SKYSURFING is validvalid

the act of skysurfing [n SKYSURFINGS] / SKYSURF, to perform maneuvers during free fall while riding on a skyboard [v]

140,499 of 196,601 in NWL2023·also valid in CSW24

the sport of free-falling from an aeroplane with a modified surfboard attached to the feet, which is used to ride the air currents [n -S]