sensors Mode-S transponder

7503D6

ICAO 24-bit transponder address · allocated to Malaysia

Currently assigned to 9M-LCZ · BOEING 737-800

Hex
7503D6
Octal
35201726
Decimal
7,668,694
Country
MY
Tail
9M-LCZ
Type
B738
No current signal · last broadcast 16h ago
Flights observed
10
Distinct callsigns
7
Country
MY
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 7503D6.

Country allocation

The ICAO 24-bit address 7503D6 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 7 distinct

Callsign Airline Flights Last seen
MXD529 - 2 2026-04-13
MXD528 - 2 2026-04-13
MXD1007 Malindo Air 2 2026-04-13
MXD352 - 1 2026-04-14
MXD2204 - 1 2026-04-14
MXD2106 - 1 2026-04-13
MXD2105 - 1 2026-04-13

Recent flights last 10

DateFlightRouteTakeoffLandingDuration
2026-04-14 MXD352 - Apr 14, 09:55 UTCApr 14, 10:30 UTC35m
2026-04-14 MXD2204 - Apr 14, 07:15 UTCApr 14, 07:45 UTC30m
2026-04-13 MXD2105 - Apr 13, 22:15 UTCApr 13, 22:35 UTC20m
2026-04-13 MXD2106 - Apr 13, 15:00 UTCApr 13, 15:10 UTC10m
2026-04-13 MXD529 - Apr 13, 12:35 UTCApr 13, 13:00 UTC25m
2026-04-13 MXD529 - Apr 13, 11:05 UTCApr 13, 11:25 UTC20m
2026-04-13 MXD528 - Apr 13, 09:20 UTCApr 13, 09:50 UTC30m
2026-04-13 MXD528 - Apr 13, 08:00 UTCApr 13, 08:15 UTC15m
2026-04-13 MXD1007 BKI → KUL Apr 13, 04:20 UTCApr 13, 05:00 UTC40m
2026-04-13 MXD1007 BKI → KUL Apr 13, 02:45 UTCApr 13, 03:25 UTC40m

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

Mode-S 7503D6 frequently asked

What is Mode-S code 7503D6?
7503D6 is an ICAO 24-bit transponder address. Allocated to Malaysia. Assigned to 9M-LCZ.
Where is Mode-S 7503D6 registered?
Mode-S code 7503D6 is allocated to Malaysia (MY). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7503D6 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7503D6, octal 35201726, decimal 7,668,694.
What flights does 7503D6 operate?
Mode-S 7503D6 has broadcast 7 distinct callsigns, including MXD529, MXD528, MXD1007, MXD352, MXD2204.