sensors Mode-S transponder

4BAA6A

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JSJ · AIRBUS A-321

Hex
4BAA6A
Octal
22725152
Decimal
4,958,826
Country
TR
Tail
TC-JSJ
Type
A321
No current signal · last broadcast Jul 26, 21:00 UTC
Flights observed
218
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 21:00 UTC

Last known position

Most recent position reported by Mode-S 4BAA6A.

Country allocation

The ICAO 24-bit address 4BAA6A 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
THY3DN - 16 2026-07-17
THY8LY - 11 2026-07-12
THY217 Turkish Airlines 11 2026-07-26
THY8CD - 10 2026-07-13
THY4UA Turkish Airlines 7 2026-07-26
THY1JR - 7 2026-07-13
THY3ET - 6 2026-07-13
THY5YA - 5 2026-06-17
THY1VR Turkish Airlines 5 2026-06-07
THY9JE - 4 2026-07-17
THY1SL - 3 2026-06-24
THY1HC - 3 2026-06-27
THY1GH Turkish Airlines 3 2026-07-24
THY8TW Turkish Airlines 2 2026-06-20
THY7NK Turkish Airlines 2 2026-05-19
THY7CG Turkish Airlines 2 2026-06-07
THY6KQ - 2 2026-07-10
THY662 Turkish Airlines 2 2026-04-17
THY661 Turkish Airlines 2 2026-04-17
THY5SY Turkish Airlines 2 2026-05-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY217 SAW → RUH Jul 26, 17:45 UTCJul 26, 21:00 UTC3h 15m
2026-07-26 THY4UA IST → DUB Jul 26, 15:10 UTCJul 26, 16:05 UTC55m
2026-07-25 THY2CP MLA → IST Jul 25, 08:50 UTCJul 25, 10:55 UTC2h 5m
2026-07-25 THY3QX IST → MLA Jul 25, 05:25 UTCJul 25, 07:20 UTC1h 55m
2026-07-24 THY823 AMM → IST Jul 24, 22:40 UTCJul 25, 00:00 UTC1h 20m
2026-07-24 THY822 IST → AMM Jul 24, 18:45 UTCJul 24, 20:05 UTC1h 20m
2026-07-24 THY1GH IST → VKO Jul 24, 08:25 UTCJul 24, 16:35 UTC8h 10m
2026-07-22 THY1BX IST → VKO Jul 22, 04:35 UTCJul 22, 05:25 UTC50m
2026-07-21 THY4HA ESB → IST Jul 21, 17:55 UTCJul 22, 01:55 UTC8h 0m
2026-07-21 THY8KT OSL → IST Jul 21, 05:35 UTCJul 21, 09:50 UTC4h 15m
2026-07-20 THY5MG MSR → IST Jul 20, 14:45 UTCJul 20, 15:45 UTC1h 0m
2026-07-19 THY3172 - Jul 19, 19:40 UTCJul 20, 05:50 UTC10h 10m
2026-07-19 THY3008 GRX → LBT Jul 19, 06:55 UTCJul 19, 16:40 UTC9h 45m
2026-07-18 THY3006 AYT → AYT Jul 18, 19:50 UTCJul 19, 05:15 UTC9h 25m
2026-07-18 THY3192 AYT → VKO Jul 18, 05:30 UTCJul 18, 15:05 UTC9h 35m
2026-07-17 THY3DN - Jul 17, 16:49 UTCJul 18, 03:00 UTC10h 11m
2026-07-17 THY9JE - Jul 17, 04:59 UTCJul 17, 14:15 UTC9h 15m
2026-07-16 THY3DN AYT → AYT Jul 16, 17:10 UTCJul 17, 02:54 UTC9h 45m
2026-07-15 THY3008 - Jul 15, 07:45 UTCJul 15, 17:50 UTC10h 5m
