A horrific accident happened on Friday night, while a Frontier Airlines jet was attempting to take off, and I can only imagine how unpleasant this must’ve been for everyone involved. While I first covered this yesterday, I’d like to provide an update, as some more details have emerged about how exactly this incident happened.
In this post:
“We just hit somebody,” says Frontier pilot
This incident took place late at night on Friday, May 8, 2026, and involves Frontier Airlines flight F94345, scheduled to operate from Denver (DEN) to Los Angeles (LAX). The flight was operated by a two-year-old Airbus A321neo with the registration code N646FR.
The aircraft pushed back from the gate and taxied out to runway 17L, where it began its takeoff roll at around 11:20PM. From there, we’ll let the air traffic control communication speak for itself:
Frontier pilot: “Tower, Frontier 4345, we’re stopping on the runway. We just hit somebody. We have an engine fire.”
Tower controller: “Frontier 4345, I see that. I’m gonna be rolling out the trucks now. Do you know the souls onboard and fuel remaining?
Frontier pilot: “All right, 4345, we have 231 souls onboard, we have 21,320 pounds of fuel onboard, there was an individual walking across the runway.”
Tower controller: “Okay, we are rolling the trucks now.”
Frontier pilot: “We’ve got smoke in the aircraft, we’re going to evacuate on the runway.”
According to flight tracking software, the plane reached a maximum speed of 127 knots (pretty close to its takeoff speed) before aborting its takeoff.
The airport initially confirmed the incident in a statement, writing the following:
“Frontier Flight 4345 reported striking a pedestrian during takeoff at DEN at approximately 11:19 p.m. on Friday, May 8 2026. There was a brief engine fire that was promptly extinguished by the Denver Fire Department. Emergency crews responded to the scene and bussed passengers to the terminal. 231 souls were on board. Emergency response and investigation are ongoing. The National Transportation Safety Board has been notified.”
How did the “pedestrian” get onto the Denver runway?
Understandably, the big question was how exactly a person managed to get onto the runway. It goes without saying that there are zero situations whereby you’d have a “pedestrian” just walking across an active runway at a major airport without air traffic control being aware, so one has to assume this was deliberate on some level.
That has now basically been confirmed. After reviewing airport footage, it was determined that the person had jumped the airport perimeter fence just two minutes before the accident. The fence was found to be intact, so this wasn’t a case of something being broken, but instead, this person managed to scale the fence. The airport doesn’t believe that this person was an employee of the airport, or otherwise had a connection to it.
We’ve also learned that following the accident and evacuation, 12 passengers had minor injuries, with five being transported to local hospitals. Seeing videos of an evacuation is always a bit dismaying. You have people taking their full size carry-on bags, and videoing everything (including the engine) as if they’re on an amusement park. I won’t even share the pictures or video of the engine here, since the whole thing is just grim.
Of course I feel horribly for the person who lost their life and their family, and may they rest in peace. I also can’t imagine how unpleasant this was for those onboard, and especially the pilots, as I don’t think there’s anything that can mentally prepare you for striking a person on a runway.
There are a lot of scenarios that pilots train for, but I imagine that striking a human with an aircraft is something that no one can be be prepared for. Listening to the air traffic control audio, you can just hear the complete shock in the pilot’s voice, and then also the panic in the air traffic controller’s voice.
Bottom line
A gruesome scene unfolded on Friday night at Denver Airport, where a Frontier Airlines Airbus A321neo reportedly struck a person during its takeoff roll, leading to an engine fire. The plane was evacuated on the runway, and several passengers suffered minor injuries due to that, but nothing major (and of course the person who was struck lost their life, sadly).
The initial investigation has shown that the person who was hit jumped an airport fence just two minutes before being struck, so I imagine that they sadly weren’t in a good mental place.
What do you make of this terrible accident?
What was his name?
I do think "intruder" rather than "person" in the headline would communicate more effectively - I first thought that it indicated an ATC failure re giving clearance when maintenance was happening.
