sensors Mode-S transponder

0D0E21

ICAO 24-bit transponder address · allocated to Mexico

Currently assigned to XA-MJJ · BOEING 737 MAX 9

Hex
0D0E21
Octal
03207041
Decimal
855,585
Country
MX
Tail
XA-MJJ
Type
B39M
No current signal · last broadcast Jul 26, 22:05 UTC
Flights observed
392
Distinct callsigns
20
Country
MX
Last broadcast
Jul 26, 22:05 UTC

Last known position

Most recent position reported by Mode-S 0D0E21.

Country allocation

The ICAO 24-bit address 0D0E21 falls within the block assigned to Mexico (MX) by ICAO Annex 10, Volume III. Every aircraft registered in Mexico receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
AMX185 Aeroméxico 10 2026-06-11
AMX233 Aeroméxico 9 2026-07-21
AMX178 Aeroméxico 9 2026-06-10
AMX118 - 8 2026-06-20
AMX115 Aeroméxico 8 2026-06-20
AMX120 Aeroméxico 7 2026-05-27
AMX221 - 6 2026-07-10
AMX191 - 6 2026-07-12
AMX117 Aeroméxico 6 2026-05-27
AMX964 - 5 2026-07-19
AMX953 - 5 2026-06-20
AMX940 Aeroméxico 5 2026-06-19
AMX925 - 5 2026-07-09
AMX903 Aeroméxico 5 2026-07-20
AMX516 - 5 2026-06-18
AMX222 - 5 2026-07-21
AMX217 - 5 2026-07-16
AMX170 Aeroméxico 5 2026-05-29
AMX909 - 4 2026-07-19
AMX689 Aeroméxico 4 2026-05-31

