Apparatus

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sensors Mode-S transponder

4BAA69

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JSI · AIRBUS A-321

Hex
4BAA69
Octal
22725151
Decimal
4,958,825
Country
TR
Tail
TC-JSI
Type
A321
No current signal · last broadcast Jul 26, 20:00 UTC
Flights observed
356
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 20:00 UTC

Last known position

Most recent position reported by Mode-S 4BAA69.

Country allocation

The ICAO 24-bit address 4BAA69 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
THY2XH Turkish Airlines 6 2026-07-21
THY5FL - 5 2026-07-17
THY1KY Turkish Airlines 5 2026-07-21
THY9XR Turkish Airlines 4 2026-07-24
THY9BX - 4 2026-07-18
THY98U Turkish Airlines 4 2026-07-26
THY6GR - 4 2026-07-20
THY5EA Turkish Airlines 4 2026-07-26
THY3JK - 4 2026-07-18
THY2TY - 4 2026-06-24
THY2EP Turkish Airlines 4 2026-07-26
THY2EG Turkish Airlines 4 2026-07-26
THY9VR - 3 2026-07-14
THY8YU - 3 2026-06-23
THY8WY - 3 2026-07-16
THY8KV - 3 2026-07-14
THY5EJ - 3 2026-07-19
THY4VY - 3 2026-06-24
THY40H Turkish Airlines 3 2026-07-20
THY3LU Turkish Airlines 3 2026-04-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY2EP CLJ → IST Jul 26, 18:50 UTCJul 26, 20:00 UTC1h 10m
2026-07-26 THY98U MAD → IST Jul 26, 16:25 UTCJul 26, 17:30 UTC1h 5m
2026-07-26 THY6CV LGW → IST Jul 26, 13:00 UTCJul 26, 14:15 UTC1h 15m
2026-07-26 THY5YN IST → BGG Jul 26, 10:15 UTCJul 26, 11:35 UTC1h 20m
2026-07-26 THY5EA BEG → IST Jul 26, 07:15 UTCJul 26, 08:30 UTC1h 15m
2026-07-26 THY2EG IST → LJU Jul 26, 04:50 UTCJul 26, 06:05 UTC1h 15m
2026-07-25 THY3EZ AMS → IST Jul 25, 21:35 UTCJul 26, 00:20 UTC2h 45m
2026-07-25 THY7JR IST → AMS Jul 25, 16:50 UTCJul 25, 19:50 UTC3h 0m
2026-07-25 THY1CB BJV → IST Jul 25, 12:40 UTCJul 25, 13:40 UTC1h 0m
2026-07-25 THY2522 IST → BJV Jul 25, 10:35 UTCJul 25, 11:30 UTC55m
2026-07-25 THY4AX CDG → IST Jul 25, 05:40 UTCJul 25, 08:45 UTC3h 5m
2026-07-24 THY8WM IST → ESB Jul 24, 17:15 UTCJul 24, 20:25 UTC3h 10m
2026-07-24 THY2DH - Jul 24, 13:35 UTCJul 24, 15:25 UTC1h 50m
2026-07-24 THY9XR IST → KSY Jul 24, 10:35 UTCJul 24, 11:50 UTC1h 15m
2026-07-24 THY2MT DLM → IST Jul 24, 07:40 UTCJul 24, 08:30 UTC50m
2026-07-24 THY7PW BER → IST Jul 24, 05:35 UTCJul 24, 06:25 UTC50m
2026-07-23 THY6949 - Jul 23, 05:05 UTCJul 23, 05:50 UTC45m
2026-07-22 THY1MA MUC → IST Jul 22, 11:10 UTCJul 22, 12:00 UTC50m
2026-07-21 THY1949 IST → BRU Jul 21, 17:00 UTCJul 21, 20:10 UTC3h 10m
