10-13 Letov KT-04 Czech Air Force Rothenburg-Gorlitz (EDBR), Germany Henk Miedema - 06/08/2025
04-33 Letov KT-04 Slovak Air Force Kosice (KSC / LZKZ), Slovak Republic Peter Davis - 22/08/1994
12-09 Letov KT-04 Letecke Muzeum Kbely Prague - Kbely (LKKB), Czech Republic Derek Heley - 08/09/2012