The ASTM committee writing a LSA standard for weight shift aircraft, or “trikes,” succeeded with a final ballot. (Photo by Scott Johnson)
After a detailed review, ASTM’s Weight-Shift Control Sub Committee got their Design and Performance Standard through final ballot. This was reported at the mid-May ’05 ASTM Committee meeting for Light-Sport Aircraft. Once FAA issues their Notice of Availability trikes can be manufactured and sold as S-LSAs, joining fixed wing airplanes and powered parachutes. AirBorne trikes (photo) have Australian certification plus now that country plans to adopt the entire U.S. Sport Pilot/Light-Sport Aircraft regulation. To keep up with the growing list of aircraft that have received their certificates, one good source is EAA’s Sport Pilot website.
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