The RRG Urubu Obs (the Urubu is an Argentinian Vulture) often known just as the RRG Obs was a one-off large two or three seat glider designed for meteorological observations by Alexander Lippisch in Germany and first flown in 1932.
This page contains content from the copyrighted Wikipedia article "RRG Urubu Obs"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.