sensors Mode-S transponder
040128
ICAO 24-bit transponder address · allocated to Ethiopia
Currently assigned to ET-ATL · BOEING 787-8 Dreamliner
- Hex
- 040128
- Octal
- 01000450
- Decimal
- 262,440
- Country
- ET
- Tail
- ET-ATL
- Type
- B788
- Flights observed
- 85
- Distinct callsigns
- 20
- Country
- ET
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address 040128 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 |
|---|---|---|---|
| ETH715 | - | 10 | 2026-06-17 |
| ETH714 | - | 8 | 2026-06-17 |
| ETH730 | Ethiopian Airlines | 5 | 2026-06-11 |
| ETH719 | Ethiopian Airlines | 5 | 2026-05-31 |
| ETH737 | Ethiopian Airlines | 4 | 2026-06-15 |
| ETH736 | - | 4 | 2026-06-15 |
| ETH731 | Ethiopian Airlines | 4 | 2026-06-11 |
| ETH729 | Ethiopian Airlines | 4 | 2026-06-07 |
| ETH728 | Ethiopian Airlines | 4 | 2026-06-07 |
| ETH727 | Ethiopian Airlines | 4 | 2026-06-13 |
| ETH726 | - | 4 | 2026-06-13 |
| ETH609 | - | 4 | 2026-06-19 |
| ETH718 | Ethiopian Airlines | 3 | 2026-05-26 |
| ETH681 | - | 3 | 2026-05-27 |
| ETH741 | Ethiopian Airlines | 2 | 2026-05-14 |
| ETH740 | Ethiopian Airlines | 2 | 2026-05-14 |
| ETH689 | Ethiopian Airlines | 2 | 2026-06-01 |
| ETH687 | Ethiopian Airlines | 2 | 2026-06-01 |
| ETH608 | - | 2 | 2026-06-19 |
| ETH942 | - | 1 | 2026-06-21 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-21 | ETH942 | - | Jun 21, 13:50 UTC | Jun 21, 13:59 UTC | 10m |
| 2026-06-19 | ETH609 | - | Jun 19, 21:44 UTC | Jun 19, 22:04 UTC | 20m |
| 2026-06-19 | ETH609 | - | Jun 19, 19:14 UTC | Jun 19, 19:25 UTC | 10m |
| 2026-06-19 | ETH609 | - | Jun 19, 17:09 UTC | Jun 19, 17:34 UTC | 25m |
| 2026-06-19 | ETH609 | - | Jun 19, 16:09 UTC | Jun 19, 16:25 UTC | 15m |
| 2026-06-19 | ETH608 | - | Jun 19, 06:59 UTC | Jun 19, 08:40 UTC | 1h 40m |
| 2026-06-19 | ETH608 | - | Jun 19, 00:49 UTC | Jun 19, 05:19 UTC | 4h 30m |
| 2026-06-17 | ETH715 | - | Jun 17, 21:10 UTC | Jun 18, 00:20 UTC | 3h 10m |
| 2026-06-17 | ETH715 | - | Jun 17, 19:10 UTC | Jun 17, 19:50 UTC | 40m |
| 2026-06-17 | ETH714 | - | Jun 17, 05:55 UTC | Jun 17, 06:40 UTC | 45m |
| 2026-06-17 | ETH714 | - | Jun 17, 00:05 UTC | Jun 17, 04:05 UTC | 4h 0m |
| 2026-06-15 | ETH737 | MXP → ADD | Jun 15, 21:50 UTC | Jun 16, 00:55 UTC | 3h 5m |
| 2026-06-15 | ETH737 | MXP → ADD | Jun 15, 19:05 UTC | Jun 15, 19:39 UTC | 35m |
| 2026-06-15 | ETH736 | MXP → ZRH | Jun 15, 05:15 UTC | Jun 15, 05:45 UTC | 30m |
| 2026-06-14 | ETH736 | - | Jun 14, 14:00 UTC | Jun 15, 03:55 UTC | 13h 54m |
| 2026-06-13 | ETH727 | FCO → ADD | Jun 13, 21:05 UTC | Jun 14, 14:00 UTC | 16h 55m |
| 2026-06-13 | ETH727 | FCO → ADD | Jun 13, 17:50 UTC | Jun 13, 19:20 UTC | 1h 30m |
| 2026-06-13 | ETH726 | - | Jun 13, 05:30 UTC | Jun 13, 07:15 UTC | 1h 45m |
