Ключевые слова: acrobat, acrobatic, acrobatics, aerial, aerobatic, aerobatics, aeroplane, aerospace, africa, air, aircraft, airplane, airshow, aviation, blue, demonstration, demonstrative, engine, exhibition, flight, flying, formation, jet, johannesburg, performance, pilot, piloting, plane, propeller, show, single, singleengine, sky, skywriting, smoke, smoke trials, south africa, speed, sport, squadron, team, technology, transport, vintage,