2026-07-21 THY3JW AYT → IST Jul 21, 13:50 UTCJul 21, 14:55 UTC1h 5m
2026-07-21 THY9DX IST → EAP Jul 21, 11:30 UTCJul 21, 12:25 UTC55m
2026-07-21 THY2XH TBS → IST Jul 21, 08:50 UTCJul 21, 09:20 UTC30m
2026-07-21 THY2XH TBS → IST Jul 21, 07:10 UTCJul 21, 08:15 UTC1h 5m
2026-07-21 THY1KY IST → TBS Jul 21, 05:40 UTCJul 21, 06:00 UTC20m
2026-07-21 THY1KY IST → TBS Jul 21, 04:10 UTCJul 21, 04:40 UTC30m
2026-07-21 THY6930 JFK → IST Jul 21, 00:30 UTCJul 21, 01:20 UTC50m
2026-07-20 THY6929 IST → KRK Jul 20, 21:55 UTCJul 20, 22:55 UTC1h 0m
2026-07-20 THY6GR - Jul 20, 16:40 UTCJul 20, 18:20 UTC1h 40m
2026-07-20 THY5LF - Jul 20, 13:35 UTCJul 20, 14:40 UTC1h 5m
2026-07-20 THY6AV - Jul 20, 10:55 UTCJul 20, 11:20 UTC25m
2026-07-20 THY40H FCO → IST Jul 20, 05:25 UTCJul 20, 07:15 UTC1h 50m
2026-07-19 THY5EJ - Jul 19, 18:55 UTCJul 19, 21:00 UTC2h 5m
2026-07-19 THY68G - Jul 19, 16:05 UTCJul 19, 17:00 UTC55m
2026-07-19 THY2EV - Jul 19, 14:05 UTCJul 19, 14:50 UTC45m
2026-07-19 THY46P IST → BAL Jul 19, 09:25 UTCJul 19, 11:55 UTC2h 30m
2026-07-19 THY6EU HAJ → IST Jul 19, 05:20 UTCJul 19, 07:45 UTC2h 25m
2026-07-18 THY3JK - Jul 18, 19:05 UTCJul 18, 20:55 UTC1h 50m
2026-07-18 THY9BX - Jul 18, 16:10 UTCJul 18, 17:55 UTC1h 45m
2026-07-18 THY1CB - Jul 18, 12:10 UTCJul 18, 13:05 UTC55m
2026-07-18 THY2522 - Jul 18, 10:05 UTCJul 18, 10:55 UTC50m
2026-07-18 THY7VL - Jul 18, 07:00 UTCJul 18, 08:15 UTC1h 15m
2026-07-18 THY6LJ ECN → IST Jul 18, 04:05 UTCJul 18, 05:20 UTC1h 15m
2026-07-17 THY1QH - Jul 17, 17:25 UTCJul 17, 19:45 UTC2h 20m
2026-07-17 THY3UY - Jul 17, 13:40 UTCJul 17, 16:10 UTC2h 30m
2026-07-17 THY5FL - Jul 17, 10:35 UTCJul 17, 11:00 UTC25m
2026-07-17 THY5FL - Jul 17, 09:30 UTCJul 17, 10:00 UTC30m
2026-07-17 THY3304 - Jul 17, 00:14 UTCJul 17, 01:55 UTC1h 40m
2026-07-16 THY8WY - Jul 16, 21:50 UTCJul 16, 22:10 UTC20m
2026-07-16 THY8WY - Jul 16, 20:49 UTCJul 16, 21:19 UTC30m
2026-07-16 THY2XK - Jul 16, 15:30 UTCJul 16, 19:20 UTC3h 50m

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

Mode-S 4BAA69 frequently asked

What is Mode-S code 4BAA69?
4BAA69 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JSI.
Where is Mode-S 4BAA69 registered?
Mode-S code 4BAA69 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAA69 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAA69, octal 22725151, decimal 4,958,825.
What flights does 4BAA69 operate?
Mode-S 4BAA69 has broadcast 20 distinct callsigns, including THY2XH, THY5FL, THY1KY, THY9XR, THY9BX.