sensors Mode-S transponder
4BB187
ICAO 24-bit transponder address · allocated to Turkey
Currently assigned to TC-LLG · BOEING 787-9 Dreamliner
- Hex
- 4BB187
- Octal
- 22730607
- Decimal
- 4,960,647
- Country
- TR
- Tail
- TC-LLG
- Type
- B789
- Flights observed
- 141
- Distinct callsigns
- 20
- Country
- TR
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 4BB187 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 |
|---|---|---|---|
| THY181 | Turkish Airlines | 19 | 2026-05-21 |
| THY224 | Turkish Airlines | 10 | 2026-05-27 |
| THY311 | Turkish Airlines | 9 | 2026-05-29 |
| THY281 | Turkish Airlines | 7 | 2026-05-26 |
| THY223 | Turkish Airlines | 7 | 2026-05-26 |
| THY5KM | Turkish Airlines | 6 | 2026-04-14 |
| THY4JD | Turkish Airlines | 6 | 2026-04-17 |
| THY2AY | Turkish Airlines | 6 | 2026-04-15 |
| THY519 | - | 5 | 2026-04-16 |
| THY41J | Turkish Airlines | 5 | 2026-04-17 |
| THY310 | Turkish Airlines | 5 | 2026-05-27 |
| THY67C | Turkish Airlines | 4 | 2026-05-03 |
| THY518 | - | 4 | 2026-04-16 |
| THY84U | Turkish Airlines | 3 | 2026-05-03 |
| THY54 | Turkish Airlines | 3 | 2026-05-07 |
| THY51 | Turkish Airlines | 3 | 2026-05-16 |
| THY184 | Turkish Airlines | 3 | 2026-05-17 |
| THY55 | Turkish Airlines | 2 | 2026-05-08 |
| THY50 | Turkish Airlines | 2 | 2026-05-15 |
| THY49Q | Turkish Airlines | 2 | 2026-05-04 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | THY12E | LAX → IST | May 29, 21:30 UTC | May 30, 01:50 UTC | 4h 20m |
| 2026-05-29 | THY8MT | IST → LAX | May 29, 05:35 UTC | May 29, 19:00 UTC | 13h 25m |
| 2026-05-29 | THY311 | DPS → IST | May 29, 02:40 UTC | May 29, 02:55 UTC | 15m |
| 2026-05-28 | THY311 | DPS → IST | May 28, 16:00 UTC | May 29, 01:55 UTC | 9h 55m |
| 2026-05-28 | THY311 | DPS → IST | May 28, 05:50 UTC | May 29, 01:55 UTC | 20h 5m |
| 2026-05-28 | THY311 | DPS → IST | May 28, 03:55 UTC | May 29, 01:55 UTC | 22h 0m |
| 2026-05-28 | THY311 | DPS → IST | May 28, 03:40 UTC | May 29, 01:45 UTC | 22h 5m |
| 2026-05-27 | THY310 | IST → DPS | May 27, 23:50 UTC | May 28, 21:10 UTC | 21h 20m |
| 2026-05-27 | THY310 | IST → DPS | May 27, 23:30 UTC | May 28, 21:10 UTC | 21h 40m |
| 2026-05-27 | THY224 | CCS → IST | May 27, 01:54 UTC | May 27, 16:55 UTC | 15h 1m |
| 2026-05-26 | THY224 | CCS → IST | May 26, 17:50 UTC | May 27, 16:55 UTC | 23h 6m |
| 2026-05-26 | THY223 | IST → CCS | May 26, 15:49 UTC | May 27, 15:45 UTC | 23h 55m |
| 2026-05-26 | THY223 | IST → CCS | May 26, 15:00 UTC | May 27, 13:45 UTC | 22h 45m |
| 2026-05-26 | THY281 | PVG → IST | May 26, 11:39 UTC | May 26, 11:50 UTC | 10m |
| 2026-05-26 | THY281 | PVG → IST | May 26, 02:19 UTC | May 26, 11:00 UTC | 8h 40m |
| 2026-05-25 | THY281 | PVG → IST | May 25, 13:50 UTC | May 26, 11:00 UTC | 21h 9m |
| 2026-05-25 | THY281 | PVG → IST | May 25, 13:40 UTC | May 26, 11:00 UTC | 21h 19m |
