Apparatus

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sensors Mode-S transponder

7503B1

ICAO 24-bit transponder address · allocated to Malaysia

Currently assigned to 9M-AJG · AIRBUS A-320

Hex
7503B1
Octal
35201661
Decimal
7,668,657
Country
MY
Tail
9M-AJG
Type
A320
No current signal · last broadcast 12h ago
Flights observed
232
Distinct callsigns
20
Country
MY
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 7503B1.

Country allocation

The ICAO 24-bit address 7503B1 falls within the block assigned to Malaysia (MY) by ICAO Annex 10, Volume III. Every aircraft registered in Malaysia 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
AXM171 AirAsia 10 2026-05-25
AXM170 AirAsia 9 2026-05-25
AXM73 AirAsia 7 2026-05-27
AXM72 AirAsia 6 2026-05-26
AXM407 AirAsia 6 2026-05-29
AXM649 AirAsia 5 2026-05-23
AXM648 AirAsia 5 2026-05-23
AXM472 AirAsia 5 2026-05-14
AXM471 AirAsia 5 2026-05-14
AXM406 AirAsia 5 2026-05-29
AXM885 AirAsia 4 2026-05-28
AXM884 AirAsia 4 2026-05-28
AXM69 AirAsia 4 2026-05-22
AXM68 AirAsia 4 2026-05-22
AXM6433 AirAsia 4 2026-05-23
AXM6432 AirAsia 4 2026-05-23
AXM22 AirAsia 4 2026-05-23
AXM136 AirAsia 4 2026-05-06
AXM113 AirAsia 4 2026-05-17
AXM112 AirAsia 4 2026-05-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AXM6220 KUL → TGG May 29, 10:45 UTCMay 29, 12:40 UTC1h 55m
2026-05-29 AXM396 KNO → KUL May 29, 09:20 UTCMay 29, 09:50 UTC30m
2026-05-29 AXM397 KUL → KNO May 29, 07:40 UTCMay 29, 08:00 UTC20m
2026-05-29 AXM407 PDG → KUL May 29, 05:45 UTCMay 29, 06:15 UTC30m
2026-05-29 AXM406 KUL → PDG May 29, 03:55 UTCMay 29, 04:25 UTC30m
2026-05-28 AXM897 DMK → KUL May 28, 16:35 UTCMay 28, 16:55 UTC20m
2026-05-28 AXM897 DMK → KUL May 28, 15:05 UTCMay 28, 15:45 UTC40m
2026-05-28 AXM896 KUL → DMK May 28, 12:00 UTCMay 28, 13:50 UTC1h 50m
2026-05-28 AXM885 DMK → KUL May 28, 10:10 UTCMay 28, 10:30 UTC20m
2026-05-28 AXM885 DMK → KUL May 28, 08:40 UTCMay 28, 09:00 UTC20m
2026-05-28 AXM884 KUL → DMK May 28, 07:25 UTCMay 28, 07:45 UTC20m
2026-05-28 AXM884 KUL → DMK May 28, 06:00 UTCMay 28, 06:25 UTC25m
2026-05-28 AXM461 PLM → KUL May 28, 03:55 UTCMay 28, 04:50 UTC55m
2026-05-28 AXM462 KUL → PLM May 28, 02:00 UTCMay 28, 02:55 UTC55m
2026-05-27 AXM73 MLE → KUL May 27, 11:25 UTCMay 27, 20:40 UTC9h 15m
2026-05-27 AXM428 PKU → KUL May 27, 09:25 UTCMay 27, 09:45 UTC20m
2026-05-27 AXM429 KUL → PKU May 27, 08:05 UTCMay 27, 08:30 UTC25m
2026-05-27 AXM643 DAD → KUL May 27, 06:44 UTCMay 27, 07:05 UTC21m
2026-05-27 AXM642 KUL → DAD May 27, 01:24 UTCMay 27, 01:44 UTC20m
2026-05-26 AXM73 MLE → KUL May 26, 20:45 UTCMay 26, 21:04 UTC20m
