Apparatus

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sensors Mode-S transponder

4BB156

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-LJV · BOEING 777-200LR

Hex
4BB156
Octal
22730526
Decimal
4,960,598
Country
TR
Tail
TC-LJV
Type
B77L
Transponder active on ground
Flights observed
282
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 19:45 UTC

Last known position

Most recent position reported by Mode-S 4BB156.

Country allocation

The ICAO 24-bit address 4BB156 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
THY6212 - 15 2026-06-12
THY6437 Turkish Airlines 12 2026-06-14
THY6586 - 8 2026-06-23
THY6583 - 7 2026-07-13
THY6579 - 7 2026-07-03
THY6434 - 7 2026-07-05
THY6040 Turkish Airlines 7 2026-06-04
THY6587 - 6 2026-06-23
THY6306 Turkish Airlines 6 2026-05-29
THY6265 - 6 2026-07-09
THY6039 Turkish Airlines 6 2026-06-03
THY6571 - 5 2026-06-30
THY6428 Turkish Airlines 5 2026-07-25
THY6290 - 5 2026-04-18
THY6263 Turkish Airlines 5 2026-06-16
THY6257 Turkish Airlines 5 2026-05-25
THY6245 - 5 2026-04-13
THY6233 Turkish Airlines 5 2026-06-08
THY6354 Turkish Airlines 4 2026-05-08
THY6353 Turkish Airlines 4 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY6330 ZRH → ISL Jul 26, 19:20 UTCJul 26, 19:45 UTC25m
2026-07-25 THY6244 BEY → HAN Jul 25, 23:10 UTCJul 26, 18:40 UTC19h 31m
2026-07-25 THY6244 BEY → HAN Jul 25, 19:45 UTCJul 25, 20:55 UTC1h 10m
2026-07-25 THY6560 ISL → DAC Jul 25, 15:05 UTCJul 25, 16:35 UTC1h 30m
2026-07-25 THY6559 IST → AMS Jul 25, 10:25 UTCJul 25, 11:55 UTC1h 30m
2026-07-25 THY6428 DWC → MFM Jul 25, 01:35 UTCJul 25, 03:45 UTC2h 10m
2026-07-25 THY6428 DWC → MFM Jul 25, 00:35 UTCJul 25, 00:45 UTC10m
2026-07-24 THY6428 DWC → MFM Jul 24, 21:00 UTCJul 24, 23:00 UTC2h 0m
2026-07-24 THY6428 DWC → MFM Jul 24, 13:55 UTCJul 24, 17:40 UTC3h 45m
2026-07-23 THY6591 PVG → IST Jul 23, 15:45 UTCJul 24, 07:40 UTC15h 55m
2026-07-23 THY6591 PVG → IST Jul 23, 07:35 UTCJul 24, 07:30 UTC23h 55m
2026-07-23 THY6590 FRU → FRU Jul 23, 06:00 UTCJul 24, 05:30 UTC23h 30m
2026-07-22 THY6136 STN → STN Jul 22, 18:05 UTCJul 23, 01:45 UTC7h 40m
2026-07-22 THY6136 - Jul 22, 03:55 UTCJul 22, 05:25 UTC1h 30m
2026-07-19 THY6595 PVG → IST Jul 19, 14:20 UTCJul 19, 14:30 UTC10m
2026-07-19 THY6595 PVG → IST Jul 19, 04:50 UTCJul 19, 13:25 UTC8h 35m
2026-07-18 THY6595 PVG → IST Jul 18, 17:00 UTCJul 19, 13:25 UTC20h 25m
2026-07-18 THY6594 - Jul 18, 07:35 UTCJul 19, 05:05 UTC21h 30m
2026-07-18 THY6594 - Jul 18, 06:25 UTCJul 19, 05:05 UTC22h 40m
