The 24th World Aerobatic Championships opened in Granada, Spain last night in ceremonies at Armilla Air Base. Flying began today with Programme Q. 51 pilots from 11 nations are competing. Countries entered in the competition include Czech Republic, France, Great Britain, Germany, Israel, Italy, Japan, Russia, Spain, Switzerland, and the United States of America. One pilot is entered as an independent and will fly "hors concours". Pilot are contending with high density altitude and temperatures today but are faring well. They are being judged by a team of 8 judges under the direction of Chief Judge John Gaillard of South Africa. Antonio Quintana is Contest Director of the event.