OBS_VALUE: <ul><li><a href=http://www.ecfr.gov/cgi-bin/text-idx?SID=57ad204e1b0c5850e1f96a689ef070e7&mc=true&node=se14.2.93_1215&rgn=div8 target=_blank>Aeronautics and Space(14 C.F.R. §93.215 (2017) )</a></li></ul>