Apparatus

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sensors Mode-S transponder

AD526B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N958AM · BOEING 737-800 · operated by UMB BANK NA TRUSTEE

Hex
AD526B
Octal
53251153
Decimal
11,358,827
Country
US
Tail
N958AM
Type
B738
No current signal · last broadcast 20h ago
Flights observed
145
Distinct callsigns
20
Country
US
Last broadcast
20h ago

Last known position

Most recent position reported by Mode-S AD526B.

Country allocation

The ICAO 24-bit address AD526B falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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 2026-05-16
AMX640 Aeroméxico 6 2026-05-15
AMX411 Aeroméxico 5 2026-04-29
AMX708 Aeroméxico 4 2026-04-23
AMX410 Aeroméxico 4 2026-04-28
AMX177 Aeroméxico 4 2026-05-04
AMX825 Aeroméxico 3 2026-05-11
AMX643 Aeroméxico 3 2026-05-01
AMX642 Aeroméxico 3 2026-04-30
AMX339 Aeroméxico 3 2026-05-08
AMX939 Aeroméxico 2 2026-05-06
AMX935 Aeroméxico 2 2026-05-27
AMX909 Aeroméxico 2 2026-05-27
AMX709 Aeroméxico 2 2026-04-23
AMX705 Aeroméxico 2 2026-04-18
AMX472 Aeroméxico 2 2026-05-01
AMX419 Aeroméxico 2 2026-05-01
AMX353 Aeroméxico 2 2026-04-25
AMX350 Aeroméxico 2 2026-04-25
AMX333 Aeroméxico 2 2026-05-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AMX186 MEX → TIJ May 29, 02:45 UTCMay 29, 06:00 UTC3h 15m
2026-05-29 AMX145 CUU → MEX May 29, 00:10 UTCMay 29, 00:25 UTC15m
2026-05-28 AMX142 MEX → CUU May 28, 19:45 UTCMay 28, 19:55 UTC10m
2026-05-28 AMX120 CJS → MEX May 28, 04:25 UTCMay 28, 04:35 UTC10m
2026-05-28 AMX120 CJS → MEX May 28, 02:45 UTCMay 28, 03:45 UTC1h 0m
2026-05-27 AMX117 MEX → CJS May 27, 23:05 UTCMay 28, 01:25 UTC2h 20m
2026-05-27 AMX935 MTY → MEX May 27, 21:00 UTCMay 27, 21:15 UTC15m
2026-05-27 AMX935 MTY → MEX May 27, 20:05 UTCMay 27, 20:25 UTC20m
2026-05-27 AMX918 MEX → MTY May 27, 17:25 UTCMay 27, 18:35 UTC1h 10m
2026-05-27 AMX909 MTY → MEX May 27, 15:15 UTCMay 27, 15:25 UTC10m
2026-05-27 AMX909 MTY → MEX May 27, 14:15 UTCMay 27, 14:45 UTC30m
2026-05-22 AMX960 MEX → MTY May 22, 03:35 UTCMay 22, 04:45 UTC1h 10m
2026-05-21 AMX105 TRC → MEX May 21, 16:15 UTCMay 21, 20:45 UTC4h 30m
2026-05-19 AMX829 MID → MEX May 19, 14:35 UTCMay 19, 18:40 UTC4h 5m
2026-05-16 AMX641 BOS → MEX May 16, 14:20 UTCMay 16, 19:25 UTC5h 5m
2026-05-15 AMX640 MEX → BOS May 15, 19:20 UTCMay 16, 00:10 UTC4h 50m
2026-05-15 AMX333 PVR → MEX May 15, 15:45 UTCMay 15, 16:05 UTC20m
2026-05-15 AMX330 MEX → PVR May 15, 12:35 UTCMay 15, 12:45 UTC10m
2026-05-15 AMX387 SJD → MEX May 15, 03:25 UTCMay 15, 03:35 UTC10m
2026-05-14 AMX384 MEX → SJD May 14, 23:00 UTCMay 14, 23:10 UTC10m
