https://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.png00Miami Flight Academyhttps://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.pngMiami Flight Academy2018-05-21 14:00:202018-05-21 14:00:20What is the significance of an ATC clearance which reads “... CRUISE SIX THOUSAND ...”?