Three $begingroup$ Gliders are a bit of a Particular scenario. Activity gliders typically fly in shut proximity, and so have an increased-than-normal probability of mid-air collision. They're also easier to exit from. $endgroup$ DJClayworth Sky Dive / Parachute Health-related, We undertake Parachute medicals for individuals wishing to Check out skydives https://skydivinggearequipment.com/