OSHKOSH, WI (WTAQ-WLUK) – A plane crash into Lake Winnebago which killed two people was likely caused by pilot error, according to a new NTSB report.
Devyn Reiley and Zach Colliemoreno were killed in the July 29, 2023, crash during the EAA AirVenture. They were in a North American AT-6D airplane.
“Based on the available information, the pilot likely failed to maintain adequate airspeed while maneuvering and exceeded the airplane’s critical angle of attack, which resulted in an inadvertent aerodynamic stall/spin,” the report states. “Examination of the airplane, engine, and related systems did not reveal any preimpact anomalies that would have precluded normal operation.”
The report cites one witness.
“A witness who was in a boat on the lake reported seeing the airplane about 1 to 1.5 miles from his position and about 30 above the horizon. He described the airplane as being in a flat spin to the right and he did not hear any noise. The airplane continued to spin until it impacted the water,” the report states.
The airplane broke into pieces and came to rest at the bottom of the lake in about 20 ft of water.

