LS4b glider project for sale with complette documentation and production tools. LS4 series glider is undoubtedly still the most preferred single-seater club and training sailplane for enjoyment and for a simple and safe gliding. So far, 1050 gliders of the LS4,-a,-b models have been manufactured. LS4b is the glider of Rolladen Schneider Flugzeugbau GmbH design