
1) Airborne pastime 2) Airborne sport 3) Aircraft configuration 4) Soaring sport 5) Sport involving updrafts
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https://www.crosswordclues.com/clue/hang-gliding

Hang gliding is an air sport in which a pilot flies a light and non-motorized foot-launch aircraft called a hang glider. Most modern hang gliders are made of an aluminium alloy or composite frame covered with synthetic sailcloth to form a wing. The pilot is ensconced in a harness suspended from the airframe, and exercises control by shifting body ...
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http://en.wikipedia.org/wiki/Hang_gliding

sport of flying in lightweight unpowered aircraft which can be carried by the pilot. Takeoff is usually achieved by launching into the air from a ...
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http://www.britannica.com/eb/a-z/h/13

[
n] - gliding in a hang glider
Found on
http://www.webdictionary.co.uk/definition.php?query=hang%20gliding
noun gliding in a hang glider
Found on
https://www.encyclo.co.uk/local/20974

Technique of unpowered flying using air currents, perfected by US engineer Francis Rogallo in the 1970s. The aeronaut is strapped into a carrier, attached to a sail wing of nylon stretched on an aluminium frame like a paper dart, and jumps into the air from a high place, where updraughts of warm air allow soaring on the thermals. See gliding
Found on
https://www.encyclo.co.uk/local/21221
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