Gliding is a recreational activity and competitive air sport in which pilots fly unpowered aircraft known as gliders or sailplanes using naturally occurring currents of rising air in the atmosphere to remain airborne. The word soaring is also used for the sport.
A Ventus-2 glider landing while jettisoning water that has been carried as ballast
The "gull wing" Göppingen Gö 3 Minimoa produced in Germany from 1936
Good gliding weather: Competitors studying cumulus humilis, which suggest active thermals and light winds.
A lenticular cloud produced by a mountain wave
The term "air sports" covers a range of aerial activities, including air racing, aerobatics, aeromodelling, hang gliding, human-powered aircraft, parachuting, paragliding and skydiving.
T-6 Gold Start passing the finish pylon at the 2014 Reno Air Races
Hang gliding