Airshow pilot Vicky Benzing performing aerobatics in her Extra 300 at the Watsonville Airshow. The Extra Flugzeugbau EA-300 is a two-seat aerobatic monoplane capable of Unlimited category competition. It was designed in 1987 by Walter Extra. It has a welded steel tube fuselage covered in fiberglass and fabric. The mid-set wing has a carbon fiber composite spar and fiberglass skins. A symmetrical airfoil, mounted with a zero angle of incidence, provides equal performance in both upright and inver