SAM Colombia Flight 501
[2] The captain was 31-year-old Mauricio Oswaldo Vacca Mejía, qualified in May 1992 as a Boeing 727 commander, he had clocked a total of 3,943 flying hours.His first officer, 29-year-old Julio César Andrade Granados, had a total of 1,651 flying hours, and worked as a flight engineer prior to qualifying as a co-pilot in February 1993.And 45-year-old Flight Engineer Jaime Eduardo Martínez Basallo had a total of 553 hours with SAM Colombia ever since he was employed in mid-1992.[2][3] Thunderstorm activity in the area made automatic direction finder (ADF) navigation more difficult, and the Medellín VOR/DME was unusable, having been attacked by terrorists.After multiple failed attempts to contact the flight, Medellín ATC declared an emergency.