2026-07-14 THY3006 - Jul 14, 19:20 UTCJul 15, 04:55 UTC9h 34m
2026-07-14 THY9JE - Jul 14, 05:25 UTCJul 14, 15:25 UTC10h 0m
2026-07-14 THY5KC - Jul 14, 00:15 UTCJul 14, 02:30 UTC2h 15m
2026-07-13 THY8CD - Jul 13, 16:40 UTCJul 13, 19:50 UTC3h 10m
2026-07-13 THY1JR AYT → AYT Jul 13, 04:50 UTCJul 13, 14:30 UTC9h 40m
2026-07-13 THY3ET - Jul 13, 00:30 UTCJul 13, 02:40 UTC2h 10m
2026-07-12 THY8LY - Jul 12, 17:30 UTCJul 12, 21:15 UTC3h 45m
2026-07-12 THY4UA - Jul 12, 14:55 UTCJul 12, 15:55 UTC1h 0m
2026-07-12 THY9GQ - Jul 12, 12:15 UTCJul 12, 13:01 UTC45m
2026-07-12 THY2PL - Jul 12, 10:15 UTCJul 12, 10:55 UTC40m
2026-07-12 THY1950 - Jul 12, 05:25 UTCJul 12, 08:10 UTC2h 45m
2026-07-11 THY1949 - Jul 11, 17:10 UTCJul 11, 20:15 UTC3h 5m
2026-07-11 THY6JP - Jul 11, 14:10 UTCJul 11, 15:20 UTC1h 10m
2026-07-11 THY7ZV - Jul 11, 11:45 UTCJul 11, 13:00 UTC1h 15m
2026-07-11 THY90G - Jul 11, 07:40 UTCJul 11, 09:25 UTC1h 45m
2026-07-11 THY2ZA - Jul 11, 04:20 UTCJul 11, 06:10 UTC1h 50m
2026-07-10 THY7QN - Jul 10, 22:30 UTCJul 11, 01:40 UTC3h 10m
2026-07-10 THY9GV - Jul 10, 17:00 UTCJul 10, 20:55 UTC3h 55m
2026-07-10 THY6KQ - Jul 10, 15:05 UTCJul 10, 15:20 UTC15m
2026-07-10 THY6KQ - Jul 10, 13:45 UTCJul 10, 14:20 UTC35m
2026-07-10 THY4TN - Jul 10, 11:20 UTCJul 10, 12:40 UTC1h 20m
2026-07-09 THY5MG - Jul 9, 16:00 UTCJul 9, 17:00 UTC1h 0m
2026-07-08 THY1JR - Jul 8, 05:30 UTCJul 8, 14:50 UTC9h 20m
2026-07-07 THY217 - Jul 7, 17:25 UTCJul 8, 04:00 UTC10h 35m
2026-07-07 THY9JE - Jul 7, 05:00 UTCJul 7, 15:35 UTC10h 35m
2026-07-06 THY3DN - Jul 6, 17:20 UTCJul 6, 20:30 UTC3h 10m
2026-07-05 THY3DN AYT → AYT Jul 5, 16:55 UTCJul 6, 03:00 UTC10h 5m
2026-07-05 THY9JE - Jul 5, 04:45 UTCJul 5, 14:20 UTC9h 35m
2026-07-04 THY217 AYT → AYT Jul 4, 17:10 UTCJul 5, 02:55 UTC9h 45m
2026-07-03 THY3028 - Jul 3, 19:10 UTCJul 4, 05:55 UTC10h 45m
2026-07-03 THY3114 - Jul 3, 03:35 UTCJul 3, 13:35 UTC10h 0m

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

Mode-S 4BAA6A frequently asked

What is Mode-S code 4BAA6A?
4BAA6A is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JSJ.
Where is Mode-S 4BAA6A registered?
Mode-S code 4BAA6A is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAA6A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAA6A, octal 22725152, decimal 4,958,826.
What flights does 4BAA6A operate?
Mode-S 4BAA6A has broadcast 20 distinct callsigns, including THY3DN, THY8LY, THY217, THY8CD, THY4UA.