sensors Mode-S transponder
39C423
ICAO 24-bit transponder address · allocated to France
Currently assigned to F-HRBD · BOEING 787-9 Dreamliner
- Hex
- 39C423
- Octal
- 16342043
- Decimal
- 3,785,763
- Country
- FR
- Tail
- F-HRBD
- Type
- B789
- Flights observed
- 89
- Distinct callsigns
- 20
- Country
- FR
- Last broadcast
- 56m ago
Last known position
Country allocation
The ICAO 24-bit address 39C423 falls within the block assigned to France (FR) by ICAO Annex 10, Volume III. Every aircraft registered in France 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 |
|---|---|---|---|
| AFR75K | Air France | 11 | 2026-05-10 |
| AFR074 | Air France | 10 | 2026-05-10 |
| AFR902 | Air France | 7 | 2026-04-16 |
| AFR415 | Air France | 6 | 2026-05-03 |
| AFR988 | Air France | 5 | 2026-04-30 |
| AFR416 | Air France | 5 | 2026-05-03 |
| AFR989 | - | 4 | 2026-05-01 |
| AFR926 | Air France | 4 | 2026-04-25 |
| AFR32J | Air France | 4 | 2026-05-24 |
| AFR202 | Air France | 4 | 2026-05-02 |
| AFR923 | Air France | 3 | 2026-04-25 |
| AFR343 | Air France | 3 | 2026-05-21 |
| AFR342T | Air France | 3 | 2026-05-21 |
| AFR33J | Air France | 3 | 2026-05-25 |
| AFR201 | Air France | 3 | 2026-05-02 |
| AFR598 | Air France | 2 | 2026-05-28 |
| AFR182 | Air France | 2 | 2026-05-04 |
| AFR181 | Air France | 2 | 2026-05-05 |
| AFR159X | Air France | 2 | 2026-05-26 |
| AFR158M | Air France | 2 | 2026-05-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AFR088 | CDG → SFO | May 29, 14:35 UTC | May 29, 22:40 UTC | 8h 5m |
| 2026-05-28 | AFR598 | NKC → CDG | May 28, 22:25 UTC | May 29, 06:45 UTC | 8h 20m |
| 2026-05-28 | AFR598 | NKC → CDG | May 28, 14:55 UTC | May 28, 20:00 UTC | 5h 5m |
| 2026-05-26 | AFR159X | DFW → CDG | May 26, 22:25 UTC | May 27, 07:10 UTC | 8h 45m |
| 2026-05-26 | AFR158M | CDG → DFW | May 26, 09:04 UTC | May 26, 18:50 UTC | 9h 45m |
| 2026-05-25 | AFR578 | CDG → CKY | May 25, 15:55 UTC | May 26, 05:59 UTC | 14h 4m |
| 2026-05-25 | AFR33J | ATL → CDG | May 25, 03:45 UTC | May 25, 11:30 UTC | 7h 45m |
| 2026-05-24 | AFR32J | CDG → ATL | May 24, 12:45 UTC | May 24, 21:45 UTC | 9h 0m |
| 2026-05-24 | AFR33J | ATL → CDG | May 24, 00:35 UTC | May 24, 08:30 UTC | 7h 55m |
| 2026-05-23 | AFR32J | CDG → ATL | May 23, 18:25 UTC | May 23, 21:40 UTC | 3h 15m |
| 2026-05-23 | AFR32J | CDG → ATL | May 23, 12:45 UTC | May 23, 18:20 UTC | 5h 36m |
| 2026-05-23 | AFR33J | ATL → CDG | May 23, 00:20 UTC | May 23, 07:50 UTC | 7h 30m |
| 2026-05-22 | AFR32J | CDG → ATL | May 22, 12:40 UTC | May 22, 21:30 UTC | 8h 50m |
| 2026-05-21 | AFR343 | YUL → CDG | May 21, 21:20 UTC | May 22, 03:15 UTC | 5h 55m |
| 2026-05-21 | AFR342T | CDG → YUL | May 21, 09:10 UTC | May 21, 16:05 UTC | 6h 55m |
| 2026-05-10 | AFR75K | RDU → CDG | May 10, 22:20 UTC | May 11, 05:35 UTC | 7h 15m |
| 2026-05-10 | AFR074 | CDG → RDU | May 10, 11:40 UTC | May 10, 19:35 UTC | 7h 55m |
