OBS_VALUE: <ul><li><a href=https://www.aerocivil.gov.co/normatividad/RAC/RAC%20%203%20-%20Actividades%20A%C3%A9reas%20%20Civiles.pdf target=_blank>Colombian Aeronautical Rules, RAC 3(Reglamentos Aeronáuticos de Colombia. 18 September 2009, Last amended 16 March 2017, Part Three )</a></li></ul>