sensors Mode-S transponder
885178
ICAO 24-bit transponder address · allocated to Thailand
Currently assigned to HS-TKX · BOEING 777-300ER
- Hex
- 885178
- Octal
- 42050570
- Decimal
- 8,933,752
- Country
- TH
- Tail
- HS-TKX
- Type
- B77W
- Flights observed
- 191
- Distinct callsigns
- 20
- Country
- TH
- Last broadcast
- 8h ago
Last known position
Country allocation
The ICAO 24-bit address 885178 falls within the block assigned to Thailand (TH) by ICAO Annex 10, Volume III. Every aircraft registered in Thailand 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 |
|---|---|---|---|
| THA920 | - | 16 | 2026-06-26 |
| THA921 | - | 13 | 2026-06-27 |
| THA638 | - | 12 | 2026-06-21 |
| THA683 | - | 11 | 2026-07-11 |
| THA916 | - | 10 | 2026-07-13 |
| THA639 | - | 10 | 2026-06-21 |
| THA971 | - | 9 | 2026-07-06 |
| THA951 | - | 9 | 2026-07-04 |
| THA682 | - | 9 | 2026-07-10 |
| THA970 | - | 8 | 2026-07-05 |
| THA917 | - | 8 | 2026-07-13 |
| THA950 | - | 7 | 2026-07-03 |
| THA673 | - | 7 | 2026-07-01 |
| THA600 | - | 6 | 2026-07-03 |
| THA923 | - | 5 | 2026-06-20 |
| THA922 | - | 5 | 2026-06-20 |
| THA601 | - | 5 | 2026-07-03 |
| THA931 | - | 4 | 2026-07-12 |
| THA930 | - | 4 | 2026-07-11 |
| THA672 | - | 4 | 2026-07-01 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-13 | THA917 | - | Jul 13, 20:50 UTC | Jul 14, 08:00 UTC | 11h 10m |
| 2026-07-13 | THA916 | - | Jul 13, 06:05 UTC | Jul 13, 18:10 UTC | 12h 5m |
| 2026-07-12 | THA931 | - | Jul 12, 12:01 UTC | Jul 12, 22:25 UTC | 10h 25m |
| 2026-07-11 | THA930 | - | Jul 11, 17:35 UTC | Jul 12, 05:20 UTC | 11h 45m |
| 2026-07-11 | THA683 | - | Jul 11, 07:35 UTC | Jul 11, 07:55 UTC | 20m |
| 2026-07-11 | THA683 | - | Jul 11, 02:00 UTC | Jul 11, 06:40 UTC | 4h 40m |
| 2026-07-10 | THA682 | - | Jul 10, 16:00 UTC | Jul 10, 21:35 UTC | 5h 35m |
| 2026-07-08 | THA349 | - | Jul 8, 12:55 UTC | Jul 8, 23:35 UTC | 10h 40m |
| 2026-07-07 | THA917 | - | Jul 7, 20:40 UTC | Jul 8, 07:40 UTC | 11h 0m |
| 2026-07-07 | THA916 | - | Jul 7, 05:55 UTC | Jul 7, 18:10 UTC | 12h 15m |
| 2026-07-06 | THA971 | - | Jul 6, 11:50 UTC | Jul 6, 22:00 UTC | 10h 10m |
| 2026-07-05 | THA970 | - | Jul 5, 18:25 UTC | Jul 6, 05:25 UTC | 11h 0m |
| 2026-07-04 | THA951 | - | Jul 4, 13:10 UTC | Jul 4, 23:15 UTC | 10h 5m |
| 2026-07-03 | THA950 | - | Jul 3, 18:40 UTC | Jul 4, 05:55 UTC | 11h 15m |
| 2026-07-03 | THA601 | - | Jul 3, 07:50 UTC | Jul 3, 08:25 UTC | 35m |
| 2026-07-03 | THA601 | - | Jul 3, 06:10 UTC | Jul 3, 06:25 UTC | 15m |
| 2026-07-03 | THA600 | - | Jul 3, 03:25 UTC | Jul 3, 03:35 UTC | 10m |
| 2026-07-03 | THA600 | - | Jul 3, 01:20 UTC | Jul 3, 01:45 UTC | 25m |
