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
- 264
- Distinct callsigns
- 20
- Country
- TR
- Last broadcast
- Jul 25, 12:00 UTC
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 | 22 | 2026-07-23 |
| THY281 | - | 10 | 2026-06-19 |
| THY224 | Turkish Airlines | 10 | 2026-05-27 |
| THY4JD | Turkish Airlines | 9 | 2026-07-19 |
| THY311 | Turkish Airlines | 9 | 2026-05-29 |
| THY41J | - | 8 | 2026-07-19 |
| THY5KM | - | 7 | 2026-07-17 |
| THY2AY | Turkish Airlines | 7 | 2026-07-18 |
| THY223 | Turkish Airlines | 7 | 2026-05-26 |
| THY197 | - | 7 | 2026-07-02 |
| THY196 | - | 7 | 2026-07-02 |
| THY125 | - | 7 | 2026-07-16 |
| THY87 | - | 6 | 2026-07-10 |
| THY67C | Turkish Airlines | 6 | 2026-07-01 |
| THY184 | Turkish Airlines | 6 | 2026-06-21 |
| THY84U | - | 5 | 2026-07-01 |
| THY519 | - | 5 | 2026-04-16 |
| THY310 | Turkish Airlines | 5 | 2026-05-27 |
| THY301 | Turkish Airlines | 5 | 2026-07-01 |
| THY299 | Turkish Airlines | 5 | 2026-07-25 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-25 | THY299 | CAN → IST | Jul 25, 11:30 UTC | Jul 25, 12:00 UTC | 30m |
| 2026-07-25 | THY299 | CAN → IST | Jul 25, 02:25 UTC | Jul 25, 10:55 UTC | 8h 30m |
| 2026-07-25 | THY299 | CAN → IST | Jul 25, 01:40 UTC | Jul 25, 01:50 UTC | 10m |
| 2026-07-24 | THY298 | IST → CAN | Jul 24, 13:10 UTC | Jul 24, 20:40 UTC | 7h 30m |
| 2026-07-23 | THY181 | CUN → IST | Jul 23, 19:30 UTC | Jul 24, 06:35 UTC | 11h 5m |
| 2026-07-23 | THY181 | CUN → IST | Jul 23, 15:25 UTC | Jul 23, 17:10 UTC | 1h 45m |
| 2026-07-22 | THY181 | CUN → IST | Jul 22, 23:35 UTC | Jul 23, 13:00 UTC | 13h 25m |
| 2026-07-22 | THY2NA | IST → FCO | Jul 22, 18:30 UTC | Jul 22, 20:15 UTC | 1h 45m |
| 2026-07-22 | THY3GK | IST → FCO | Jul 22, 14:10 UTC | Jul 22, 16:30 UTC | 2h 20m |
| 2026-07-22 | THY6938 | IAD → IST | Jul 22, 11:10 UTC | Jul 22, 11:35 UTC | 25m |
| 2026-07-22 | THY6938 | IAD → IST | Jul 22, 02:10 UTC | Jul 22, 10:25 UTC | 8h 15m |
| 2026-07-20 | THY69W | - | Jul 20, 05:25 UTC | Jul 20, 15:50 UTC | 10h 25m |
| 2026-07-19 | THY41J | - | Jul 19, 15:30 UTC | Jul 20, 02:20 UTC | 10h 50m |
| 2026-07-19 | THY4JD | IST → MIA | Jul 19, 01:55 UTC | Jul 19, 13:10 UTC | 11h 15m |
| 2026-07-18 | THY2AY | IAH → IST | Jul 18, 02:35 UTC | Jul 18, 14:00 UTC | 11h 26m |
| 2026-07-17 | THY5KM | - | Jul 17, 11:55 UTC | Jul 18, 00:00 UTC | 12h 5m |
| 2026-07-17 | THY4AX | - | Jul 17, 06:15 UTC | Jul 17, 09:04 UTC | 2h 50m |
| 2026-07-16 | THY8WM | - | Jul 16, 17:40 UTC | Jul 16, 21:00 UTC | 3h 20m |
