sensors Mode-S transponder
040124
ICAO 24-bit transponder address · allocated to Ethiopia
Currently assigned to ET-ATH · BOEING 787-8 Dreamliner
- Hex
- 040124
- Octal
- 01000444
- Decimal
- 262,436
- Country
- ET
- Tail
- ET-ATH
- Type
- B788
- Flights observed
- 82
- Distinct callsigns
- 20
- Country
- ET
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address 040124 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 |
|---|---|---|---|
| ETH714 | Ethiopian Airlines | 12 | 2026-05-12 |
| ETH715 | Ethiopian Airlines | 11 | 2026-05-12 |
| ETH741 | Ethiopian Airlines | 9 | 2026-05-25 |
| ETH740 | Ethiopian Airlines | 7 | 2026-05-25 |
| ETH645 | Ethiopian Airlines | 5 | 2026-04-16 |
| ETH737 | Ethiopian Airlines | 4 | 2026-05-17 |
| ETH736 | Ethiopian Airlines | 4 | 2026-05-17 |
| ETH644 | Ethiopian Airlines | 4 | 2026-04-16 |
| ETH859 | Ethiopian Airlines | 3 | 2026-05-30 |
| ETH925 | Ethiopian Airlines | 2 | 2026-04-29 |
| ETH858 | Ethiopian Airlines | 2 | 2026-05-21 |
| ETH725 | Ethiopian Airlines | 2 | 2026-04-24 |
| ETH724 | Ethiopian Airlines | 2 | 2026-04-24 |
| ETH688 | Ethiopian Airlines | 2 | 2026-05-22 |
| ETH687 | Ethiopian Airlines | 2 | 2026-05-22 |
| ETH923 | Ethiopian Airlines | 1 | 2026-05-02 |
| ETH913 | Ethiopian Airlines | 1 | 2026-05-14 |
| ETH908 | - | 1 | 2026-04-13 |
| ETH907 | Ethiopian Airlines | 1 | 2026-04-13 |
| ETH849 | Ethiopian Airlines | 1 | 2026-05-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | ETH848 | JNB → ADD | May 30, 06:30 UTC | May 30, 06:55 UTC | 25m |
| 2026-05-30 | ETH859 | ADD → JNB | May 30, 01:20 UTC | May 30, 02:00 UTC | 40m |
| 2026-05-25 | ETH741 | MAD → ADD | May 25, 21:45 UTC | May 26, 00:44 UTC | 3h 0m |
| 2026-05-25 | ETH741 | MAD → ADD | May 25, 18:50 UTC | May 25, 19:40 UTC | 49m |
| 2026-05-25 | ETH740 | ADD → MAD | May 25, 07:50 UTC | May 25, 08:50 UTC | 1h 0m |
| 2026-05-25 | ETH740 | ADD → MAD | May 25, 02:15 UTC | May 25, 05:20 UTC | 3h 5m |
| 2026-05-22 | ETH687 | DEL → ADD | May 22, 21:30 UTC | May 23, 10:40 UTC | 13h 9m |
| 2026-05-22 | ETH688 | ADD → DEL | May 22, 06:30 UTC | May 22, 19:25 UTC | 12h 55m |
| 2026-05-21 | ETH859 | ADD → JNB | May 21, 22:15 UTC | May 22, 01:45 UTC | 3h 30m |
| 2026-05-21 | ETH858 | JNB → ADD | May 21, 00:20 UTC | May 21, 22:20 UTC | 22h 0m |
| 2026-05-20 | ETH858 | JNB → ADD | May 20, 20:55 UTC | May 21, 00:20 UTC | 3h 25m |
| 2026-05-20 | ETH849 | ADD → JNB | May 20, 06:30 UTC | May 20, 18:00 UTC | 11h 30m |
| 2026-05-19 | ETH859 | ADD → JNB | May 19, 14:15 UTC | May 20, 01:35 UTC | 11h 20m |
| 2026-05-17 | ETH737 | MXP → ADD | May 17, 21:50 UTC | May 17, 23:55 UTC | 2h 5m |
| 2026-05-17 | ETH737 | MXP → ADD | May 17, 19:01 UTC | May 17, 19:40 UTC | 40m |
| 2026-05-17 | ETH736 | MXP → ZRH | May 17, 05:45 UTC | May 17, 06:20 UTC | 35m |
| 2026-05-17 | ETH736 | MXP → ZRH | May 17, 01:00 UTC | May 17, 04:25 UTC | 3h 25m |
