Widow of Czech Billionaire Who Died in 2021 Helicopter Crash Sues Heliski Operators Renata Kellnerova, the widow of Petr Kellner, who died in a helicopter crash while heliskiing in Alaska, has asked U.S. courts to investigate the circumstances of her husband’s death. In March 2021, the helicopter carrying Kellner, Czech snowboarder David Horvath, and French snowboarder Benjamin Larochaix, two mountain guides, and the pilot crashed near the Knik Glacier, AK, killing all on […] Industry News Julia Schneemann | April 25, 2023 1 Comment