2026-07-17 THY6273 HAN → DEL Jul 17, 08:35 UTCJul 17, 14:30 UTC5h 55m
2026-07-16 THY6261 - Jul 16, 15:45 UTCJul 17, 06:35 UTC14h 50m
2026-07-16 THY6261 - Jul 16, 11:50 UTCJul 16, 13:54 UTC2h 5m
2026-07-16 THY6575 - Jul 16, 00:45 UTCJul 16, 08:25 UTC7h 40m
2026-07-15 THY6575 - Jul 15, 09:35 UTCJul 16, 08:25 UTC22h 50m
2026-07-15 THY6575 - Jul 15, 08:05 UTCJul 16, 07:25 UTC23h 20m
2026-07-14 THY6418 - Jul 14, 23:20 UTCJul 15, 02:30 UTC3h 10m
2026-07-14 THY6417 - Jul 14, 16:35 UTCJul 14, 20:10 UTC3h 35m
2026-07-14 THY6267 - Jul 14, 14:10 UTCJul 14, 14:35 UTC25m
2026-07-14 THY6267 - Jul 14, 12:10 UTCJul 14, 13:30 UTC1h 20m
2026-07-14 THY6267 - Jul 14, 04:25 UTCJul 14, 04:35 UTC10m
2026-07-13 THY6266 - Jul 13, 10:45 UTCJul 14, 01:45 UTC15h 0m
2026-07-13 THY6583 - Jul 13, 06:35 UTCJul 13, 06:55 UTC20m
2026-07-12 THY6583 - Jul 12, 22:45 UTCJul 13, 06:01 UTC7h 15m
2026-07-12 THY6583 - Jul 12, 07:35 UTCJul 13, 06:01 UTC22h 25m
2026-07-12 THY6583 - Jul 12, 06:15 UTCJul 13, 05:31 UTC23h 15m
2026-07-11 THY6020 - Jul 11, 19:25 UTCJul 12, 03:10 UTC7h 45m
2026-07-11 THY6020 - Jul 11, 18:00 UTCJul 11, 19:20 UTC1h 20m
2026-07-11 THY6019 ATL → YYZ Jul 11, 13:50 UTCJul 11, 15:30 UTC1h 40m
2026-07-10 THY6019 - Jul 10, 22:30 UTCJul 11, 09:55 UTC11h 25m
2026-07-10 THY6273 - Jul 10, 12:50 UTCJul 10, 18:50 UTC6h 0m
2026-07-10 THY6273 - Jul 10, 07:25 UTCJul 10, 10:35 UTC3h 10m
2026-07-09 THY6261 - Jul 9, 19:35 UTCJul 10, 04:00 UTC8h 25m
2026-07-09 THY6261 - Jul 9, 15:05 UTCJul 9, 17:20 UTC2h 15m
2026-07-09 THY6265 - Jul 9, 03:05 UTCJul 9, 12:15 UTC9h 10m
2026-07-09 THY6265 - Jul 9, 00:55 UTCJul 9, 01:10 UTC15m
2026-07-08 THY6192 - Jul 8, 20:55 UTCJul 8, 21:30 UTC35m
2026-07-08 THY6192 - Jul 8, 15:00 UTCJul 8, 19:15 UTC4h 15m
2026-07-07 THY6585 - Jul 7, 17:50 UTCJul 8, 02:00 UTC8h 10m
2026-07-07 THY6585 - Jul 7, 01:50 UTCJul 8, 01:30 UTC23h 40m
2026-07-06 THY6583 - Jul 6, 13:55 UTCJul 6, 23:20 UTC9h 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-LJV page for operator, model, and routing details .

Mode-S 4BB156 frequently asked

What is Mode-S code 4BB156?
4BB156 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-LJV.
Where is Mode-S 4BB156 registered?
Mode-S code 4BB156 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BB156 broadcasting right now?
Mode-S 4BB156 is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BB156, octal 22730526, decimal 4,960,598.
What flights does 4BB156 operate?
Mode-S 4BB156 has broadcast 20 distinct callsigns, including THY6212, THY6437, THY6586, THY6583, THY6579.