A 19 year old from Haverhill in Suffolk has been told he was lucky to escape with a fractured spine after a prank involving a home-made ejector seat went wrong.
Hari Farlie was thrown into the air by the contraption which was fitted with an airbag.
His friend Kyle Lyons added
Now Suffolk Fire and Rescue service is warning others about how dangerous airbags can be
Click below to watch Victoria Lampard's report