The Extra 300S was first introduced in 1992 as an answer to the incredible Russian Sukhoi Su-26 monoplane. The plane has only one seat, but uses the same engine as the original 300, resulting in lower weight and increased performance. The wing has been lowered in comparison to the Extra 300 to give the pilot better visibility. The 300S is now probably the most common Extra seen in competition. It remains truest to the Extra series' heritage of unlimited competition monoplanes.