Check the listing for details. E-flite RC Airplane UMX WACO White BNF Basic with AS3X & SAFE EFLU53550. Color: White, Condition: New. Listed at 169.99 USD. Introduction The Weaver Aircraft Company of Ohio (WACO) was founded by aviators whose love of flight and daring tenacity led them to produce over 60 different aircraft models in just 28 years. This made WACO one of the leading manufacturers of aircraft during the Golden Age of Aviation. In 1985 the founders of the Classic Aircraft Foundation set out to reincarnate the iconic YMF model. And now, the E-flite® UMX™ WACO has been updated and upgraded to be an even easier and more fun to fly tribute to the revered biplane! It’s equipped with optional-use SAFE® Select, is both 2S and 3S compatible, plus provides real-time battery voltage telemetry to compatible transmitters. And because of its ultra-micro size, the UMX WACO can be flown indoors in gymnasiums and other suitable spaces, or.