sensors Mode-S transponder
04008C
ICAO 24-bit transponder address · allocated to Ethiopia
Currently assigned to ET-ARJ · BOEING 777-200LR
- Hex
- 04008C
- Octal
- 01000214
- Decimal
- 262,284
- Country
- ET
- Tail
- ET-ARJ
- Type
- B77L
- Flights observed
- 203
- Distinct callsigns
- 20
- Country
- ET
- Last broadcast
- 10h ago
Last known position
Country allocation
The ICAO 24-bit address 04008C falls within the block assigned to Ethiopia (ET) by ICAO Annex 10, Volume III. Every aircraft registered in Ethiopia 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 |
|---|---|---|---|
| ETH3739 | - | 12 | 2026-06-27 |
| ETH3738 | - | 9 | 2026-06-27 |
| ETH3605 | Ethiopian Airlines | 9 | 2026-06-13 |
| ETH3490 | - | 8 | 2026-06-20 |
| ETH3483 | - | 8 | 2026-07-09 |
| ETH3789 | Ethiopian Airlines | 7 | 2026-04-21 |
| ETH3720 | Ethiopian Airlines | 7 | 2026-05-06 |
| ETH3807 | Ethiopian Airlines | 6 | 2026-06-20 |
| ETH3785 | - | 6 | 2026-05-24 |
| ETH3640 | - | 6 | 2026-07-13 |
| ETH3604 | Ethiopian Airlines | 6 | 2026-06-13 |
| ETH3294 | - | 6 | 2026-07-09 |
| ETH3685 | - | 5 | 2026-07-13 |
| ETH3629 | - | 5 | 2026-07-01 |
| ETH3516 | Ethiopian Airlines | 5 | 2026-06-07 |
| ETH3751 | - | 4 | 2026-07-05 |
| ETH3725 | - | 4 | 2026-07-10 |
| ETH3715 | - | 4 | 2026-07-02 |
| ETH3712 | Ethiopian Airlines | 4 | 2026-05-30 |
| ETH3618 | - | 4 | 2026-07-13 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-13 | ETH3685 | - | Jul 13, 13:05 UTC | Jul 14, 08:20 UTC | 19h 15m |
| 2026-07-13 | ETH3685 | - | Jul 13, 12:05 UTC | Jul 14, 08:20 UTC | 20h 15m |
| 2026-07-13 | ETH3685 | - | Jul 13, 10:25 UTC | Jul 13, 10:35 UTC | 10m |
| 2026-07-13 | ETH3618 | - | Jul 13, 05:01 UTC | Jul 13, 08:01 UTC | 3h 0m |
| 2026-07-13 | ETH3640 | - | Jul 13, 02:10 UTC | Jul 13, 02:35 UTC | 25m |
| 2026-07-12 | ETH3640 | - | Jul 12, 17:30 UTC | Jul 12, 22:25 UTC | 4h 55m |
| 2026-07-12 | ETH3640 | - | Jul 12, 11:01 UTC | Jul 12, 12:30 UTC | 1h 30m |
| 2026-07-11 | ETH3702 | - | Jul 11, 14:10 UTC | Jul 12, 08:45 UTC | 18h 35m |
| 2026-07-11 | ETH3702 | - | Jul 11, 11:05 UTC | Jul 12, 08:45 UTC | 21h 40m |
| 2026-07-11 | ETH3702 | - | Jul 11, 09:30 UTC | Jul 12, 08:45 UTC | 23h 15m |
| 2026-07-10 | ETH3750 | - | Jul 10, 19:35 UTC | Jul 10, 21:40 UTC | 2h 5m |
| 2026-07-10 | ETH3725 | - | Jul 10, 14:10 UTC | Jul 10, 16:00 UTC | 1h 50m |
| 2026-07-09 | ETH3483 | - | Jul 9, 17:40 UTC | Jul 10, 11:25 UTC | 17h 45m |
| 2026-07-09 | ETH3294 | - | Jul 9, 02:10 UTC | Jul 9, 05:35 UTC | 3h 25m |
| 2026-07-08 | ETH3773 | - | Jul 8, 07:40 UTC | Jul 8, 22:55 UTC | 15h 15m |
| 2026-07-07 | ETH3294 | - | Jul 7, 14:05 UTC | Jul 7, 17:35 UTC | 3h 30m |
| 2026-07-06 | ETH3483 | - | Jul 6, 19:00 UTC | Jul 7, 09:55 UTC | 14h 55m |
