After an extensive but not confirmed research in the web, I concluded that this aircraft could be c/n 75-03, that was initially registered as RA-01609, then as HA-YAR, and finally spotted flying as G-SUKK in 2022. Confirmations or correct information will be highly appreciated. Pay attention not to confuse with Su-29 G-SUUK (green/red colour scheme), that experienced an accident at Andrewsfield Aerodrome (Essex) on 16 September 2023 (AAIB Bulletin: 1/2024, AAIB-29587).