![pro skiing veteran ian mcintosh studied the alaskan mountainside for an upcoming documentary before his accident photo twitter pro skiing veteran ian mcintosh studied the alaskan mountainside for an upcoming documentary before his accident photo twitter](https://i.tribune.com.pk/media/images/989312-mcintosh-1447241098/989312-mcintosh-1447241098.jpg)
Footage released by Teton Gravity Research shows McIntosh tumbling down the mountainside for over 40 seconds, with his screams audible throughout.
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The experienced skier can be seen losing control with his footing, descending the Neacola mountain range, rotating at 360 degrees for over 40 seconds.
According to a blog post on Teton Gravity's website, “McIntosh took off only to run into an unseen five foot deep trench on one of his first turns.”
The skier recalled, "From there, my slough took over and there was no way to stop, I pulled my airbag to help prevent against any possible trauma injuries as I tumbled to the bottom."
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When he stopped tumbling, a breathless McIntosh said, "I'm ok, I'm ok" to the film crew listening through the microphone in his helmet.
Teton Gravity Research co-founder Todd Jones said the incident "was the most terrifying crash I've ever seen."
The full extent of his injuries from the fall are not yet known.
Watch the video here:
This article originally appeared on The Telegraph.
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