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 16:57:522018-05-11 16:57:52When must the battery in an emergency locator transmitter (ELT) be replaced (or recharged if the battery is rechargeable)?