Russell I Matthews

Plane Crash Oshkosh 2025. The winnebago county sheriff’s office says one of those killed is. A midair collision between a helicopter and a gyrocopter as a major airshow was underway in oshkosh, wisconsin, left two dead and two injured saturday, authorities said.

The victims were identified as sean tommervik, 37, of el. During the first crash at 9 a.m.,.