Investigators unclear what caused plane crash that killed 3

GREEN BAY, Wis. (AP) — Federal investigators are not sure what caused a 2018 plane crash in central Indiana that killed three men bound for Wisconsin.
The National Transportation Safety Board issued its final report on the crash last week. The Green Bay Press Gazette reports the NTSB blames “an in-flight-loss of control,” but investigators could not determine if mechanical or human factors caused the loss.
The February 2018 crash killed John Pagel, owner of Kewaunee, Wisconsin-