sensors Mode-S transponder

4BB1A5

ICAO 24-bit transponder address · allocated to Turkey

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

Hex
4BB1A5
Octal
22730645
Decimal
4,960,677
Country
TR
Tail
TC-LME
Type
B789
No current signal · last broadcast 24m ago
Flights observed
112
Distinct callsigns
20
Country
TR
Last broadcast
24m ago

Last known position

Most recent position reported by Mode-S 4BB1A5.

Country allocation

The ICAO 24-bit address 4BB1A5 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 THY50 IST → NRT May 30, 13:10 UTCMay 30, 20:55 UTC7h 45m
2026-05-29 THY41Y IAH → IST May 29, 19:45 UTCMay 30, 07:05 UTC11h 20m
2026-05-29 THY49Q IST → IAH May 29, 05:20 UTCMay 29, 17:40 UTC12h 20m
2026-05-28 THY84U ORD → IST May 28, 16:45 UTCMay 29, 02:40 UTC9h 55m
2026-05-28 THY67C IST → ORD May 28, 03:45 UTCMay 28, 14:05 UTC10h 20m
2026-05-27 THY4RN ESB → IST May 27, 21:45 UTCMay 28, 00:50 UTC3h 5m
2026-05-27 THY9PG CDG → SAW May 27, 16:30 UTCMay 27, 19:50 UTC3h 20m
2026-05-27 THY32G ATL → IST May 27, 02:24 UTCMay 27, 12:30 UTC10h 5m
2026-05-26 THY31K IST → ATL May 26, 12:40 UTCMay 26, 23:49 UTC11h 10m
2026-05-25 THY12E LAX → IST May 25, 20:59 UTCMay 26, 09:04 UTC12h 5m
2026-05-25 THY8MT IST → LAX May 25, 05:40 UTCMay 25, 18:40 UTC13h 0m
2026-05-24 THY41J MIA → IST May 24, 14:55 UTCMay 24, 23:46 UTC8h 51m
2026-05-23 THY4JD IST → MIA May 23, 23:25 UTCMay 24, 10:55 UTC11h 30m
2026-05-23 THY51 NRT → IST May 23, 14:10 UTCMay 23, 14:25 UTC15m
2026-05-23 THY51 NRT → IST May 23, 02:00 UTCMay 23, 13:25 UTC11h 25m
2026-05-22 THY50 IST → NRT May 22, 13:40 UTCMay 23, 00:05 UTC10h 25m
2026-05-22 THY8 IAD → IST May 22, 02:00 UTCMay 22, 11:00 UTC8h 59m
2026-05-21 THY7 IST → IAD May 21, 13:20 UTCMay 21, 23:35 UTC10h 15m
2026-05-21 THY47G BOM → IST May 21, 01:45 UTCMay 21, 07:10 UTC5h 25m
2026-05-20 THY59E IST → BOM May 20, 18:20 UTCMay 20, 23:40 UTC5h 20m
2026-05-20 THY59E IST → BOM May 20, 17:30 UTCMay 20, 17:40 UTC10m
2026-05-20 THY12 JFK → IST May 20, 04:45 UTCMay 20, 13:30 UTC8h 45m
2026-05-19 THY11 IST → JFK May 19, 16:05 UTCMay 20, 01:30 UTC9h 25m
2026-05-19 THY311 DPS → IST May 19, 02:15 UTCMay 19, 02:25 UTC10m
2026-05-18 THY311 DPS → IST May 18, 07:25 UTCMay 19, 01:35 UTC18h 9m
2026-05-18 THY311 DPS → IST May 18, 05:20 UTCMay 19, 01:35 UTC20h 14m
2026-05-18 THY311 DPS → IST May 18, 03:55 UTCMay 19, 01:35 UTC21h 39m
2026-05-18 THY311 DPS → IST May 18, 01:20 UTCMay 19, 01:15 UTC23h 54m
2026-05-17 THY310 IST → DPS May 17, 23:35 UTCMay 18, 21:15 UTC21h 39m
2026-05-17 THY2NA IST → FCO May 17, 18:25 UTCMay 17, 20:01 UTC1h 35m
2026-05-17 THY3GK IST → FCO May 17, 14:35 UTCMay 17, 16:30 UTC1h 55m
2026-05-17 THY8 IAD → IST May 17, 01:55 UTCMay 17, 10:45 UTC8h 50m
2026-05-16 THY7 IST → IAD May 16, 13:11 UTCMay 16, 23:25 UTC10h 15m
2026-05-15 THY197 PEK → IST May 15, 15:00 UTCMay 16, 08:16 UTC17h 16m
2026-05-14 THY9LC BJV → ESB May 14, 17:40 UTCMay 15, 02:50 UTC9h 10m
2026-05-14 THY69W IST → IAD May 14, 05:25 UTCMay 14, 15:35 UTC10h 10m
2026-05-13 THY25 TPE → IST May 13, 13:55 UTCMay 14, 01:10 UTC11h 15m
2026-05-12 THY24 IST → TPE May 12, 23:15 UTCMay 13, 09:10 UTC9h 55m
2026-05-12 THY224 CCS → IST May 12, 10:20 UTCMay 12, 14:45 UTC4h 25m
2026-05-11 THY224 CCS → IST May 11, 17:20 UTCMay 12, 14:45 UTC21h 25m
2026-05-11 THY224 CCS → IST May 11, 15:20 UTCMay 12, 14:45 UTC23h 26m
2026-05-11 THY223 IST → CCS May 11, 13:20 UTCMay 12, 13:15 UTC23h 56m
2026-05-10 THY41J MIA → IST May 10, 17:45 UTCMay 11, 03:45 UTC10h 0m
2026-05-10 THY4JD IST → MIA May 10, 03:55 UTCMay 10, 15:29 UTC11h 35m
2026-05-09 THY6924 DTW → IST May 9, 13:10 UTCMay 9, 22:30 UTC9h 20m
2026-05-08 THY6923 IST → DTW May 8, 05:09 UTCMay 8, 15:30 UTC10h 20m
2026-05-07 THY84U ORD → IST May 7, 16:55 UTCMay 8, 02:39 UTC9h 44m
2026-05-07 THY67C IST → ORD May 7, 03:55 UTCMay 7, 14:30 UTC10h 35m
2026-05-06 THY2NA IST → FCO May 6, 18:25 UTCMay 6, 20:00 UTC1h 35m
2026-05-06 THY3GK IST → FCO May 6, 14:10 UTCMay 6, 16:05 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-LME page for operator, model, and routing details .

Mode-S 4BB1A5 frequently asked

What is Mode-S code 4BB1A5?
4BB1A5 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-LME.
Where is Mode-S 4BB1A5 registered?
Mode-S code 4BB1A5 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BB1A5 broadcasting right now?
No active broadcast right now. Last signal was 24m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BB1A5, octal 22730645, decimal 4,960,677.
What flights does 4BB1A5 operate?
Mode-S 4BB1A5 has broadcast 20 distinct callsigns, including THY7, THY11, THY8, THY224, THY12.