It appears that Rotax is discontinuing production of the 447 and the 503 engines. The date at the top of the article is dated today. http://www.ultralightflying.com/late...el-flight.html
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It appears that Rotax is discontinuing production of the 447 and the 503 engines. The date at the top of the article is dated today. http://www.ultralightflying.com/late...el-flight.html