There is a study for that! "Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial". [1] [1] https://www.bmj.c

There is a study for that! "Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial". [1] [1] https://www.bmj.com/content/363/bmj.k5094 https://www.bmj.com/content/363/bmj.k5094