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sensors Mode-S transponder

4BAA4D

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JRM · AIRBUS A-321

Hex
4BAA4D
Octal
22725115
Decimal
4,958,797
Country
TR
Tail
TC-JRM
Type
A321
No current signal · last broadcast 8h ago
Flights observed
253
Distinct callsigns
20
Country
TR
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 4BAA4D.

Country allocation

The ICAO 24-bit address 4BAA4D falls within the block assigned to Turkey (TR) by ICAO Annex 10, Volume III. Every aircraft registered in Turkey 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
THY8LY Turkish Airlines 4 2026-05-08
THY80N - 4 2026-07-09
THY6ZS Turkish Airlines 4 2026-07-09
THY3GL - 4 2026-07-09
THY1TH - 4 2026-07-09
THY9VT - 3 2026-07-11
THY9SD Turkish Airlines 3 2026-06-10
THY8UG Turkish Airlines 3 2026-06-26
THY7MT Turkish Airlines 3 2026-04-27
THY6RZ Turkish Airlines 3 2026-06-27
THY65X Turkish Airlines 3 2026-06-10
THY5UW Turkish Airlines 3 2026-05-10
THY5JN - 3 2026-06-25
THY4MJ - 3 2026-06-25
THY4HU Turkish Airlines 3 2026-05-10
THY4EK Turkish Airlines 3 2026-04-21
THY3UY Turkish Airlines 3 2026-07-03
THY3KY - 3 2026-06-26
THY2XH Turkish Airlines 3 2026-06-08
THY2QT - 3 2026-06-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 THY2XK - Jul 13, 15:40 UTCJul 13, 19:25 UTC3h 45m
2026-07-13 THY640 - Jul 13, 10:00 UTCJul 13, 12:15 UTC2h 15m
2026-07-13 THY639 - Jul 13, 04:55 UTCJul 13, 07:05 UTC2h 10m
2026-07-12 THY2EP - Jul 12, 18:20 UTCJul 12, 19:35 UTC1h 15m
2026-07-12 THY98U - Jul 12, 16:01 UTCJul 12, 17:01 UTC1h 0m
2026-07-12 THY1012 - Jul 12, 12:45 UTCJul 12, 13:50 UTC1h 5m
2026-07-12 THY1011 - Jul 12, 10:30 UTCJul 12, 11:25 UTC55m
2026-07-12 THY4YL - Jul 12, 08:05 UTCJul 12, 08:35 UTC30m
2026-07-12 THY3UZ - Jul 12, 05:15 UTCJul 12, 05:40 UTC25m
2026-07-11 THY6MG - Jul 11, 17:15 UTCJul 11, 19:40 UTC2h 25m
2026-07-11 THY3NV - Jul 11, 12:50 UTCJul 11, 15:25 UTC2h 35m
2026-07-11 THY6HL - Jul 11, 08:40 UTCJul 11, 10:50 UTC2h 10m
2026-07-11 THY9VT - Jul 11, 05:01 UTCJul 11, 07:30 UTC2h 30m
2026-07-10 THY5NX - Jul 10, 17:55 UTCJul 10, 19:55 UTC2h 0m
2026-07-10 THY3ED - Jul 10, 14:25 UTCJul 10, 16:40 UTC2h 15m
2026-07-10 THY9SB - Jul 10, 08:45 UTCJul 10, 11:45 UTC3h 0m
2026-07-09 THY3GL - Jul 9, 20:15 UTCJul 9, 20:35 UTC20m
2026-07-09 THY3GL - Jul 9, 19:00 UTCJul 9, 19:35 UTC35m
2026-07-09 THY6ZS IST → BUS Jul 9, 17:30 UTCJul 9, 17:50 UTC20m
