10 0 ASDAR 21 1 ASDAR(ACARS ALSO AVAILABLE BUT NOT OPERATIVE) 32 2 ASDAR(ACARS ALSO AVAILABLE AND OPERATIVE) 43 3 ACARS 54 4 ACARS(ASDAR ALSO AVALILABLE BUT NOT OPERATIVE) 65 5 ACARS(ASDAR ALSO AVAILABLE AND OPERATIVE) 715 15 MISSING VALUE 8