| 2026-06-13 | ETH726 | - | Jun 13, 01:20 UTC | Jun 13, 04:00 UTC | 2h 39m |
| 2026-06-11 | ETH731 | DUB → ADD | Jun 11, 20:20 UTC | Jun 11, 23:20 UTC | 3h 0m |
| 2026-06-11 | ETH731 | DUB → ADD | Jun 11, 17:55 UTC | Jun 11, 18:55 UTC | 1h 0m |
| 2026-06-11 | ETH730 | VIE → BRU | Jun 11, 05:25 UTC | Jun 11, 06:10 UTC | 45m |
| 2026-06-11 | ETH730 | VIE → BRU | Jun 11, 01:05 UTC | Jun 11, 03:50 UTC | 2h 45m |
| 2026-06-09 | ETH727 | FCO → ADD | Jun 9, 21:05 UTC | Jun 9, 23:30 UTC | 2h 25m |
| 2026-06-09 | ETH727 | FCO → ADD | Jun 9, 18:50 UTC | Jun 9, 19:55 UTC | 1h 5m |
| 2026-06-09 | ETH726 | MRS → MAN | Jun 9, 05:35 UTC | Jun 9, 07:15 UTC | 1h 40m |
| 2026-06-09 | ETH726 | MRS → MAN | Jun 9, 00:55 UTC | Jun 9, 03:50 UTC | 2h 55m |
| 2026-06-07 | ETH729 | MAN → BRU | Jun 7, 20:35 UTC | Jun 7, 23:10 UTC | 2h 35m |
| 2026-06-07 | ETH729 | MAN → BRU | Jun 7, 17:55 UTC | Jun 7, 19:20 UTC | 1h 25m |
| 2026-06-07 | ETH728 | GVA → MAN | Jun 7, 06:10 UTC | Jun 7, 07:40 UTC | 1h 30m |
| 2026-06-07 | ETH728 | GVA → MAN | Jun 7, 01:45 UTC | Jun 7, 04:35 UTC | 2h 50m |
| 2026-06-05 | ETH729 | MAN → BRU | Jun 5, 20:45 UTC | Jun 5, 23:05 UTC | 2h 20m |
| 2026-06-05 | ETH729 | MAN → BRU | Jun 5, 18:05 UTC | Jun 5, 19:35 UTC | 1h 30m |
| 2026-06-05 | ETH728 | GVA → MAN | Jun 5, 05:35 UTC | Jun 5, 07:05 UTC | 1h 30m |
| 2026-06-04 | ETH728 | GVA → MAN | Jun 4, 16:45 UTC | Jun 5, 04:20 UTC | 11h 35m |
| 2026-06-03 | ETH715 | ARN → ADD | Jun 3, 22:05 UTC | Jun 4, 16:45 UTC | 18h 40m |
| 2026-06-03 | ETH715 | ARN → ADD | Jun 3, 20:15 UTC | Jun 4, 16:45 UTC | 20h 30m |
| 2026-06-03 | ETH715 | ARN → ADD | Jun 3, 17:55 UTC | Jun 3, 18:40 UTC | 45m |
| 2026-06-03 | ETH714 | ADD → ARN | Jun 3, 05:50 UTC | Jun 3, 06:35 UTC | 45m |
| 2026-06-02 | ETH714 | ADD → ARN | Jun 2, 23:50 UTC | Jun 3, 04:15 UTC | 4h 25m |
| 2026-06-01 | ETH687 | DEL → ADD | Jun 1, 21:25 UTC | Jun 1, 22:00 UTC | 35m |
| 2026-06-01 | ETH689 | DEL → ADD | Jun 1, 04:40 UTC | Jun 1, 19:20 UTC | 14h 40m |
| 2026-05-31 | ETH719 | LGW → ADD | May 31, 11:30 UTC | Jun 1, 02:55 UTC | 15h 25m |
| 2026-05-30 | ETH923 | ADD → SSG | May 30, 13:55 UTC | May 31, 00:55 UTC | 11h 0m |
| 2026-05-29 | ETH715 | ARN → ADD | May 29, 20:15 UTC | May 30, 10:45 UTC | 14h 30m |
| 2026-05-29 | ETH715 | ARN → ADD | May 29, 18:05 UTC | May 29, 18:45 UTC | 40m |
| 2026-05-29 | ETH714 | ADD → ARN | May 29, 06:30 UTC | May 29, 07:25 UTC | 55m |
| 2026-05-28 | ETH714 | ADD → ARN | May 28, 16:55 UTC | May 29, 04:50 UTC | 11h 55m |
| 2026-05-27 | ETH681 | - | May 27, 08:35 UTC | May 27, 11:30 UTC | 2h 55m |
| 2026-05-26 | ETH719 | LGW → ADD | May 26, 09:35 UTC | May 27, 03:29 UTC | 17h 55m |
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-ATL page for operator, model, and routing details .