2026-05-26 AXM72 KUL → MLE May 26, 11:44 UTCMay 26, 12:10 UTC25m
2026-05-26 AXM6229 TGG → KUL May 26, 08:54 UTCMay 26, 09:19 UTC25m
2026-05-26 AXM6228 KUL → TGG May 26, 07:19 UTCMay 26, 07:34 UTC15m
2026-05-26 AXM5653 KUL → MYY May 26, 01:00 UTCMay 26, 05:30 UTC4h 30m
2026-05-25 AXM46 CMB → KUL May 25, 13:05 UTCMay 25, 20:45 UTC7h 39m
2026-05-25 AXM171 KHH → KUL May 25, 05:35 UTCMay 25, 09:40 UTC4h 5m
2026-05-25 AXM170 KUL → KHH May 25, 03:45 UTCMay 25, 04:40 UTC55m
2026-05-24 AXM585 MNL → KUL May 24, 15:00 UTCMay 24, 18:20 UTC3h 20m
2026-05-24 AXM584 KUL → MNL May 24, 10:10 UTCMay 24, 13:30 UTC3h 20m
2026-05-24 AXM304 KUL → LOP May 24, 01:25 UTCMay 24, 07:45 UTC6h 20m
2026-05-23 AXM22 TRZ → KUL May 23, 13:00 UTCMay 23, 20:50 UTC7h 50m
2026-05-23 AXM6433 KBR → KUL May 23, 11:15 UTCMay 23, 11:40 UTC25m
2026-05-23 AXM6432 KUL → KBR May 23, 09:30 UTCMay 23, 09:45 UTC15m
2026-05-23 AXM649 DAD → KUL May 23, 07:45 UTCMay 23, 08:15 UTC30m
2026-05-23 AXM648 KUL → DAD May 23, 02:30 UTCMay 23, 02:45 UTC15m
2026-05-22 AXM68 HYD → KUL May 22, 22:05 UTCMay 22, 22:35 UTC30m
2026-05-22 AXM69 KUL → HYD May 22, 13:40 UTCMay 22, 13:55 UTC15m
2026-05-22 AXM6015 AOR → KUL May 22, 11:35 UTCMay 22, 11:50 UTC15m
2026-05-22 AXM6014 KUL → AOR May 22, 09:45 UTCMay 22, 10:00 UTC15m
2026-05-22 AXM304 KUL → LOP May 22, 01:30 UTCMay 22, 07:40 UTC6h 10m
2026-05-21 AXM310 KUL → LBJ May 21, 03:10 UTCMay 21, 10:40 UTC7h 30m
2026-05-20 AXM28 TRZ → KUL May 20, 14:55 UTCMay 20, 22:45 UTC7h 50m
2026-05-20 AXM334 KUL → UPG May 20, 06:50 UTCMay 20, 13:10 UTC6h 20m
2026-05-20 AXM517 HAN → KUL May 20, 04:30 UTCMay 20, 04:45 UTC16m
2026-05-19 AXM516 KUL → HAN May 19, 22:10 UTCMay 19, 22:25 UTC15m
2026-05-19 AXM421 KUL → BTJ May 19, 09:15 UTCMay 19, 12:05 UTC2h 50m
2026-05-19 AXM430 PKU → KUL May 19, 03:55 UTCMay 19, 04:20 UTC25m
2026-05-19 AXM431 KUL → PKU May 19, 02:40 UTCMay 19, 03:05 UTC25m
2026-05-19 AXM6021 AOR → KUL May 19, 01:10 UTCMay 19, 01:20 UTC10m
2026-05-18 AXM6020 KUL → AOR May 18, 23:25 UTCMay 18, 23:35 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 9M-AJG page for operator, model, and routing details .

Mode-S 7503B1 frequently asked

What is Mode-S code 7503B1?
7503B1 is an ICAO 24-bit transponder address. Allocated to Malaysia. Assigned to 9M-AJG.
Where is Mode-S 7503B1 registered?
Mode-S code 7503B1 is allocated to Malaysia (MY). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7503B1 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7503B1, octal 35201661, decimal 7,668,657.
What flights does 7503B1 operate?
Mode-S 7503B1 has broadcast 20 distinct callsigns, including AXM171, AXM170, AXM73, AXM72, AXM407.