WAC2013 | 27th FAI World Aerobatic Championship
WAC2013. Home. 27th FAI World Aerobatic Championship. Sponsor the WAC. Become a sponsor today. Main menu. Welcome to WAC 2013, the 27th FAI World Aerobatic Championships . You will find the very best of the best aerobatic pilots from all over the world at North Texas Regional Airport/Perrin Field (KGYI), Grayson County, Texas, USA, October 9th through 20th, 2013 competing for national team and world champion titles.