const char * acars_labels[][2]={
{"_j", "No info to transmit. Polled mode 1"},
{"_DEL", "General response, Demand mode; no"},
{"  ", "information to transmit1"},
{"00", "Emergency situation report"},
{"2S", "Weather request"},
{"2U", "Weather"},
{"4M", "Cargo information"},
{"51", "Ground GMT request response"},
{"52", "Ground UTC request"},
{"54", "Aircrew initiated voice contact request"},
{"57", "Alternate aircrew initiated posit. rpt."},
{"5D", "ATIS request"},
{"5P", "Temporary suspension of ACARS"},
{"5R", "Aircraft initiated position report"},
{"5U", "Weather request"},
{"5Y", "Revision to previous ETA"},
{"5Z", "Airline designated downlink"},
{"7A", "Aircraft initiated engine data"},
{"7B", "Aircraft initiated misc.message"},
{"80", "Aircraft addressed downlinks"},
{"81", "Aircraft addressed downlinks"},
{"82", "Aircraft addressed downlinks"},
{"83", "Aircraft addressed downlinks"},
{"84", "Aircraft addressed downlinks"},
{"85", "Aircraft addressed downlinks"},
{"86", "Aircraft addressed downlinks"},
{"87", "Aircraft addressed downlinks"},
{"88", "Aircraft addressed downlinks"},
{"89", "Aircraft addressed downlinks"},
{"A1", "Deliver oceanic clearance"},
{"A2", "Deliver departure clearance"},
{"A4", "Acknowledge PDC"},
{"A5", "Request position report"},
{"A6", "Request ADS report"},
{"A7", "Forward free text to aircraft"},
{"A8", "Deliver departure slot"},
{"A9", "Deliver ATIS information"},
{"A0", "ATIS Facilities notification"},
{"B1", "Request oceanic clearance"},
{"B2", "Request oceanic readback"},
{"B3", "Request departure clearance"},
{"B4", "Ackn. departure clearance"},
{"B5", "Provide position report"},
{"B6", "Provide ADS report"},
{"B7", "Forward free text to ATS"},
{"B8", "Request departure slot"},
{"B9", "Request ATIS information"},
{"C0", "Uplink msg. to all cockpit printers"},
{"C1", "Uplink msg. to cockpit printer #1"},
{"C2", "Uplink msg. to cockpit printer #2"},
{"C3", "Uplink msg. to cockpit printer #3"},
{"CA", "Printer status = error"},
{"CB", "Printer status = busy"},
{"CC", "Printer status = local"},
{"CD", "Printer status = no paper"},
{"CE", "Printer status = buffer overrun"},
{"CF", "Printer status = reserved"},
{"F3", "Dedicated transceiver advisory"},
{"H1", "Message to/from terminal"},
{"HX", "Undelivered uplink report"},
{"M1", "IATA Departure message"},
{"M2", "IATA Arrival message"},
{"M3", "IATA Return to ramp message"},
{"M4", "IATA Return from airborne message"},
{"Q0", "ACARS link test"},
{"Q1", "ETA Departure/arrival reports"},
{"Q2", "ETA reports"},
{"Q3", "Clock update"},
{"Q4", "Voice circuit busy (response to 54)"},
{"Q5", "Unable to process uplinked messages"},
{"Q6", "Voice-to-ACARS change-over."},
{"Q7", "Delay message"},
{"QA", "Out/fuel report"},
{"QB", "Off report"},
{"QC", "On report"},
{"QD", "In/fuel report"},
{"QE", "Out/fuel destination report"},
{"QF", "Off/destination report"},
{"QG", "Out/return in report"},
{"QH", "Out report"},
{"QK", "Landing report"},
{"QL", "Arrival report"},
{"QM", "Arrival information report"},
{"QN", "Diversion report"},
{"QX", "Intercept"},
{"RA", "Command aircraft term. to transmit data"},
{"RB", "Response of aircraft terminal to RA msg."},
{":;", "Command aircraft xcvr to change freq."},
{0, 0}
};