RV-12is Kit Plane by Van's Aircraft - Light Sport Aircraft (LSA) - Plane Truth The Van's Aircraft RV-12is is the newest version of the already successful RV-12 ULS. It is the easiest build that Vans has produced to date and was engineered with detachable wings and therefore trailerable. It is reasonably priced compared to similar kit planes. Possibly the best two seater kit plane to date. You can build an RV-12 quicker than any of Van's other model. Made in the USA with detailed, step-by-step and fully-illustrated builders manual. RV-12is is Light Sport, TOTAL PERFORMANCE!