AZ model is to release in January 2016 a limited edition of its 1/48th Z-50 kit ( https://www.scalemates.com/products/reviews.php?scale=1%3A48&topic=Zlin+Z-50) as Zlín Z-50LS - ref.AZ4869
Sources:
http://www.azmodel.cz/product_info.php?products_id=786&osCsid=0s3h7ar1c91llkph6vugsnqa91
http://modelweb.modelforum.cz/2015/12/15/novinky-az-model-leden-2016/
V.P.