| 2026-07-02 | THA971 | - | Jul 2, 12:30 UTC | Jul 2, 22:30 UTC | 10h 0m |
| 2026-07-01 | THA970 | - | Jul 1, 18:30 UTC | Jul 2, 05:20 UTC | 10h 50m |
| 2026-07-01 | THA673 | - | Jul 1, 08:55 UTC | Jul 1, 11:50 UTC | 2h 55m |
| 2026-07-01 | THA672 | - | Jul 1, 01:45 UTC | Jul 1, 06:50 UTC | 5h 5m |
| 2026-06-30 | THA971 | - | Jun 30, 12:35 UTC | Jun 30, 22:10 UTC | 9h 35m |
| 2026-06-29 | THA970 | - | Jun 29, 18:30 UTC | Jun 30, 05:30 UTC | 11h 1m |
| 2026-06-29 | THA623 | KIX → BKK | Jun 29, 03:34 UTC | Jun 29, 08:35 UTC | 5h 0m |
| 2026-06-28 | THA622 | - | Jun 28, 17:44 UTC | Jun 28, 22:45 UTC | 5h 0m |
| 2026-06-28 | THA665 | - | Jun 28, 04:20 UTC | Jun 28, 13:49 UTC | 9h 30m |
| 2026-06-27 | THA921 | - | Jun 27, 13:15 UTC | Jun 27, 23:19 UTC | 10h 5m |
| 2026-06-26 | THA920 | - | Jun 26, 17:04 UTC | Jun 26, 20:44 UTC | 3h 40m |
| 2026-06-26 | THA665 | - | Jun 26, 04:14 UTC | Jun 26, 13:30 UTC | 9h 15m |
| 2026-06-25 | THA971 | - | Jun 25, 13:05 UTC | Jun 25, 21:44 UTC | 8h 40m |
| 2026-06-24 | THA970 | - | Jun 24, 19:00 UTC | Jun 25, 05:44 UTC | 10h 45m |
| 2026-06-24 | THA404 | - | Jun 24, 04:44 UTC | Jun 24, 06:35 UTC | 1h 50m |
| 2026-06-24 | THA403 | - | Jun 24, 01:19 UTC | Jun 24, 02:54 UTC | 1h 35m |
| 2026-06-23 | THA316 | - | Jun 23, 18:20 UTC | Jun 23, 21:49 UTC | 3h 30m |
| 2026-06-23 | THA315 | - | Jun 23, 12:25 UTC | Jun 23, 15:55 UTC | 3h 30m |
| 2026-06-22 | THA931 | - | Jun 22, 12:30 UTC | Jun 22, 22:59 UTC | 10h 30m |
| 2026-06-21 | THA930 | - | Jun 21, 17:35 UTC | Jun 22, 05:04 UTC | 11h 30m |
| 2026-06-21 | THA639 | - | Jun 21, 11:30 UTC | Jun 21, 14:15 UTC | 2h 45m |
| 2026-06-21 | THA638 | - | Jun 21, 09:35 UTC | Jun 21, 09:55 UTC | 20m |
| 2026-06-21 | THA638 | - | Jun 21, 07:29 UTC | Jun 21, 09:04 UTC | 1h 35m |
| 2026-06-20 | THA923 | - | Jun 20, 19:09 UTC | Jun 21, 05:15 UTC | 10h 5m |
| 2026-06-20 | THA922 | - | Jun 20, 05:54 UTC | Jun 20, 17:04 UTC | 11h 10m |
| 2026-06-19 | THA316 | - | Jun 19, 18:59 UTC | Jun 19, 22:30 UTC | 3h 30m |
| 2026-06-19 | THA315 | DMK → DEL | Jun 19, 13:24 UTC | Jun 19, 16:49 UTC | 3h 25m |
| 2026-06-18 | THA917 | - | Jun 18, 20:45 UTC | Jun 19, 07:39 UTC | 10h 54m |
| 2026-06-18 | THA916 | - | Jun 18, 06:05 UTC | Jun 18, 18:15 UTC | 12h 10m |
| 2026-06-17 | THA921 | - | Jun 17, 12:55 UTC | Jun 17, 21:40 UTC | 8h 45m |
| 2026-06-16 | THA920 | - | Jun 16, 17:10 UTC | Jun 16, 20:55 UTC | 3h 46m |
| 2026-06-16 | THA673 | KIX → BKK | Jun 16, 08:39 UTC | Jun 16, 14:15 UTC | 5h 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 HS-TKX page for operator, model, and routing details .