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AMX423 MIA → MEX Jul 26, 19:20 UTCJul 26, 22:05 UTC2h 45m
2026-07-26 AMX412 MEX → MIA Jul 26, 13:30 UTCJul 26, 16:25 UTC2h 55m
2026-07-25 AMX423 MIA → MEX Jul 25, 19:05 UTCJul 25, 21:50 UTC2h 45m
2026-07-25 AMX412 MEX → MIA Jul 25, 13:25 UTCJul 25, 16:15 UTC2h 50m
2026-07-25 AMX471 IAH → MEX Jul 25, 02:00 UTCJul 25, 03:40 UTC1h 40m
2026-07-24 AMX470 MEX → IAH Jul 24, 21:50 UTCJul 24, 23:50 UTC2h 0m
2026-07-23 AMX145 CUU → MEX Jul 23, 21:50 UTCJul 24, 02:40 UTC4h 50m
2026-07-23 AX221 - Jul 23, 16:45 UTCJul 23, 20:05 UTC3h 20m
2026-07-23 AMX205 - Jul 23, 04:35 UTCJul 23, 13:55 UTC9h 20m
2026-07-22 AMX834 MEX → MID Jul 22, 22:30 UTCJul 23, 02:40 UTC4h 10m
2026-07-22 AMX633 SAT → MEX Jul 22, 19:10 UTCJul 22, 20:50 UTC1h 40m
2026-07-22 AMX632 MEX → SAT Jul 22, 15:20 UTCJul 22, 17:00 UTC1h 40m
2026-07-22 AMX821 MID → MEX Jul 22, 04:25 UTCJul 22, 13:30 UTC9h 5m
2026-07-21 AMX819 - Jul 21, 23:00 UTCJul 22, 02:25 UTC3h 25m
2026-07-21 AMX233 GDL → MEX Jul 21, 20:45 UTCJul 21, 21:05 UTC20m
2026-07-21 AMX222 - Jul 21, 17:55 UTCJul 21, 18:10 UTC15m
2026-07-21 AMX911 MTY → MEX Jul 21, 15:05 UTCJul 21, 16:10 UTC1h 5m
2026-07-21 AMX900 MEX → MTY Jul 21, 12:25 UTCJul 21, 13:30 UTC1h 5m
2026-07-20 AMX751 CTG → MEX Jul 20, 21:55 UTCJul 21, 01:25 UTC3h 30m
2026-07-20 AMX750 - Jul 20, 16:20 UTCJul 20, 19:50 UTC3h 30m
2026-07-20 AMX903 MTY → MEX Jul 20, 13:00 UTCJul 20, 14:05 UTC1h 5m
2026-07-20 AMX960 MEX → MTY Jul 20, 03:45 UTCJul 20, 04:55 UTC1h 10m
2026-07-19 AMX443 MCO → MEX Jul 19, 22:20 UTCJul 20, 01:15 UTC2h 55m
2026-07-19 AMX434 - Jul 19, 16:55 UTCJul 19, 20:05 UTC3h 10m
2026-07-19 AMX909 - Jul 19, 14:55 UTCJul 19, 15:05 UTC10m
2026-07-19 AMX909 - Jul 19, 14:00 UTCJul 19, 14:25 UTC25m
2026-07-19 AMX964 - Jul 19, 04:15 UTCJul 19, 05:25 UTC1h 10m
2026-07-18 AMX233 GDL → MEX Jul 18, 18:10 UTCJul 18, 21:30 UTC3h 20m
2026-07-18 AMX657 SJO → MEX Jul 18, 13:45 UTCJul 18, 16:20 UTC2h 35m
2026-07-18 AMX656 MEX → SJO Jul 18, 02:55 UTCJul 18, 05:20 UTC2h 25m
2026-07-17 AMX456 IAD → MEX Jul 17, 21:15 UTCJul 18, 01:00 UTC3h 45m
2026-07-17 AMX455 - Jul 17, 14:55 UTCJul 17, 18:50 UTC3h 55m
2026-07-17 AMX839 - Jul 17, 00:25 UTCJul 17, 04:39 UTC4h 15m
2026-07-16 AMX1546 - Jul 16, 19:35 UTCJul 16, 22:19 UTC2h 45m
2026-07-16 AMX217 - Jul 16, 14:45 UTCJul 16, 17:54 UTC3h 10m
2026-07-14 AMX837 - Jul 14, 22:35 UTCJul 15, 03:30 UTC4h 54m
2026-07-14 AMX633 - Jul 14, 19:10 UTCJul 14, 20:55 UTC1h 45m
2026-07-14 AMX632 - Jul 14, 15:30 UTCJul 14, 17:10 UTC1h 40m
2026-07-14 AMX501 - Jul 14, 11:10 UTCJul 14, 13:00 UTC1h 50m
2026-07-14 AMX556 - Jul 14, 01:35 UTCJul 14, 03:30 UTC1h 55m
2026-07-13 AMX441 - Jul 13, 19:10 UTCJul 13, 21:55 UTC2h 45m
2026-07-13 AMX440 MEX → MCO Jul 13, 14:15 UTCJul 13, 17:10 UTC2h 55m
2026-07-12 AMX456 IAD → MEX Jul 12, 21:25 UTCJul 13, 01:30 UTC4h 5m
2026-07-12 AMX455 - Jul 12, 15:15 UTCJul 12, 19:15 UTC4h 0m
2026-07-12 AMX191 - Jul 12, 10:50 UTCJul 12, 11:01 UTC10m
2026-07-12 AMX191 - Jul 12, 08:25 UTCJul 12, 09:05 UTC40m
2026-07-12 AMX198 - Jul 12, 02:50 UTCJul 12, 05:30 UTC2h 40m
2026-07-11 AMX421 - Jul 11, 21:40 UTCJul 12, 00:45 UTC3h 5m
2026-07-11 AMX420 - Jul 11, 16:55 UTCJul 11, 19:40 UTC2h 45m
2026-07-11 AMX189 - Jul 11, 06:10 UTCJul 11, 06:20 UTC10m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the XA-MJJ page for operator, model, and routing details .

Mode-S 0D0E21 frequently asked

What is Mode-S code 0D0E21?
0D0E21 is an ICAO 24-bit transponder address. Allocated to Mexico. Assigned to XA-MJJ.
Where is Mode-S 0D0E21 registered?
Mode-S code 0D0E21 is allocated to Mexico (MX). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0D0E21 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0D0E21, octal 03207041, decimal 855,585.
What flights does 0D0E21 operate?
Mode-S 0D0E21 has broadcast 20 distinct callsigns, including AMX185, AMX233, AMX178, AMX118, AMX115.