Apparatus

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sensors Mode-S transponder

0D0D91

ICAO 24-bit transponder address · allocated to Mexico

Currently assigned to XA-OCB · BOEING 737-800

Hex
0D0D91
Octal
03206621
Decimal
855,441
Country
MX
Tail
XA-OCB
Type
B738
No current signal · last broadcast 1d ago
Flights observed
229
Distinct callsigns
20
Country
MX
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 0D0D91.

Country allocation

The ICAO 24-bit address 0D0D91 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
AMX641 Aeroméxico 9 2026-06-16
AMX672 Aeroméxico 8 2026-06-14
AMX671 Aeroméxico 7 2026-06-14
AMX679 Aeroméxico 6 2026-07-02
AMX640 - 6 2026-06-15
AMX678 - 4 2026-07-01
AMX100 Aeroméxico 4 2026-06-30
AMX410 Aeroméxico 3 2026-05-31
AMX1498 Aeroméxico 3 2026-06-04
AMX103 Aeroméxico 3 2026-06-30
AMX857 Aeroméxico 2 2026-05-31
AMX855 Aeroméxico 2 2026-05-17
AMX854 Aeroméxico 2 2026-05-31
AMX852 Aeroméxico 2 2026-05-17
AMX835 Aeroméxico 2 2026-06-01
AMX831 Aeroméxico 2 2026-06-03
AMX825 Aeroméxico 2 2026-06-19
AMX815 - 2 2026-06-24
AMX812 - 2 2026-06-29
AMX801 - 2 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 AMX515 CUN → MEX Jul 12, 14:20 UTCJul 12, 16:20 UTC2h 0m
2026-07-11 AMX558 - Jul 11, 02:40 UTCJul 11, 04:30 UTC1h 50m
2026-07-10 AMX452 - Jul 10, 17:30 UTCJul 11, 00:50 UTC7h 20m
2026-07-10 AMX307 - Jul 10, 03:45 UTCJul 10, 04:15 UTC30m
2026-07-10 AMX304 - Jul 10, 01:45 UTCJul 10, 02:05 UTC20m
2026-07-09 AMX537 CUN → MEX Jul 9, 22:05 UTCJul 10, 00:00 UTC1h 55m
2026-07-09 AMX520 - Jul 9, 18:35 UTCJul 9, 20:35 UTC2h 0m
2026-07-09 AMX803 - Jul 9, 15:05 UTCJul 9, 16:00 UTC55m
2026-07-09 AMX800 - Jul 9, 12:35 UTCJul 9, 13:35 UTC1h 0m
2026-07-09 AMX109 - Jul 9, 04:05 UTCJul 9, 04:15 UTC10m
2026-07-09 AMX106 - Jul 9, 00:20 UTCJul 9, 03:15 UTC2h 55m
2026-07-08 AMX1053 - Jul 8, 21:35 UTCJul 8, 22:15 UTC40m
2026-07-08 AMX1048 - Jul 8, 19:25 UTCJul 8, 19:50 UTC25m
2026-07-08 AMX805 - Jul 8, 16:55 UTCJul 8, 17:50 UTC55m
2026-07-08 AMX802 - Jul 8, 14:30 UTCJul 8, 15:15 UTC45m
2026-07-08 AMX1045 - Jul 8, 12:25 UTCJul 8, 13:00 UTC35m
2026-07-08 AMX1054 - Jul 8, 03:55 UTCJul 8, 04:25 UTC30m
2026-07-08 AMX145 - Jul 8, 01:35 UTCJul 8, 01:45 UTC10m
2026-07-07 AMX144 MEX → CUU Jul 7, 20:30 UTCJul 8, 00:55 UTC4h 25m
2026-07-07 AMX393 - Jul 7, 15:45 UTCJul 7, 18:50 UTC3h 5m
2026-07-06 AMX1637 - Jul 6, 21:10 UTCJul 6, 21:20 UTC10m
