Matches in DBpedia 2016-04 for { ?s ?p "The Stephens Akro is a single engine monoplane designed in the United States for aerobatic competitions. It first flew in 1967 and proved vary successful, leading to several developments of which one won seven US Championships and one World Championship between 1975 and 1982. The Extra EA-230 and Extra EA-300 were also Akro developments with over two hundred built."@en }
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- Stephens_Akro abstract "The Stephens Akro is a single engine monoplane designed in the United States for aerobatic competitions. It first flew in 1967 and proved vary successful, leading to several developments of which one won seven US Championships and one World Championship between 1975 and 1982. The Extra EA-230 and Extra EA-300 were also Akro developments with over two hundred built.".
- Q7610944 abstract "The Stephens Akro is a single engine monoplane designed in the United States for aerobatic competitions. It first flew in 1967 and proved vary successful, leading to several developments of which one won seven US Championships and one World Championship between 1975 and 1982. The Extra EA-230 and Extra EA-300 were also Akro developments with over two hundred built.".
- Stephens_Akro comment "The Stephens Akro is a single engine monoplane designed in the United States for aerobatic competitions. It first flew in 1967 and proved vary successful, leading to several developments of which one won seven US Championships and one World Championship between 1975 and 1982. The Extra EA-230 and Extra EA-300 were also Akro developments with over two hundred built.".
- Q7610944 comment "The Stephens Akro is a single engine monoplane designed in the United States for aerobatic competitions. It first flew in 1967 and proved vary successful, leading to several developments of which one won seven US Championships and one World Championship between 1975 and 1982. The Extra EA-230 and Extra EA-300 were also Akro developments with over two hundred built.".