DIA runway collision raises security and response questions
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Denver — On Friday night, May 9, a 41-year-old man scaled Denver International Airport's perimeter fence and was struck and killed by Frontier Airlines Flight 4345 as it accelerated for takeoff from Runway 17L at approximately 11:19 p.m., airport officials said, prompting an aborted takeoff and immediate emergency response on the airfield.
Passengers evacuated after an engine fire; 12 people reported minor injuries and five were taken to hospitals, authorities said. On Tuesday the Denver medical examiner identified the deceased as Michael Mott, ruled the manner of death suicide, and officials acknowledged an alarm earlier was misattributed to deer; airport and federal agencies are reviewing perimeter security and incident response procedures.
More context
Timeline
- 1. May 9, late night: Individual climbs DIA perimeter fence and enters airfield.
- 2. May 9, ~11:19 PM: Frontier Flight 4345 strikes the trespasser during takeoff roll on Runway 17L.
- 3. May 9-10: Engine fire sparks evacuation; passengers evacuated; injuries reported and some hospitalized.
- 4. Following days: Authorities review surveillance video and alarm logs; scene processed and debris field documented.
- 5. Tuesday after incident: Chief Medical Examiner identifies Michael Mott and rules manner of death suicide.
Why it matters
This incident at Denver International Airport highlights the importance of airport security. It's a reminder that breaches can happen, even in unexpected ways. Check your flight's status before heading to the airport, and always follow safety instructions on board.
Sources
JQJO Editorial Desk · Human reviewed · AI assisted. Report a correction.











