ACARS Message Label Decoder
_ |
j |
No information to transmit. |
_ |
chr(127) |
Demand mode |
0 |
0 |
Emergency situation report |
1 |
0..9,a..z |
User defined |
2 |
s |
Weather request |
2 |
u |
Weather |
3 |
0..9, a..z |
User defined |
4 |
a..l |
User defined |
4 |
m |
Cargo information |
4 |
n..t |
User defined |
4 |
u |
Weather |
4 |
v..z |
User defined |
5 |
1 |
Ground GMT request / delivery |
5 |
2 |
Ground UTC request |
5 |
3 |
Spare |
5 |
4 |
Ground party address / voice go ahead |
5 |
7 |
Alternate aircrew initiated position report |
5 |
D |
ATIS request |
5 |
P |
Temporary suspension |
5 |
R |
Aircrew initiated position report |
5 |
U |
Weather request |
5 |
Y |
Aircrew revision to previous ETA or diversion |
5 |
Z |
Airline designated downlink |
7 |
A |
Aircrew initiated engine data / take off thrust report |
7 |
B |
Aircrew entered miscellaneous message |
8 |
0 |
Aircrew addressed downlinks |
8 |
1 |
Aircrew addressed downlinks OFF |
8 |
2..9 |
Aircrew addressed downlinks |
A |
1 |
Deliver Oceanic clearance |
A |
2 |
Unassigned |
A |
3 |
Deliver departure clearance |
A |
4 |
Acknowledge departure clearance |
A |
5 |
Request position report |
A |
6 |
Request ADS report |
A |
7 |
Forward free text message to aircraft |
A |
8 |
Deliver departure slot |
A |
9 |
Deliver ATIS information |
A |
0 |
ATIS facilities notification |
B |
1 |
Request Oceanic clearance |
B |
2 |
Request Oceanic readback |
B |
3 |
Request departure clearance |
B |
4 |
Acknowledge departure clearance |
B |
5 |
Provide position report |
B |
6 |
Provide ADS report |
B |
7 |
Forward free text to ATS |
B |
8 |
Request departure slot |
B |
9 |
Request ATIS information |
B |
0 |
ATIS facilities notification |
C |
0 |
Uplink to all cockpit printers |
C |
1 |
Uplink to cockpit printer No.1 |
C |
2 |
Uplink to cockpit printer No.2 |
C |
3 |
Uplink to cockpit printer No.3 |
C |
A |
Printer Status = Error |
C |
B |
Printer Status = Busy |
C |
C |
Printer Status = Local test mode |
C |
D |
Printer Status = Out of paper |
C |
E |
Printer Status = Buffer overrun |
C |
F |
Printer Status = Reserved |
F |
3 |
Dedicated Data Transceiver Advisory |
H |
1 |
Message to/from terminal |
H |
X |
Undelivered uplink report |
M |
1 |
IATA departure message |
M |
2 |
IATA arrival message |
M |
3 |
IATA return to ramp message |
M |
4 |
IATA return from airborne message |
Q |
0 |
Link Test |
Q |
1 |
Departure / Arrival reports |
Q |
2 |
ETA report |
Q |
3 |
GMT clock update |
Q |
4 |
Voice circuit busy |
Q |
5 |
Unable to deliver uplinked messages |
Q |
6 |
Voice to ACARS channel change over |
Q |
7 |
Delay message |
Q |
A |
Out / Fuel report |
Q |
B |
Off report |
Q |
C |
On report |
Q |
D |
In / Fuel report |
Q |
E |
Out / Fuel destination report |
Q |
F |
In / Fuel destination report |
Q |
G |
Out / Return in report |
Q |
H |
Out report |
Q |
K |
Landing report |
Q |
L |
Arrival report |
Q |
M |
Arrival information report |
Q |
N |
Diversion report |
Q |
X |
Intercept unable to report |
R |
A |
Command aircraft transmit diagnostic |
R |
B |
Command / response downlink |
: |
; |
Command change frequency |