The sport of banzaiskydiving involves throwing a parachute out of a flying plane and then jumping after it, the aim being to catch up with it, strap it on and deploy the parachute before hitting the ground.
Craig Glenday, editor of Guinness World Records, has used Banzai Skydiving as an extreme example of the book's policy to keep records for record categories in which only the life of the participant would be put at risk. As a counter-example, he indicates that record attempts that might put another person or animal at risk, such as "fattest pet," are not allowed.