| 2026-07-05 | ETH3568 | - | Jul 5, 17:40 UTC | Jul 6, 12:45 UTC | 19h 5m |
| 2026-07-05 | ETH3568 | - | Jul 5, 15:05 UTC | Jul 6, 12:45 UTC | 21h 40m |
| 2026-07-05 | ETH3751 | - | Jul 5, 14:25 UTC | Jul 6, 11:00 UTC | 20h 35m |
| 2026-07-05 | ETH3656 | - | Jul 5, 04:20 UTC | Jul 5, 18:10 UTC | 13h 50m |
| 2026-07-03 | ETH3611 | - | Jul 3, 15:40 UTC | Jul 3, 16:05 UTC | 25m |
| 2026-07-02 | ETH3610 | - | Jul 2, 22:30 UTC | Jul 3, 11:10 UTC | 12h 40m |
| 2026-07-02 | ETH3715 | - | Jul 2, 10:25 UTC | Jul 2, 20:20 UTC | 9h 55m |
| 2026-07-01 | ETH3629 | - | Jul 1, 14:10 UTC | Jul 2, 07:35 UTC | 17h 25m |
| 2026-07-01 | ETH3629 | - | Jul 1, 12:55 UTC | Jul 1, 13:05 UTC | 10m |
| 2026-07-01 | ETH3618 | - | Jul 1, 07:25 UTC | Jul 1, 10:30 UTC | 3h 5m |
| 2026-07-01 | ETH3640 | - | Jul 1, 05:05 UTC | Jul 1, 05:30 UTC | 25m |
| 2026-06-30 | ETH3640 | - | Jun 30, 20:35 UTC | Jul 1, 01:20 UTC | 4h 45m |
| 2026-06-30 | ETH3721 | - | Jun 30, 15:25 UTC | Jun 30, 18:35 UTC | 3h 10m |
| 2026-06-29 | ETH3872 | - | Jun 29, 01:44 UTC | Jun 29, 02:05 UTC | 20m |
| 2026-06-28 | ETH3711 | - | Jun 28, 13:59 UTC | Jun 29, 00:10 UTC | 10h 10m |
| 2026-06-27 | ETH3739 | - | Jun 27, 13:49 UTC | Jun 28, 08:50 UTC | 19h 0m |
| 2026-06-27 | ETH3738 | - | Jun 27, 09:04 UTC | Jun 28, 08:50 UTC | 23h 45m |
| 2026-06-27 | ETH3738 | - | Jun 27, 08:20 UTC | Jun 28, 03:05 UTC | 18h 45m |
| 2026-06-27 | ETH3704 | - | Jun 27, 03:25 UTC | Jun 27, 05:35 UTC | 2h 10m |
| 2026-06-26 | ETH3623 | - | Jun 26, 00:39 UTC | Jun 26, 01:10 UTC | 30m |
| 2026-06-25 | ETH3559 | MAD → SHJ | Jun 25, 14:29 UTC | Jun 25, 21:59 UTC | 7h 30m |
| 2026-06-24 | ETH3483 | - | Jun 24, 19:04 UTC | Jun 25, 10:55 UTC | 15h 50m |
| 2026-06-24 | ETH3483 | - | Jun 24, 13:05 UTC | Jun 25, 10:55 UTC | 21h 50m |
| 2026-06-24 | ETH3483 | - | Jun 24, 11:59 UTC | Jun 25, 10:55 UTC | 22h 55m |
| 2026-06-24 | ETH3483 | - | Jun 24, 10:10 UTC | Jun 25, 08:55 UTC | 22h 45m |
| 2026-06-22 | ETH3491 | - | Jun 22, 19:54 UTC | Jun 22, 22:40 UTC | 2h 45m |
| 2026-06-20 | ETH3490 | - | Jun 20, 17:49 UTC | Jun 21, 16:59 UTC | 23h 10m |
| 2026-06-20 | ETH3653 | - | Jun 20, 16:19 UTC | Jun 21, 14:59 UTC | 22h 40m |
| 2026-06-20 | ETH3807 | LOS → ADD | Jun 20, 12:04 UTC | Jun 20, 14:29 UTC | 2h 25m |
| 2026-06-20 | ETH3807 | LOS → ADD | Jun 20, 08:25 UTC | Jun 20, 09:49 UTC | 1h 25m |
| 2026-06-19 | ETH3807 | LOS → ADD | Jun 19, 11:54 UTC | Jun 20, 09:49 UTC | 21h 55m |
| 2026-06-19 | ETH3491 | - | Jun 19, 09:24 UTC | Jun 20, 08:59 UTC | 23h 35m |
| 2026-06-18 | ETH3490 | - | Jun 18, 22:40 UTC | Jun 19, 12:25 UTC | 13h 44m |
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 ET-ARJ page for operator, model, and routing details .