| 2026-05-15 | ETH737 | MXP → ADD | May 15, 21:45 UTC | May 16, 00:00 UTC | 2h 15m |
| 2026-05-15 | ETH737 | MXP → ADD | May 15, 19:10 UTC | May 15, 19:50 UTC | 40m |
| 2026-05-15 | ETH736 | MXP → ZRH | May 15, 05:55 UTC | May 15, 06:30 UTC | 35m |
| 2026-05-14 | ETH736 | MXP → ZRH | May 14, 14:30 UTC | May 15, 04:30 UTC | 14h 0m |
| 2026-05-14 | ETH913 | ADD → ADD | May 14, 10:10 UTC | May 14, 10:31 UTC | 20m |
| 2026-05-12 | ETH715 | ARN → ADD | May 12, 20:15 UTC | May 13, 00:15 UTC | 4h 0m |
| 2026-05-12 | ETH715 | ARN → ADD | May 12, 17:50 UTC | May 12, 18:30 UTC | 40m |
| 2026-05-12 | ETH714 | ADD → ARN | May 12, 06:00 UTC | May 12, 06:40 UTC | 40m |
| 2026-05-11 | ETH714 | ADD → ARN | May 11, 09:15 UTC | May 12, 04:40 UTC | 19h 26m |
| 2026-05-11 | ETH515 | LFW → ADD | May 11, 03:20 UTC | May 12, 03:00 UTC | 23h 41m |
| 2026-05-10 | ETH514 | LFW → JFK | May 10, 17:20 UTC | May 11, 00:34 UTC | 7h 15m |
| 2026-05-07 | ETH741 | MAD → ADD | May 7, 21:40 UTC | May 8, 00:25 UTC | 2h 45m |
| 2026-05-07 | ETH741 | MAD → ADD | May 7, 19:15 UTC | May 7, 20:10 UTC | 55m |
| 2026-05-07 | ETH740 | ADD → MAD | May 7, 05:35 UTC | May 7, 06:25 UTC | 50m |
| 2026-05-07 | ETH740 | ADD → MAD | May 7, 00:30 UTC | May 7, 04:15 UTC | 3h 45m |
| 2026-05-05 | ETH741 | MAD → ADD | May 5, 21:25 UTC | May 6, 00:20 UTC | 2h 55m |
| 2026-05-05 | ETH741 | MAD → ADD | May 5, 19:05 UTC | May 5, 19:55 UTC | 50m |
| 2026-05-05 | ETH740 | ADD → MAD | May 5, 05:55 UTC | May 5, 06:45 UTC | 50m |
| 2026-05-05 | ETH740 | ADD → MAD | May 5, 00:50 UTC | May 5, 04:30 UTC | 3h 40m |
| 2026-05-03 | ETH687 | DEL → ADD | May 3, 21:54 UTC | May 3, 23:50 UTC | 1h 55m |
| 2026-05-03 | ETH688 | ADD → DEL | May 3, 06:40 UTC | May 3, 20:25 UTC | 13h 45m |
| 2026-05-02 | ETH923 | ADD → SSG | May 2, 15:15 UTC | May 3, 01:50 UTC | 10h 35m |
| 2026-05-01 | ETH715 | ARN → ADD | May 1, 20:10 UTC | May 2, 10:50 UTC | 14h 41m |
| 2026-05-01 | ETH715 | ARN → ADD | May 1, 17:55 UTC | May 1, 18:40 UTC | 45m |
| 2026-05-01 | ETH714 | ADD → ARN | May 1, 06:00 UTC | May 1, 06:45 UTC | 45m |
| 2026-05-01 | ETH714 | ADD → ARN | May 1, 00:25 UTC | May 1, 04:35 UTC | 4h 10m |
| 2026-04-29 | ETH308 | ADD → NBO | Apr 29, 22:30 UTC | Apr 29, 22:40 UTC | 10m |
| 2026-04-29 | ETH925 | NSI → ADD | Apr 29, 14:40 UTC | Apr 29, 15:00 UTC | 20m |
| 2026-04-29 | ETH925 | NSI → ADD | Apr 29, 12:50 UTC | Apr 29, 13:25 UTC | 35m |
| 2026-04-26 | ETH715 | ARN → ADD | Apr 26, 20:00 UTC | Apr 26, 23:25 UTC | 3h 25m |
| 2026-04-26 | ETH715 | ARN → ADD | Apr 26, 18:00 UTC | Apr 26, 18:40 UTC | 40m |
| 2026-04-26 | ETH714 | ADD → ARN | Apr 26, 06:05 UTC | Apr 26, 06:55 UTC | 50m |
| 2026-04-26 | ETH714 | ADD → ARN | Apr 26, 00:35 UTC | Apr 26, 04:45 UTC | 4h 10m |
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-ATH page for operator, model, and routing details .