2026-07-06 AMX1634 - Jul 6, 18:35 UTCJul 6, 18:50 UTC15m
2026-07-06 AMX315 - Jul 6, 13:05 UTCJul 6, 16:25 UTC3h 20m
2026-07-06 AMX1419 TAM → MEX Jul 6, 03:00 UTCJul 6, 03:30 UTC30m
2026-07-06 AMX1414 MEX → TAM Jul 6, 00:40 UTCJul 6, 01:05 UTC25m
2026-07-05 AMX383 - Jul 5, 17:15 UTCJul 5, 22:25 UTC5h 10m
2026-07-04 AMX452 - Jul 4, 17:25 UTCJul 5, 00:05 UTC6h 40m
2026-07-02 AMX679 GUA → MEX Jul 2, 00:10 UTCJul 2, 01:05 UTC55m
2026-07-01 AMX679 GUA → MEX Jul 1, 23:30 UTCJul 1, 23:40 UTC10m
2026-07-01 AMX678 - Jul 1, 20:35 UTCJul 1, 22:10 UTC1h 35m
2026-07-01 AMX173 TIJ → MEX Jul 1, 12:10 UTCJul 1, 13:10 UTC1h 0m
2026-07-01 AMX188 - Jul 1, 04:30 UTCJul 1, 07:35 UTC3h 5m
2026-06-30 AMX107 - Jun 30, 22:55 UTCJun 30, 23:05 UTC10m
2026-06-30 AMX102 - Jun 30, 19:10 UTCJun 30, 19:25 UTC15m
2026-06-30 AMX103 TRC → MEX Jun 30, 17:05 UTCJun 30, 17:20 UTC15m
2026-06-30 AMX100 MEX → TRC Jun 30, 13:35 UTCJun 30, 16:15 UTC2h 40m
2026-06-30 AMX679 GUA → MEX Jun 30, 00:04 UTCJun 30, 01:00 UTC55m
2026-06-29 AMX679 GUA → MEX Jun 29, 23:25 UTCJun 29, 23:34 UTC10m
2026-06-29 AMX678 - Jun 29, 20:15 UTCJun 29, 21:44 UTC1h 30m
2026-06-29 AMX1565 ZLO → MEX Jun 29, 18:10 UTCJun 29, 18:34 UTC25m
2026-06-29 AMX1564 MEX → ZLO Jun 29, 15:24 UTCJun 29, 15:39 UTC15m
2026-06-29 AMX801 - Jun 29, 12:49 UTCJun 29, 13:44 UTC55m
2026-06-29 AMX812 - Jun 29, 04:20 UTCJun 29, 05:04 UTC45m
2026-06-28 MX1605 - Jun 28, 22:39 UTCJun 29, 02:09 UTC3h 30m
2026-06-28 AMX515 - Jun 28, 14:25 UTCJun 28, 16:05 UTC1h 40m
2026-06-28 AMX564 - Jun 28, 04:35 UTCJun 28, 06:20 UTC1h 45m
2026-06-27 AMX783 - Jun 27, 20:59 UTCJun 28, 02:39 UTC5h 40m
2026-06-27 AMX782 - Jun 27, 13:24 UTCJun 27, 18:54 UTC5h 30m
2026-06-27 AMX669 - Jun 27, 01:54 UTCJun 27, 02:20 UTC25m
2026-06-26 AMX669 - Jun 26, 22:19 UTCJun 27, 00:14 UTC1h 55m

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-OCB page for operator, model, and routing details .

Mode-S 0D0D91 frequently asked

What is Mode-S code 0D0D91?
0D0D91 is an ICAO 24-bit transponder address. Allocated to Mexico. Assigned to XA-OCB.
Where is Mode-S 0D0D91 registered?
Mode-S code 0D0D91 is allocated to Mexico (MX). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0D0D91 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0D0D91, octal 03206621, decimal 855,441.
What flights does 0D0D91 operate?
Mode-S 0D0D91 has broadcast 20 distinct callsigns, including AMX641, AMX672, AMX671, AMX679, AMX640.