Authorities have determined what they believe caused a United Airlines aircraft’s windshield to crack at an altitude of 36,000 feet. The incident took place above Moab, Utah, during a flight from Denver to Los Angeles on Oct. 16.

Layers of the cockpit window cracked mid-flight, forcing an emergency landing in Salt Lake City. The plane did not lose cabin pressure. United said 134 passengers and six crew members were on board. One pilot sustained minor injuries.

A California company called Windborne Systems said it started looking into the situation shortly after the National Transportation Safety Board reported that it was investigating.

They determined that the Boeing 737 Max most likely collided with one of their weather balloons, despite the company’s strongest precautions to

See Full Page