Apparatus

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sensors Mode-S transponder

4BAB2C

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JYL · BOEING 737-900

Hex
4BAB2C
Octal
22725454
Decimal
4,959,020
Country
TR
Tail
TC-JYL
Type
B739
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
388
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S 4BAB2C.

Country allocation

The ICAO 24-bit address 4BAB2C 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
THY7NB Turkish Airlines 13 2026-07-18
THY8VC Turkish Airlines 9 2026-07-26
THY3250 Turkish Airlines 9 2026-07-25
THY5EC Turkish Airlines 8 2026-05-08
THY4FU - 8 2026-07-24
THY3252 - 8 2026-07-26
THY1MU - 8 2026-07-26
THY6AE - 7 2026-07-15
THY3260 - 6 2026-07-15
THY3251 - 6 2026-07-24
THY9WY Turkish Airlines 5 2026-05-23
THY9LR - 5 2026-07-08
THY9LK Turkish Airlines 5 2026-05-05
THY6LH - 5 2026-07-23
THY3JW Turkish Airlines 5 2026-07-26
THY3253 - 5 2026-07-11
THY1LX - 5 2026-07-23
THY9DX Turkish Airlines 4 2026-07-26
THY91B Turkish Airlines 4 2026-06-12
THY6TG - 4 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY3270 IST → AER Jul 26, 20:50 UTCJul 26, 22:15 UTC1h 25m
2026-07-26 THY8VC IST → MAD Jul 26, 18:25 UTCJul 26, 19:15 UTC50m
2026-07-26 THY3JW AYT → IST Jul 26, 14:10 UTCJul 26, 15:15 UTC1h 5m
2026-07-26 THY9DX IST → EAP Jul 26, 11:45 UTCJul 26, 12:55 UTC1h 10m
2026-07-26 THY1MU - Jul 26, 07:40 UTCJul 26, 08:40 UTC1h 0m
2026-07-26 THY3252 - Jul 26, 00:55 UTCJul 26, 05:45 UTC4h 50m
2026-07-25 THY3250 SAW → KSY Jul 25, 19:00 UTCJul 25, 23:25 UTC4h 25m
2026-07-25 THY1JR IST → STR Jul 25, 05:10 UTCJul 25, 15:40 UTC10h 30m
2026-07-24 THY3251 - Jul 24, 23:00 UTCJul 24, 23:25 UTC25m
2026-07-24 THY3250 SAW → KSY Jul 24, 18:50 UTCJul 24, 20:10 UTC1h 20m
2026-07-24 THY4FU - Jul 24, 15:45 UTCJul 24, 16:45 UTC1h 0m
2026-07-24 THY4AQ - Jul 24, 12:55 UTCJul 24, 13:15 UTC20m
2026-07-24 THY4AQ - Jul 24, 11:35 UTCJul 24, 12:10 UTC35m
2026-07-24 THY8RJ - Jul 24, 09:05 UTCJul 24, 09:30 UTC25m
2026-07-24 THY7MV AYT → IST Jul 24, 05:50 UTCJul 24, 06:45 UTC55m
2026-07-24 THY2TF IST → AYT Jul 24, 03:35 UTCJul 24, 04:25 UTC50m
2026-07-23 THY1LX - Jul 23, 18:55 UTCJul 23, 20:55 UTC2h 0m
2026-07-23 THY6LH - Jul 23, 15:50 UTCJul 23, 17:30 UTC1h 40m
2026-07-23 THY1CB BJV → IST Jul 23, 12:20 UTCJul 23, 13:05 UTC45m
2026-07-23 THY2522 IST → BJV Jul 23, 10:25 UTCJul 23, 11:15 UTC50m
2026-07-23 THY3NU IST → GNY Jul 23, 05:25 UTCJul 23, 07:40 UTC2h 15m
2026-07-22 THY1SQ IST → BRI Jul 22, 17:05 UTCJul 22, 19:45 UTC2h 40m
2026-07-22 THY1XT BJV → SAW Jul 22, 13:00 UTCJul 22, 13:50 UTC50m
2026-07-22 THY1NQ - Jul 22, 11:10 UTCJul 22, 11:50 UTC40m
2026-07-22 THY4AV IST → TZX Jul 22, 04:25 UTCJul 22, 04:35 UTC10m
2026-07-22 THY4AV IST → TZX Jul 22, 03:20 UTCJul 22, 03:50 UTC30m
2026-07-21 THY1YR VCE → IST Jul 21, 18:50 UTCJul 21, 20:40 UTC1h 50m
2026-07-21 THY8QM - Jul 21, 14:50 UTCJul 21, 17:10 UTC2h 20m
2026-07-21 THY7VK BJV → IST Jul 21, 12:10 UTCJul 21, 13:00 UTC50m
2026-07-21 THY6GU IST → BJV Jul 21, 10:05 UTCJul 21, 10:55 UTC50m
2026-07-21 THY80N SKP → IST Jul 21, 07:00 UTCJul 21, 08:00 UTC1h 0m
2026-07-21 THY1TH IST → MSR Jul 21, 04:45 UTCJul 21, 05:35 UTC50m
2026-07-20 THY5RC - Jul 20, 23:30 UTCJul 21, 00:25 UTC54m
2026-07-20 THY3357 VAS → SAW Jul 20, 00:20 UTCJul 20, 03:35 UTC3h 15m
2026-07-19 THY3356 SAW → VAS Jul 19, 19:00 UTCJul 19, 22:30 UTC3h 30m
2026-07-18 THY3251 - Jul 18, 21:50 UTCJul 18, 23:15 UTC1h 25m
2026-07-18 THY3250 - Jul 18, 18:45 UTCJul 18, 20:10 UTC1h 25m
2026-07-18 THY4FU - Jul 18, 15:35 UTCJul 18, 16:25 UTC50m
2026-07-18 THY7NB IST → IST Jul 18, 09:45 UTCJul 18, 10:45 UTC1h 0m
2026-07-18 THY3252 - Jul 18, 00:55 UTCJul 18, 06:00 UTC5h 6m
2026-07-17 THY3251 - Jul 17, 23:00 UTCJul 17, 23:20 UTC20m
2026-07-17 THY3250 - Jul 17, 18:44 UTCJul 17, 20:04 UTC1h 20m
2026-07-17 THY5BF - Jul 17, 12:35 UTCJul 17, 13:25 UTC50m
2026-07-17 THY1272 - Jul 17, 07:55 UTCJul 17, 09:40 UTC1h 45m
2026-07-17 THY1271 - Jul 17, 04:54 UTCJul 17, 06:35 UTC1h 40m
2026-07-16 THY1YR - Jul 16, 19:35 UTCJul 16, 21:30 UTC1h 55m
2026-07-16 THY8QM - Jul 16, 15:35 UTCJul 16, 17:49 UTC2h 15m
2026-07-16 THY7NB - Jul 16, 09:50 UTCJul 16, 10:45 UTC55m
2026-07-15 THY3261 - Jul 15, 23:30 UTCJul 15, 23:45 UTC15m
2026-07-15 THY3260 - Jul 15, 19:15 UTCJul 15, 20:40 UTC1h 25m

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

Mode-S 4BAB2C frequently asked

What is Mode-S code 4BAB2C?
4BAB2C is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JYL.
Where is Mode-S 4BAB2C registered?
Mode-S code 4BAB2C is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAB2C broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAB2C, octal 22725454, decimal 4,959,020.
What flights does 4BAB2C operate?
Mode-S 4BAB2C has broadcast 20 distinct callsigns, including THY7NB, THY8VC, THY3250, THY5EC, THY4FU.