1 September 2007. Two Zlin Z-526 aircraft from AZL Zelazny aerobatics team collided as three aircraft simultaneously flew toward a central point from different directions during Poland's Radom Airshow. Piotr Banachowicz and the group's founder, Lech Marchelewski killed. pic.twitter.com/L5totxDE8s

— Ron Eisele (@ron_eisele) August 31, 2025