Description:

The record of 8848 m/29029 ft was established by Dider Delsalle piloting an Aérospatiale AS350 B3 (F-WQEX)  (see FAI record 11596)

Source: "Eurocopter Announces Landing on Everest Summit", M.E. Rhett Flatter, VERTIFLITE Fall 2005, Page 10