6131 Sukhoi Su-20R Muzeum Katynskie Warsaw - Museum Katynskie, Poland Erik Frikke - 25/08/2015
6131 Sukhoi Su-20R Muzeum Katynskie Warsaw - Museum Katynskie, Poland John Bennett - 20/06/2010
6131 Sukhoi Su-20R Muzeum Katynskie Warsaw - Muzeum Wojska Polskiego, Poland Don Hewins - 15/07/2007
