
On October 16, 2025, United Airlines Flight 1093, traveling from Denver to Los Angeles, struck a high-altitude commercial weather balloon at 36,000 feet over Moab, Utah. The impact shattered the first officer’s windshield and caused minor injuries to the captain. This rare collision, now under investigation by the NTSB, has intensified scrutiny on the current regulations governing unmanned objects operating in passenger aircraft airspace.
Story Highlights
- United Airlines Flight 1093 collided with a weather balloon at 36,000 feet over Utah.
- The impact shattered the windshield, causing minor injuries to the captain.
- NTSB identifies the balloon as commercial, operated by WindBorne Systems.
- Incident highlights regulatory gaps in managing airspace for unmanned objects.
Collision at Cruising Altitude Raises Safety Concerns
On October 16, 2025, United Airlines Flight 1093, traveling from Denver to Los Angeles, struck a high-altitude weather balloon at 36,000 feet over Moab, Utah. The collision shattered the first officer’s windshield, showering the cockpit with glass and injuring the captain. Fortunately, the pilots managed to divert and land safely at Salt Lake City International Airport, with no further injuries reported. This incident underscores the potential dangers posed by commercial weather balloons operating in the same airspace as passenger aircraft.
Weather balloon shattered windshield of United Airlines flight 36,000 feet over Utah: NTSB https://t.co/cAtJKxXTCt pic.twitter.com/5rcgka85Yz
— New York Post (@nypost) November 22, 2025
Regulatory Oversight Under Scrutiny
The National Transportation Safety Board (NTSB) quickly identified the object as a commercial weather balloon from WindBorne Systems. This collision has intensified scrutiny on the current regulations governing the operation of such balloons. Unlike drones, these unmanned platforms lack stringent regulatory oversight, raising concerns about their impact on aviation safety. As global air traffic increases, the need for better management of both manned and unmanned aerial vehicles becomes more critical.
WindBorne Systems reported losing contact with the balloon shortly before the collision. The company is cooperating with the NTSB and the Federal Aviation Administration (FAA) in the ongoing investigation. This incident could lead to new safety protocols and regulations aimed at preventing similar occurrences in the future.
Implications for the Aviation and Research Sectors
This rare midair collision is a wake-up call for both the aviation industry and the atmospheric research community. In the short term, we may see delays in weather balloon launches and increased public concern about air travel safety. Long-term changes could include regulatory revisions, enhanced safety protocols, and improved coordination between commercial aviation and atmospheric research activities.
As investigations continue, it is essential to balance the valuable data collected by weather balloons with the paramount importance of aviation safety. The outcome of this investigation will likely influence future policy decisions, impacting not only the aviation and research sectors but also the broader regulatory landscape.
Watch the report: Weather balloon shattered windshield of United Airlines flight 36,000 feet over Utah: NTSB
Sources:
Weather Balloon Launched in Washington Strikes United Airlines Flight
High-Altitude Weather Balloon Struck United 737 Windshield
United 737-8 Struck Weather Balloon Over Utah