People aren't usually on the runway like that. Clearly the person knew what they were doing or purposely did it
hi! can someone please explain how the fire in the engine is related to striking someone? is it from the strike? from having to stop so abruptly? or something else entirely? thank you!
A body being ingested into the engine
When the person got sucked into the engine it caused a fan blade (or multiple blades) to separate from the disc which results in the engine ingesting all of that debris.
The engine literally eats itself.
The good news is that it was a contained engine failure because an uncontained failure could have been much worse.
Hopefully that helps explain a little bit.
Oh goodness gracious! That is horrifying. But thank you for explaining!
Referring to passengers on board as "souls on board" seems macabre since there was no mass fatality. Is this a mid-west or Colorado thing?
Also the "pedestrian" hit was either off his face or otherwise hellbent on committing suicide. I'm thinking the former.
"Souls on board" doesn't only refer to the passengers, the flight crew and cabin crew and any other extra is included in the head count.
"Souls" I believe is the only English language that could be understandable by almost all countries.
Using "BODIES" could be any option but some might think of it as if you're referring to the dead already.
Aviation communication is standardised across all countries, it's expected to be...
"Souls on board" doesn't only refer to the passengers, the flight crew and cabin crew and any other extra is included in the head count.
"Souls" I believe is the only English language that could be understandable by almost all countries.
Using "BODIES" could be any option but some might think of it as if you're referring to the dead already.
Aviation communication is standardised across all countries, it's expected to be short, precise and yet still very understandable even to a non native English speaker.
It originated in maritime terminology, and obviously has the benefit of distinguishing between people that are alive and those that are dead. Many planes and ships will be carrying people that are deceased (either dying en-route, or being repatriated). As such, in an incident, it means rescuers aren't searching for example, for 3 extra bodies that were being repatriated but could obviously never be saved.
What would be the matter with "persons" ?
Play stupid games, win stupid prizes.
Thank you for your attention to this matter.
Everyone behind the scenes at DEN can see he was an intruder. But some still persist in misleadingly calling him a mere 'pedestrian'. FFS....if you walk on public footpaths, you're a pedestrian. When you illegally enter restricted space, you're an intruder. Big difference.
yea getting crushed by tons of steel must have been quite unpleasant.
The pedestrian death came a day after a Delta Air Lines employee was killed while on the job at the Orlando International Airport. In a statement, the airline said the employee was killed Thursday night without providing details of the incident or the name of the employee.
You can't stop ALL crazy and stupid people from doing crazy and stupid things. DEN is in the middle of nowhere. This fool would have been wandering around dangerous areas outside of planes coming down the runway at 150 miles an hour.
Nice strawman, like usual.
Denver Post says, in an article updated five minutes ago: “A pedestrian was struck and killed by a Frontier Airlines flight at Denver International Airport late Friday night after jumping a perimeter fence and running onto the runway, DIA officials said.” So, not someone getting out of the terminal. A drunken stunt, or something more nefarious?
The airport also posted that the pedestrian scaled a fence to access the runway.
"A drunken stunt, or something more nefarious?"
Are those really the only two options you can come up with?
Who pays for the plane damage? Airport or Frontier? I would assume the former.
The family of the man who got hit, or else taxpayers.
Private sector should never have to pay for anything, but should reap the rewards of industry.
It's part of privatizing profits and socializing losses.
You of all people should know this, RWNJ Sel D.
@TravelinPenis.......please remember to take your medications before you start your computer.
The airline's insurer, which may then subrogate against other insurers, say airport's insurer, etc.
“…especially the pilots, as I don’t think there’s anything that can mentally prepare you for striking a person on a runway (that’s not something pilots can really be properly prepared for)...”
But now that I know it’s possible, a pilot can hope.
Is it me or have events at US airports become more common over the last year?
It feels like every week there is a mistake or an incident of some kind and this frequency feels much higher than it used to
And of course, there are now pics on the internet of passengers hanging around and taking pics of the engine after going down the slide. Gotta make sure they document their experience on social media. Smh
lol
Traumatic. No other words.
My condolences to all involved and affected by this tragedy.
Thank you for logging in.
:-)