| 2026-05-25 | THY280 | IST → PVG | May 25, 12:40 UTC | May 25, 12:50 UTC | 10m |
| 2026-05-24 | THY224 | CCS → IST | May 24, 02:25 UTC | May 24, 17:30 UTC | 15h 5m |
| 2026-05-23 | THY224 | CCS → IST | May 23, 17:50 UTC | May 24, 17:30 UTC | 23h 40m |
| 2026-05-23 | THY223 | IST → CCS | May 23, 15:50 UTC | May 24, 15:45 UTC | 23h 55m |
| 2026-05-23 | THY223 | IST → CCS | May 23, 15:40 UTC | May 24, 13:45 UTC | 22h 5m |
| 2026-05-23 | THY281 | PVG → IST | May 23, 11:15 UTC | May 23, 11:30 UTC | 15m |
| 2026-05-23 | THY281 | PVG → IST | May 23, 06:15 UTC | May 23, 10:35 UTC | 4h 20m |
| 2026-05-22 | THY281 | PVG → IST | May 22, 14:20 UTC | May 23, 10:35 UTC | 20h 14m |
| 2026-05-21 | THY181 | CUN → IST | May 21, 19:45 UTC | May 22, 07:05 UTC | 11h 20m |
| 2026-05-21 | THY181 | CUN → IST | May 21, 15:20 UTC | May 21, 17:05 UTC | 1h 45m |
| 2026-05-20 | THY181 | CUN → IST | May 20, 23:25 UTC | May 21, 13:15 UTC | 13h 50m |
| 2026-05-20 | THY224 | CCS → IST | May 20, 01:50 UTC | May 20, 16:05 UTC | 14h 16m |
| 2026-05-19 | THY224 | CCS → IST | May 19, 17:50 UTC | May 20, 16:05 UTC | 22h 16m |
| 2026-05-19 | THY224 | CCS → IST | May 19, 15:50 UTC | May 20, 15:45 UTC | 23h 56m |
| 2026-05-19 | THY223 | IST → CCS | May 19, 14:45 UTC | May 20, 13:45 UTC | 23h 1m |
| 2026-05-19 | THY32G | ATL → IST | May 19, 02:05 UTC | May 19, 12:10 UTC | 10h 5m |
| 2026-05-18 | THY31K | IST → ATL | May 18, 12:10 UTC | May 18, 23:00 UTC | 10h 49m |
| 2026-05-17 | THY184 | IST → MEX | May 17, 19:05 UTC | May 18, 06:20 UTC | 11h 15m |
| 2026-05-17 | THY184 | IST → MEX | May 17, 15:05 UTC | May 17, 16:45 UTC | 1h 40m |
| 2026-05-16 | THY184 | IST → MEX | May 16, 23:40 UTC | May 17, 13:15 UTC | 13h 35m |
| 2026-05-16 | THY51 | NRT → IST | May 16, 02:50 UTC | May 16, 13:51 UTC | 11h 1m |
| 2026-05-15 | THY50 | IST → NRT | May 15, 14:40 UTC | May 16, 00:45 UTC | 10h 4m |
| 2026-05-15 | THY1KD | VIE → IST | May 15, 09:20 UTC | May 15, 10:45 UTC | 1h 25m |
| 2026-05-15 | THY7KF | IST → VIE | May 15, 05:25 UTC | May 15, 07:00 UTC | 1h 35m |
| 2026-05-14 | THY311 | DPS → IST | May 14, 05:50 UTC | May 15, 01:40 UTC | 19h 50m |
| 2026-05-14 | THY311 | DPS → IST | May 14, 04:15 UTC | May 15, 01:40 UTC | 21h 25m |
| 2026-05-14 | THY310 | IST → DPS | May 14, 00:50 UTC | May 14, 21:10 UTC | 20h 20m |
| 2026-05-13 | THY310 | IST → DPS | May 13, 12:10 UTC | May 14, 08:00 UTC | 19h 50m |
| 2026-05-13 | THY310 | IST → DPS | May 13, 09:05 UTC | May 14, 07:45 UTC | 22h 40m |
| 2026-05-13 | THY51 | NRT → IST | May 13, 03:50 UTC | May 14, 01:25 UTC | 21h 35m |
| 2026-05-13 | THY51 | NRT → IST | May 13, 02:20 UTC | May 14, 01:25 UTC | 23h 5m |
| 2026-05-12 | THY50 | IST → NRT | May 12, 14:25 UTC | May 13, 00:15 UTC | 9h 50m |
| 2026-05-12 | THY2JT | FCO → IST | May 12, 09:10 UTC | May 12, 10:40 UTC | 1h 30m |
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-LLG page for operator, model, and routing details .