https://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.png00Miami Flight Academyhttps://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.pngMiami Flight Academy2018-05-11 16:54:552018-05-11 16:54:55When must batteries in an emergency locator transmitter (ELT) be replaced or recharged, if rechargeable?