NJ-22 25506, Soko 522 60153, NJ-22 25509, IJ-21 24457, J-21 24159, J-21 24130 and J-21 24122.

In storage behind the aviation museum