Apparatus

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sensors Mode-S transponder

4BB190

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-LLP · BOEING 787-9 Dreamliner

Hex
4BB190
Octal
22730620
Decimal
4,960,656
Country
TR
Tail
TC-LLP
Type
B789
No current signal · last broadcast 1h ago
Flights observed
216
Distinct callsigns
20
Country
TR
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4BB190.

Country allocation

The ICAO 24-bit address 4BB190 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
THY281 - 13 2026-07-09
THY4JD - 11 2026-06-22
THY41J Turkish Airlines 9 2026-06-23
THY5KM Turkish Airlines 8 2026-05-23
THY84U - 7 2026-07-12
THY67C - 7 2026-07-12
THY8MT - 6 2026-07-13
THY87 - 6 2026-07-11
THY184 Turkish Airlines 6 2026-05-22
THY12E - 6 2026-07-13
THY9LC - 5 2026-06-24
THY91J - 5 2026-07-04
THY86 - 5 2026-07-11
THY8 - 5 2026-04-13
THY7KG Turkish Airlines 5 2026-07-03
THY69W Turkish Airlines 5 2026-06-24
THY2AY Turkish Airlines 5 2026-05-24
THY224 Turkish Airlines 5 2026-04-14
THY197 - 5 2026-07-08
THY51 Turkish Airlines 4 2026-06-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 THY12E - Jul 13, 21:15 UTCJul 14, 08:00 UTC10h 45m
2026-07-13 THY8MT - Jul 13, 05:35 UTCJul 13, 18:50 UTC13h 15m
2026-07-12 THY84U - Jul 12, 16:50 UTCJul 13, 02:45 UTC9h 55m
2026-07-12 THY67C - Jul 12, 03:50 UTCJul 12, 14:20 UTC10h 30m
2026-07-11 THY87 - Jul 11, 13:30 UTCJul 12, 00:10 UTC10h 40m
2026-07-11 THY86 - Jul 11, 00:55 UTCJul 11, 09:55 UTC9h 0m
2026-07-10 THY86 - Jul 10, 23:45 UTCJul 11, 00:10 UTC25m
2026-07-10 THY4ML - Jul 10, 11:20 UTCJul 10, 20:00 UTC8h 40m
2026-07-09 THY4KG - Jul 9, 22:25 UTCJul 10, 08:20 UTC9h 55m
2026-07-09 THY281 - Jul 9, 14:05 UTCJul 9, 14:30 UTC25m
2026-07-09 THY281 - Jul 9, 04:55 UTCJul 9, 13:25 UTC8h 30m
2026-07-08 THY281 - Jul 8, 14:15 UTCJul 9, 13:25 UTC23h 10m
2026-07-08 THY280 - Jul 8, 12:55 UTCJul 9, 09:00 UTC20h 5m
2026-07-08 THY197 - Jul 8, 08:55 UTCJul 8, 09:10 UTC15m
2026-07-07 THY197 - Jul 7, 23:35 UTCJul 8, 08:10 UTC8h 35m
2026-07-07 THY196 - Jul 7, 20:20 UTCJul 7, 20:35 UTC15m
2026-07-07 THY196 - Jul 7, 13:00 UTCJul 7, 14:45 UTC1h 45m
2026-07-07 THY197 - Jul 7, 08:45 UTCJul 7, 09:00 UTC15m
2026-07-07 THY197 - Jul 7, 06:35 UTCJul 7, 08:00 UTC1h 25m
2026-07-06 THY197 - Jul 6, 23:30 UTCJul 6, 23:45 UTC15m
2026-07-06 THY196 - Jul 6, 20:45 UTCJul 6, 21:05 UTC20m
2026-07-06 THY196 - Jul 6, 13:20 UTCJul 6, 13:45 UTC25m
2026-07-05 THY351 - Jul 5, 17:30 UTCJul 6, 05:45 UTC12h 15m
2026-07-05 THY125 - Jul 5, 13:30 UTCJul 5, 14:00 UTC30m
2026-07-05 THY125 - Jul 5, 02:15 UTCJul 5, 12:55 UTC10h 40m
2026-07-04 THY124 - Jul 4, 13:15 UTCJul 5, 00:10 UTC10h 55m
2026-07-04 THY91J - Jul 4, 01:40 UTCJul 4, 10:50 UTC9h 10m
2026-07-03 THY7KG IST → DTW Jul 3, 12:20 UTCJul 3, 23:20 UTC11h 0m
2026-07-03 THY2RC - Jul 3, 06:40 UTCJul 3, 07:35 UTC55m
2026-07-03 THY5JA - Jul 3, 04:15 UTCJul 3, 05:00 UTC45m
2026-07-03 THY87 KIX → IST Jul 3, 00:50 UTCJul 3, 01:05 UTC15m
2026-07-02 THY87 KIX → IST Jul 2, 13:30 UTCJul 3, 00:05 UTC10h 35m
2026-07-01 THY86 - Jul 1, 23:50 UTCJul 2, 09:40 UTC9h 50m
2026-06-29 THY2CP - Jun 29, 08:50 UTCJun 29, 10:40 UTC1h 50m
2026-06-29 THY3QX - Jun 29, 04:55 UTCJun 29, 06:44 UTC1h 50m
2026-06-29 THY87 KIX → IST Jun 29, 00:54 UTCJun 29, 01:20 UTC25m
2026-06-28 THY87 KIX → IST Jun 28, 13:29 UTCJun 29, 00:20 UTC10h 50m
2026-06-27 THY86 - Jun 27, 23:50 UTCJun 28, 09:45 UTC9h 55m
2026-06-27 THY2YX - Jun 27, 08:14 UTCJun 27, 20:39 UTC12h 25m
2026-06-26 THY48H - Jun 26, 16:35 UTCJun 27, 05:25 UTC12h 50m
2026-06-26 THY281 - Jun 26, 03:50 UTCJun 26, 13:19 UTC9h 30m
2026-06-25 THY281 - Jun 25, 14:04 UTCJun 26, 13:19 UTC23h 15m
2026-06-25 THY280 - Jun 25, 12:30 UTCJun 26, 12:00 UTC23h 30m
2026-06-24 THY9LC - Jun 24, 17:40 UTCJun 25, 02:39 UTC9h 0m
2026-06-24 THY69W IST → IAD Jun 24, 04:59 UTCJun 24, 15:24 UTC10h 25m
2026-06-23 THY41J MIA → IST Jun 23, 14:55 UTCJun 24, 01:24 UTC10h 30m
2026-06-22 THY4JD - Jun 22, 23:20 UTCJun 23, 11:24 UTC12h 5m
2026-06-22 THY299 - Jun 22, 11:35 UTCJun 22, 11:54 UTC20m
2026-06-22 THY299 - Jun 22, 02:14 UTCJun 22, 10:55 UTC8h 40m
2026-06-21 THY298 - Jun 21, 13:20 UTCJun 21, 21:34 UTC8h 15m

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

Mode-S 4BB190 frequently asked

What is Mode-S code 4BB190?
4BB190 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-LLP.
Where is Mode-S 4BB190 registered?
Mode-S code 4BB190 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BB190 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BB190, octal 22730620, decimal 4,960,656.
What flights does 4BB190 operate?
Mode-S 4BB190 has broadcast 20 distinct callsigns, including THY281, THY4JD, THY41J, THY5KM, THY84U.