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 17h ago
Flights observed
410
Distinct callsigns
20
Country
MY
Last broadcast
17h 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 12 2026-06-06
AXM170 AirAsia 11 2026-06-06
AXM22 AirAsia 8 2026-06-23
AXM73 AirAsia 7 2026-05-27
AXM472 - 7 2026-06-17
AXM471 - 7 2026-06-17
AXM885 - 6 2026-06-24
AXM884 - 6 2026-06-24
AXM72 AirAsia 6 2026-05-26
AXM407 AirAsia 6 2026-05-29
AXM649 AirAsia 5 2026-05-23
AXM648 AirAsia 5 2026-05-23
AXM6433 AirAsia 5 2026-06-04
AXM6432 AirAsia 5 2026-06-04
AXM462 - 5 2026-06-24
AXM461 - 5 2026-06-24
AXM46 - 5 2026-07-11
AXM406 AirAsia 5 2026-05-29
AXM887 - 4 2026-06-17
AXM857 - 4 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 AXM189 - Jul 13, 08:25 UTCJul 13, 09:00 UTC35m
2026-07-13 AXM189 - Jul 13, 05:35 UTCJul 13, 05:45 UTC10m
2026-07-13 AXM188 - Jul 13, 00:55 UTCJul 13, 01:20 UTC25m
2026-07-12 AXM47 - Jul 12, 13:05 UTCJul 12, 20:40 UTC7h 35m
2026-07-12 AXM857 - Jul 12, 11:01 UTCJul 12, 11:15 UTC15m
2026-07-12 AXM857 - Jul 12, 08:55 UTCJul 12, 10:10 UTC1h 15m
2026-07-12 AXM856 - Jul 12, 05:35 UTCJul 12, 08:10 UTC2h 35m
2026-07-12 AXM544 - Jul 12, 00:50 UTCJul 12, 04:20 UTC3h 30m
2026-07-11 AXM46 - Jul 11, 13:05 UTCJul 11, 20:50 UTC7h 45m
2026-07-11 AXM6443 - Jul 11, 06:20 UTCJul 11, 06:40 UTC20m
2026-07-11 AXM6442 - Jul 11, 04:20 UTCJul 11, 04:35 UTC15m
2026-07-10 AXM818 - Jul 10, 23:50 UTCJul 11, 02:55 UTC3h 5m
2026-07-09 AXM718 - Jul 9, 12:55 UTCJul 9, 13:40 UTC45m
2026-07-09 AXM719 - Jul 9, 11:20 UTCJul 9, 12:00 UTC40m
2026-07-09 AXM385 - Jul 9, 08:35 UTCJul 9, 10:20 UTC1h 45m
2026-07-09 AXM384 - Jul 9, 06:00 UTCJul 9, 06:50 UTC50m
2026-07-09 AXM430 - Jul 9, 04:20 UTCJul 9, 04:55 UTC35m
2026-07-09 AXM431 - Jul 9, 02:50 UTCJul 9, 03:05 UTC15m
2026-07-09 AXM6225 - Jul 9, 01:10 UTCJul 9, 01:20 UTC10m
2026-07-08 AXM6224 KUL → TGG Jul 8, 23:25 UTCJul 8, 23:45 UTC20m
2026-07-08 AXM5195 - Jul 8, 11:20 UTCJul 8, 13:40 UTC2h 20m
2026-07-08 AXM5194 - Jul 8, 07:45 UTCJul 8, 10:05 UTC2h 20m
2026-07-07 AXM513 - Jul 7, 10:40 UTCJul 7, 11:00 UTC20m
2026-07-07 AXM513 - Jul 7, 08:15 UTCJul 7, 08:30 UTC15m
2026-07-07 AXM512 - Jul 7, 06:50 UTCJul 7, 07:00 UTC10m
2026-07-07 AXM512 - Jul 7, 04:15 UTCJul 7, 04:35 UTC20m
2026-07-07 AXM891 - Jul 7, 02:25 UTCJul 7, 02:45 UTC20m
2026-07-07 AXM891 - Jul 7, 01:00 UTCJul 7, 01:35 UTC35m
2026-07-06 AXM890 KUL → DMK Jul 6, 22:10 UTCJul 7, 00:00 UTC1h 50m
2026-07-02 AXM64 - Jul 2, 17:30 UTCJul 2, 20:50 UTC3h 20m
2026-07-02 AXM65 - Jul 2, 12:55 UTCJul 2, 16:30 UTC3h 35m
2026-07-02 AXM157 - Jul 2, 07:30 UTCJul 2, 07:50 UTC20m
2026-07-01 AXM156 - Jul 1, 23:20 UTCJul 2, 05:25 UTC6h 5m
2026-07-01 AXM585 - Jul 1, 15:15 UTCJul 1, 18:40 UTC3h 25m
2026-07-01 AXM584 - Jul 1, 10:35 UTCJul 1, 14:05 UTC3h 30m
2026-07-01 AXM347 - Jul 1, 01:50 UTCJul 1, 07:00 UTC5h 10m
2026-06-30 AXM104 - Jun 30, 21:45 UTCJun 30, 22:00 UTC15m
2026-06-30 AXM103 KUL → KMG Jun 30, 13:50 UTCJun 30, 20:40 UTC6h 50m
2026-06-30 AXM377 - Jun 30, 03:55 UTCJun 30, 10:30 UTC6h 35m
2026-06-29 AXM8 - Jun 29, 19:00 UTCJun 29, 22:44 UTC3h 45m
2026-06-29 AXM9 - Jun 29, 14:39 UTCJun 29, 18:05 UTC3h 25m
2026-06-29 AXM6323 - Jun 29, 12:09 UTCJun 29, 12:45 UTC35m
2026-06-29 AXM6322 - Jun 29, 10:34 UTCJun 29, 11:04 UTC30m
2026-06-29 AXM428 - Jun 29, 09:14 UTCJun 29, 09:44 UTC30m
2026-06-29 AXM429 - Jun 29, 07:55 UTCJun 29, 08:09 UTC15m
2026-06-28 AXM10 - Jun 28, 22:20 UTCJun 29, 06:09 UTC7h 50m
2026-06-28 AXM857 - Jun 28, 11:35 UTCJun 28, 11:59 UTC25m
2026-06-28 AXM857 - Jun 28, 09:25 UTCJun 28, 10:39 UTC1h 15m
2026-06-28 AXM856 - Jun 28, 06:00 UTCJun 28, 08:25 UTC2h 25m
2026-06-28 AXM390 - Jun 28, 04:35 UTCJun 28, 05:04 UTC30m

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 17h 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, AXM22, AXM73, AXM472.