By Garth Calitz Originally designed and built by Curtis Pitts in 1944, the Pitts biplanes were the leading aircraft in world aerobatic competitions during the 1960s and 1970s. They continue to be a strong contender in lower-category competitions today. Curtis Pitts started designing a single-seat aerobatic biplane in 1943. Although the design has been continuously refined since the prototype's first flight in September 1944, the current Pitts S-2 remains very similar to the o

By Garth and Geraldine Calitz The quiet industrial town of Vereeniging was awakened by the roar of high-powered aerobatic aircraft over the weekend of December 2nd and 3rd. The Sport Aerobatic Club of South Africa hosted its final aerobatic competition of the year. The Ace of Base competition stands out from other competitions in South Africa. In most other contests, the overall winner is the victor of the unlimited class. However, in Ace of Base, the title of "Ace of Base" i