| 2026-07-16 | THY125 | - | Jul 16, 13:34 UTC | Jul 16, 14:00 UTC | 25m |
| 2026-07-16 | THY125 | - | Jul 16, 07:50 UTC | Jul 16, 13:00 UTC | 5h 10m |
| 2026-07-16 | THY125 | - | Jul 16, 02:55 UTC | Jul 16, 07:25 UTC | 4h 30m |
| 2026-07-15 | THY124 | - | Jul 15, 13:45 UTC | Jul 16, 00:30 UTC | 10h 45m |
| 2026-07-15 | THY6EN | - | Jul 15, 09:05 UTC | Jul 15, 11:20 UTC | 2h 15m |
| 2026-07-15 | THY4VH | - | Jul 15, 04:55 UTC | Jul 15, 07:10 UTC | 2h 15m |
| 2026-07-12 | THY2JV | - | Jul 12, 19:15 UTC | Jul 12, 20:10 UTC | 55m |
| 2026-07-12 | THY9QA | - | Jul 12, 16:50 UTC | Jul 12, 17:30 UTC | 40m |
| 2026-07-12 | THY125 | - | Jul 12, 13:20 UTC | Jul 12, 13:45 UTC | 25m |
| 2026-07-12 | THY125 | - | Jul 12, 02:30 UTC | Jul 12, 12:45 UTC | 10h 15m |
| 2026-07-11 | THY124 | - | Jul 11, 13:20 UTC | Jul 11, 23:40 UTC | 10h 20m |
| 2026-07-10 | THY41Y | - | Jul 10, 20:05 UTC | Jul 11, 07:10 UTC | 11h 5m |
| 2026-07-10 | THY49Q | - | Jul 10, 05:30 UTC | Jul 10, 18:00 UTC | 12h 30m |
| 2026-07-10 | THY87 | - | Jul 10, 00:55 UTC | Jul 10, 01:15 UTC | 20m |
| 2026-07-09 | THY87 | - | Jul 9, 13:35 UTC | Jul 10, 00:15 UTC | 10h 40m |
| 2026-07-08 | THY86 | - | Jul 8, 23:40 UTC | Jul 9, 09:40 UTC | 10h 0m |
| 2026-07-08 | THY5YR | - | Jul 8, 03:40 UTC | Jul 8, 14:45 UTC | 11h 5m |
| 2026-07-07 | THY83J | IST → DFW | Jul 7, 12:40 UTC | Jul 8, 00:30 UTC | 11h 50m |
| 2026-07-06 | THY3CM | - | Jul 6, 20:15 UTC | Jul 7, 07:20 UTC | 11h 5m |
| 2026-07-06 | THY89J | - | Jul 6, 05:35 UTC | Jul 6, 17:40 UTC | 12h 5m |
| 2026-07-06 | THY87 | KIX → IST | Jul 6, 00:35 UTC | Jul 6, 00:55 UTC | 20m |
| 2026-07-05 | THY87 | KIX → IST | Jul 5, 13:30 UTC | Jul 6, 00:00 UTC | 10h 30m |
| 2026-07-04 | THY86 | - | Jul 4, 23:50 UTC | Jul 5, 09:45 UTC | 9h 55m |
| 2026-07-04 | THY5YR | - | Jul 4, 03:10 UTC | Jul 4, 14:05 UTC | 10h 55m |
| 2026-07-03 | THY83J | IST → DFW | Jul 3, 12:30 UTC | Jul 4, 00:40 UTC | 12h 10m |
| 2026-07-02 | THY197 | - | Jul 2, 23:40 UTC | Jul 3, 07:45 UTC | 8h 5m |
| 2026-07-02 | THY196 | - | Jul 2, 21:05 UTC | Jul 2, 21:25 UTC | 20m |
| 2026-07-02 | THY196 | - | Jul 2, 15:05 UTC | Jul 2, 15:20 UTC | 15m |
| 2026-07-02 | THY196 | - | Jul 2, 13:35 UTC | Jul 2, 14:00 UTC | 25m |
| 2026-07-02 | THY3YB | - | Jul 2, 09:05 UTC | Jul 2, 11:05 UTC | 2h 0m |
| 2026-07-02 | THY4XL | - | Jul 2, 04:50 UTC | Jul 2, 06:51 UTC | 2h 1m |
| 2026-07-01 | THY84U | - | Jul 1, 16:40 UTC | Jul 2, 02:15 UTC | 9h 35m |
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 .