NRT briefing
Investigators zero in on possible cause of Wisconsin plane crash that killed 6
Based on reporting by Fox News.
The Brief
Federal investigators are focusing on possible ice buildup on the wings as a likely cause of a plane crash in Wisconsin that killed all six people aboard, including a child, on Tuesday night. The National Transportation Safety Board (NTSB) said the pilot of the Piper PA-46 Malibu reported ice accumulating on the wings and requested permission to descend from 24,000 feet.
Air traffic controllers approved the request, but the plane entered a sharp descending right turn before communications and flight tracking data were lost.
FlightRadar24 data showed the aircraft's airspeed nearly doubled to 340 mph as it descended at up to 4,000 feet per minute, according to The Associated Press. Aviation safety expert Jeff Guzzetti, a former NTSB and FAA investigator, told the outlet that the incident "has all the earmarks of an icing-related loss of control." Rain was falling as a thunderstorm moved through the area at the time.
The plane was traveling from Kenosha to Menomonie when it crashed near Mirror Lake State Park in Sauk County. All six people aboard were killed; no structures were damaged and no one on the ground was injured. The victims' identities have not been released.
The NTSB is leading the investigation and has not determined an official cause. The Piper Malibu model has faced previous federal scrutiny over icing-related crashes, including a 1989-1991 NTSB safety review that led to recommendations for pilot training and equipment changes.
NRT commentary
How We See It
This tragic crash highlights a recurring and preventable danger in general aviation: icing. The Piper Malibu's history with such incidents is well-documented, and the NTSB's earlier recommendations underscore that this is not an unknown risk. Yet pilots still find themselves in situations where ice overwhelms their aircraft, often with fatal results.
While the investigation is ongoing, the initial data points to a familiar chain of events: ice disrupts airflow, reduces lift, and can lead to a loss of control faster than a pilot can react. This case should prompt a renewed focus on ensuring pilots are adequately trained to handle icing conditions and that aircraft are equipped with the latest de-icing technology.
The fact that the NTSB flagged similar issues decades ago suggests that more needs to be done to turn lessons learned into mandatory, life-saving changes.
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