2026-05-14 AMX147 CUU → MEX May 14, 02:55 UTCMay 14, 03:00 UTC5m
2026-05-13 AMX144 MEX → CUU May 13, 21:15 UTCMay 14, 02:00 UTC4h 45m
2026-05-13 AMX857 VER → MEX May 13, 18:40 UTCMay 13, 19:20 UTC40m
2026-05-13 AMX854 MEX → VER May 13, 16:40 UTCMay 13, 17:15 UTC35m
2026-05-13 AMX823 MID → MEX May 13, 14:10 UTCMay 13, 15:05 UTC55m
2026-05-12 AMX838 MEX → MID May 12, 04:05 UTCMay 12, 04:55 UTC50m
2026-05-11 AMX382 MEX → SJD May 11, 18:25 UTCMay 11, 18:35 UTC10m
2026-05-11 AMX825 MID → MEX May 11, 12:45 UTCMay 11, 16:55 UTC4h 10m
2026-05-10 AMX1457 ZIH → MEX May 10, 01:24 UTCMay 10, 01:55 UTC30m
2026-05-09 AMX1456 MEX → ZIH May 9, 23:25 UTCMay 9, 23:44 UTC20m
2026-05-09 AMX317 ABX → MEB May 9, 17:20 UTCMay 9, 21:45 UTC4h 25m
2026-05-09 AMX501 CUN → MEX May 9, 00:50 UTCMay 9, 13:10 UTC12h 20m
2026-05-08 AMX339 PVR → MEX May 8, 19:40 UTCMay 8, 23:25 UTC3h 45m
2026-05-08 AMX649 LAX → MEX May 8, 14:15 UTCMay 8, 15:35 UTC1h 20m
2026-05-08 AMX648 MEX → LAX May 8, 02:04 UTCMay 8, 05:35 UTC3h 30m
2026-05-07 AMX339 PVR → MEX May 7, 20:05 UTCMay 7, 23:24 UTC3h 20m
2026-05-07 AMX141 CUU → MEX May 7, 18:15 UTCMay 7, 18:25 UTC10m
2026-05-07 MEXCUU - May 7, 13:35 UTCMay 7, 17:25 UTC3h 50m
2026-05-07 AMX149 CUU → MEX May 7, 05:05 UTCMay 7, 05:15 UTC10m
2026-05-07 AMX146 MEX → CUU May 7, 00:25 UTCMay 7, 04:15 UTC3h 50m
2026-05-06 AMX939 MTY → MEX May 6, 22:25 UTCMay 6, 22:35 UTC10m
2026-05-06 AMX939 MTY → MEX May 6, 21:30 UTCMay 6, 21:55 UTC25m
2026-05-06 AMX926 MEX → MTY May 6, 19:05 UTCMay 6, 20:10 UTC1h 5m
2026-05-06 AMX825 MID → MEX May 6, 12:20 UTCMay 6, 16:40 UTC4h 20m
2026-05-05 AMX145 CUU → MEX May 5, 20:30 UTCMay 6, 01:01 UTC4h 30m
2026-05-05 AMX142 MEX → CUU May 5, 19:40 UTCMay 5, 19:50 UTC10m
2026-05-05 AMX303 ACA → MEX May 5, 17:05 UTCMay 5, 17:35 UTC30m
2026-05-05 AMX300 MEX → ACA May 5, 14:45 UTCMay 5, 15:10 UTC25m
2026-05-05 AMX953 MTY → MEX May 5, 01:35 UTCMay 5, 02:40 UTC1h 5m
2026-05-04 AMX940 MEX → MTY May 4, 22:50 UTCMay 5, 00:05 UTC1h 15m

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 N958AM page for operator, model, and routing details .

Mode-S AD526B frequently asked

What is Mode-S code AD526B?
AD526B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N958AM.
Where is Mode-S AD526B registered?
Mode-S code AD526B is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is AD526B broadcasting right now?
No active broadcast right now. Last signal was 20h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD526B, octal 53251153, decimal 11,358,827.
What flights does AD526B operate?
Mode-S AD526B has broadcast 20 distinct callsigns, including AMX641, AMX640, AMX411, AMX708, AMX410.