2026-07-09 THY6ZS IST → BUS Jul 9, 16:10 UTCJul 9, 16:40 UTC30m
2026-07-09 THY9UT - Jul 9, 13:15 UTCJul 9, 14:15 UTC1h 0m
2026-07-09 THY4QS - Jul 9, 11:00 UTCJul 9, 11:45 UTC45m
2026-07-09 THY80N - Jul 9, 07:35 UTCJul 9, 08:30 UTC55m
2026-07-09 THY1TH - Jul 9, 05:15 UTCJul 9, 06:00 UTC45m
2026-07-08 THY3GL - Jul 8, 20:40 UTCJul 8, 20:55 UTC15m
2026-07-08 THY3GL - Jul 8, 19:10 UTCJul 8, 19:50 UTC40m
2026-07-08 THY6ZS IST → BUS Jul 8, 17:55 UTCJul 8, 18:00 UTC5m
2026-07-08 THY6ZS IST → BUS Jul 8, 16:35 UTCJul 8, 17:05 UTC30m
2026-07-08 THY4ZX - Jul 8, 11:25 UTCJul 8, 13:20 UTC1h 55m
2026-07-08 THY6DR - Jul 8, 07:30 UTCJul 8, 09:50 UTC2h 20m
2026-07-07 THY7AT DUS → IST Jul 7, 13:25 UTCJul 7, 15:25 UTC2h 0m
2026-07-07 THY40B - Jul 7, 09:55 UTCJul 7, 11:50 UTC1h 55m
2026-07-07 THY80N - Jul 7, 07:15 UTCJul 7, 08:15 UTC1h 0m
2026-07-07 THY1TH - Jul 7, 05:00 UTCJul 7, 05:45 UTC45m
2026-07-06 THY272 - Jul 6, 16:20 UTCJul 6, 19:35 UTC3h 15m
2026-07-06 THY4DP - Jul 6, 13:00 UTCJul 6, 14:15 UTC1h 15m
2026-07-06 THY8RC - Jul 6, 10:55 UTCJul 6, 11:45 UTC50m
2026-07-06 THY4AX - Jul 6, 05:35 UTCJul 6, 08:25 UTC2h 50m
2026-07-05 THY8WM - Jul 5, 17:05 UTCJul 5, 20:20 UTC3h 15m
2026-07-05 THY1012 - Jul 5, 14:10 UTCJul 5, 15:10 UTC1h 0m
2026-07-05 THY1011 - Jul 5, 11:50 UTCJul 5, 12:50 UTC1h 0m
2026-07-05 THY80N - Jul 5, 07:05 UTCJul 5, 07:55 UTC50m
2026-07-05 THY1TH - Jul 5, 04:55 UTCJul 5, 05:45 UTC50m
2026-07-04 THY664 - Jul 4, 16:50 UTCJul 4, 18:55 UTC2h 5m
2026-07-04 THY663 - Jul 4, 12:50 UTCJul 4, 15:05 UTC2h 15m
2026-07-03 THY1QH - Jul 3, 17:15 UTCJul 3, 19:35 UTC2h 20m
2026-07-03 THY3UY BCN → IST Jul 3, 13:15 UTCJul 3, 15:50 UTC2h 35m
2026-07-03 THY29B - Jul 3, 09:20 UTCJul 3, 10:20 UTC1h 0m
2026-07-03 THY5CJ - Jul 3, 06:55 UTCJul 3, 07:45 UTC50m
2026-07-02 THY9LK - Jul 2, 18:20 UTCJul 2, 20:30 UTC2h 10m

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 TC-JRM page for operator, model, and routing details .

Mode-S 4BAA4D frequently asked

What is Mode-S code 4BAA4D?
4BAA4D is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JRM.
Where is Mode-S 4BAA4D registered?
Mode-S code 4BAA4D is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAA4D broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAA4D, octal 22725115, decimal 4,958,797.
What flights does 4BAA4D operate?
Mode-S 4BAA4D has broadcast 20 distinct callsigns, including THY8LY, THY80N, THY6ZS, THY3GL, THY1TH.