| 2026-05-09 | AFR75K | RDU → CDG | May 9, 22:25 UTC | May 10, 05:50 UTC | 7h 25m |
| 2026-05-09 | AFR074 | CDG → RDU | May 9, 11:35 UTC | May 9, 19:35 UTC | 8h 0m |
| 2026-05-08 | AFR343 | YUL → CDG | May 8, 21:15 UTC | May 9, 03:30 UTC | 6h 15m |
| 2026-05-08 | AFR342T | CDG → YUL | May 8, 09:54 UTC | May 8, 16:50 UTC | 6h 55m |
| 2026-05-07 | AFR75K | RDU → CDG | May 7, 22:25 UTC | May 8, 05:20 UTC | 6h 54m |
| 2026-05-07 | AFR074 | CDG → RDU | May 7, 11:25 UTC | May 7, 19:55 UTC | 8h 30m |
| 2026-05-06 | AFR159X | DFW → CDG | May 6, 21:40 UTC | May 7, 06:05 UTC | 8h 25m |
| 2026-05-06 | AFR158M | CDG → DFW | May 6, 09:00 UTC | May 6, 19:05 UTC | 10h 4m |
| 2026-05-05 | AFR181 | SIN → CDG | May 5, 03:05 UTC | May 5, 16:00 UTC | 12h 55m |
| 2026-05-04 | AFR182 | CDG → SIN | May 4, 12:30 UTC | May 5, 00:15 UTC | 11h 46m |
| 2026-05-03 | AFR415 | FOR → CDG | May 3, 23:15 UTC | May 4, 07:00 UTC | 7h 45m |
| 2026-05-03 | AFR416 | CDG → FOR | May 3, 12:15 UTC | May 3, 21:05 UTC | 8h 50m |
| 2026-05-02 | AFR201 | PEK → CDG | May 2, 22:15 UTC | May 3, 03:10 UTC | 4h 55m |
| 2026-05-02 | AFR201 | PEK → CDG | May 2, 15:25 UTC | May 2, 15:35 UTC | 10m |
| 2026-05-02 | AFR202 | CDG → BOM | May 2, 07:30 UTC | May 2, 07:50 UTC | 20m |
| 2026-05-01 | AFR202 | CDG → BOM | May 1, 21:20 UTC | May 2, 01:35 UTC | 4h 15m |
| 2026-05-01 | AFR989 | - | May 1, 02:05 UTC | May 1, 03:55 UTC | 1h 50m |
| 2026-04-30 | AFR988 | POB → POB | Apr 30, 15:35 UTC | Apr 30, 15:45 UTC | 10m |
| 2026-04-30 | AFR988 | POB → POB | Apr 30, 09:20 UTC | Apr 30, 10:55 UTC | 1h 35m |
| 2026-04-29 | AFR201 | PEK → CDG | Apr 29, 15:25 UTC | Apr 30, 03:25 UTC | 11h 59m |
| 2026-04-29 | AFR202 | CDG → BOM | Apr 29, 07:05 UTC | Apr 29, 07:29 UTC | 25m |
| 2026-04-28 | AFR202 | CDG → BOM | Apr 28, 21:10 UTC | Apr 29, 01:10 UTC | 4h 0m |
| 2026-04-28 | AFR181 | SIN → CDG | Apr 28, 03:15 UTC | Apr 28, 16:30 UTC | 13h 15m |
| 2026-04-27 | AFR182 | CDG → SIN | Apr 27, 12:10 UTC | Apr 28, 00:15 UTC | 12h 5m |
| 2026-04-26 | AFR415 | FOR → CDG | Apr 26, 23:15 UTC | Apr 27, 07:20 UTC | 8h 5m |
| 2026-04-26 | AFR416 | CDG → FOR | Apr 26, 12:00 UTC | Apr 26, 20:30 UTC | 8h 30m |
| 2026-04-25 | AFR923 | LBV → CDG | Apr 25, 15:50 UTC | Apr 26, 05:15 UTC | 13h 25m |
| 2026-04-25 | AFR926 | CDG → LBV | Apr 25, 09:10 UTC | Apr 25, 14:25 UTC | 5h 15m |
| 2026-04-24 | AFR343 | YUL → CDG | Apr 24, 21:20 UTC | Apr 25, 03:55 UTC | 6h 35m |
| 2026-04-24 | AFR342T | CDG → YUL | Apr 24, 09:20 UTC | Apr 24, 15:30 UTC | 6h 10m |
| 2026-04-22 | AFR291 | KIX → CDG | Apr 22, 02:45 UTC | Apr 22, 17:15 UTC | 14h 30m |
| 2026-04-21 | AFR292 | CDG → KIX | Apr 21, 12:10 UTC | Apr 21, 23:45 UTC | 11h 35m |
| 2026-04-20 | AFR926 | CDG → LBV | Apr 20, 09:00 UTC | Apr 21, 04:00 UTC | 19h 1m |
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 F-HRBD page for operator, model, and routing details .