(NB Nearly stol has noted his/her contribution is on the wrong thread - it should have been on WhatCockpit)
24 hours has passed and I confirm Noyade has it correct
Yugoslav KB-6 Mataju - quite a lot built - also known as the LIBIS
The aircraft design office of LIBIS brought together teachers and students of the Ljubljana technical high school in modern Slovenia . The design office designed the KB-6 Matajur which was a two-seat light trainer and tourer that first flew on 4 June 1952. The KB-6 was a cantilever low-wing monoplane with fixed tailwheel landing gear and an enclosed cockpit with side-by-side seating and dual controls. The aircraft was produced for use in aero-clubs until the mid-1960s.
