Apparatus

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sensors Mode-S transponder

4BAA50

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JRP · AIRBUS A-321

Hex
4BAA50
Octal
22725120
Decimal
4,958,800
Country
TR
Tail
TC-JRP
Type
A321
Broadcasting now · callsign THY3DN · 35,000 ft
Flights observed
242
Distinct callsigns
20
Country
TR
Last broadcast
6m ago

Current position

4BAA50 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4BAA50 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
THY217 - 10 2026-07-13
THY8CD - 9 2026-07-05
THY1JR - 9 2026-07-12
THY7MT Turkish Airlines 8 2026-04-24
THY4UA - 7 2026-07-11
THY5YA - 6 2026-06-28
THY1VR - 6 2026-06-28
THY3DN - 5 2026-07-14
THY1HC - 5 2026-06-29
THY8LY - 4 2026-06-24
THY5VJ - 4 2026-07-06
THY9JE Turkish Airlines 3 2026-06-26
THY67W - 3 2026-04-17
THY5ST - 3 2026-04-17
THY5BF - 3 2026-07-01
THY218 Turkish Airlines 3 2026-06-12
THY9UH Turkish Airlines 2 2026-06-15
THY9JV Turkish Airlines 2 2026-06-08
THY8KT - 2 2026-07-10
THY7TW Turkish Airlines 2 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 THY3DN - Jul 14, 17:20 UTCJul 14, 20:00 UTC2h 40m
2026-07-14 THY3192 - Jul 14, 05:30 UTCJul 14, 08:45 UTC3h 15m
2026-07-13 THY217 - Jul 13, 17:20 UTCJul 13, 20:35 UTC3h 15m
2026-07-12 THY1JR - Jul 12, 04:55 UTCJul 12, 08:05 UTC3h 10m
2026-07-11 THY3018 - Jul 11, 17:55 UTCJul 12, 03:20 UTC9h 25m
2026-07-11 THY4UA - Jul 11, 14:50 UTCJul 11, 15:45 UTC55m
2026-07-11 THY65X - Jul 11, 07:50 UTCJul 11, 09:30 UTC1h 40m
2026-07-11 THY9SD - Jul 11, 04:50 UTCJul 11, 06:40 UTC1h 50m
2026-07-10 THY3MN - Jul 10, 22:55 UTCJul 11, 02:35 UTC3h 40m
2026-07-10 THY50V - Jul 10, 17:10 UTCJul 10, 19:50 UTC2h 40m
2026-07-10 THY8XT - Jul 10, 12:50 UTCJul 10, 16:05 UTC3h 15m
2026-07-10 THY8KT - Jul 10, 05:50 UTCJul 10, 10:20 UTC4h 30m
2026-07-09 THY6VH - Jul 9, 12:20 UTCJul 9, 13:20 UTC1h 0m
2026-07-08 THY3006 - Jul 8, 19:15 UTCJul 9, 05:05 UTC9h 50m
2026-07-08 THY3039 - Jul 8, 16:30 UTCJul 8, 16:45 UTC15m
2026-07-08 THY3034 - Jul 8, 06:25 UTCJul 8, 15:45 UTC9h 20m
2026-07-06 THY217 - Jul 6, 17:30 UTCJul 7, 04:55 UTC11h 25m
2026-07-06 THY5VJ - Jul 6, 14:10 UTCJul 6, 14:30 UTC20m
2026-07-06 THY1JR - Jul 6, 04:30 UTCJul 6, 14:05 UTC9h 35m
2026-07-05 THY8CD - Jul 5, 16:45 UTCJul 6, 02:35 UTC9h 50m
2026-07-04 THY3DN - Jul 4, 17:55 UTCJul 5, 03:35 UTC9h 40m
2026-07-04 THY3192 - Jul 4, 05:45 UTCJul 4, 16:00 UTC10h 15m
2026-07-03 THY217 - Jul 3, 17:05 UTCJul 4, 04:15 UTC11h 10m
2026-07-02 THY8CD - Jul 2, 16:45 UTCJul 3, 02:25 UTC9h 40m
2026-07-01 THY3006 - Jul 1, 20:15 UTCJul 2, 06:00 UTC9h 45m
2026-07-01 THY5BF - Jul 1, 13:10 UTCJul 1, 14:20 UTC1h 10m
2026-07-01 THY2NC - Jul 1, 05:50 UTCJul 1, 10:20 UTC4h 30m
2026-06-30 THY5AQ - Jun 30, 17:50 UTCJun 30, 20:30 UTC2h 40m
2026-06-30 THY3TW - Jun 30, 13:00 UTCJun 30, 15:40 UTC2h 40m
2026-06-30 THY7DA - Jun 30, 05:45 UTCJun 30, 10:05 UTC4h 20m
2026-06-30 THY2JG - Jun 30, 01:35 UTCJun 30, 03:20 UTC1h 45m
2026-06-29 THY1HC - Jun 29, 21:24 UTCJun 29, 21:44 UTC20m
2026-06-29 THY1HC - Jun 29, 18:34 UTCJun 29, 20:19 UTC1h 45m
2026-06-29 THY5LS - Jun 29, 10:15 UTCJun 29, 10:29 UTC15m
2026-06-28 THY3DW - Jun 28, 23:54 UTCJun 29, 01:55 UTC2h 0m
2026-06-28 THY1VR - Jun 28, 12:09 UTCJun 28, 20:19 UTC8h 10m
2026-06-28 THY5YA - Jun 28, 04:35 UTCJun 28, 05:29 UTC55m
2026-06-27 THY8CD - Jun 27, 16:49 UTCJun 28, 03:00 UTC10h 10m
2026-06-27 THY27M ECN → AYT Jun 27, 07:34 UTCJun 27, 08:20 UTC45m
2026-06-27 THY34Q XXX → ECN Jun 27, 05:39 UTCJun 27, 06:15 UTC35m
2026-06-26 THY8CD AYT → AYT Jun 26, 16:39 UTCJun 27, 02:45 UTC10h 5m
2026-06-26 THY9JE IST → KFS Jun 26, 04:50 UTCJun 26, 08:10 UTC3h 20m
2026-06-25 THY8CD AYT → AYT Jun 25, 16:29 UTCJun 26, 02:44 UTC10h 15m
2026-06-25 THY9JE IST → KFS Jun 25, 04:45 UTCJun 25, 13:59 UTC9h 15m
2026-06-24 THY8LY - Jun 24, 17:20 UTCJun 25, 02:25 UTC9h 5m
2026-06-24 THY4UA - Jun 24, 14:50 UTCJun 24, 15:49 UTC1h 0m
2026-06-23 THY3UQ IST → AMS Jun 23, 15:24 UTCJun 23, 15:55 UTC30m
2026-06-23 THY1NE - Jun 23, 13:15 UTCJun 23, 13:39 UTC25m
2026-06-22 THY87N - Jun 22, 15:45 UTCJun 22, 19:19 UTC3h 35m
2026-06-22 THY5UW - Jun 22, 12:00 UTCJun 22, 13:54 UTC1h 55m

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

Mode-S 4BAA50 frequently asked

What is Mode-S code 4BAA50?
4BAA50 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JRP.
Where is Mode-S 4BAA50 registered?
Mode-S code 4BAA50 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAA50 broadcasting right now?
Yes. Mode-S 4BAA50 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAA50, octal 22725120, decimal 4,958,800.
What flights does 4BAA50 operate?
Mode-S 4BAA50 has broadcast 20 distinct callsigns, including THY217, THY8CD, THY1JR, THY7MT, THY4UA.