https://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.png00Miami Flight Academyhttps://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.pngMiami Flight Academy2018-06-06 14:21:322018-06-06 14:21:32What minimum distance should exist between intense radar echoes before any attempt is made to fly between these thunderstorms?