Wave soaring

===== 2011-03-09 (Suspected copyright violations) ===== ...
Found on http://en.wikipedia.org/wiki/Wave_soaring

wave soaring

(from the article `gliding`) ...if deftly piloted, to attain substantial increases in altitude. Slope soaring occurs when moving air is forced up by a ridge. By following the ...
Found on http://www.britannica.com/eb/a-z/w/16
No exact match found