sensors Mode-S transponder
04024A
ICAO 24-bit transponder address · allocated to Ethiopia
Currently assigned to ET-BBG · BOEING 777-300ER
- Hex
- 04024A
- Octal
- 01001112
- Decimal
- 262,730
- Country
- ET
- Tail
- ET-BBG
- Type
- B77W
- Flights observed
- 48
- Distinct callsigns
- 13
- Country
- ET
- Last broadcast
- 13h ago
Last known position
Country allocation
The ICAO 24-bit address 04024A 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 13 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| ETH637 | Ethiopian Airlines | 7 | 2026-05-25 |
| ETH602 | Ethiopian Airlines | 6 | 2026-05-13 |
| ETH611 | Ethiopian Airlines | 5 | 2026-05-29 |
| ETH610 | Ethiopian Airlines | 5 | 2026-05-29 |
| ETH640 | Ethiopian Airlines | 4 | 2026-05-29 |
| ETH636 | Ethiopian Airlines | 4 | 2026-05-06 |
| ETH607 | Ethiopian Airlines | 4 | 2026-05-22 |
| ETH606 | Ethiopian Airlines | 4 | 2026-05-22 |
| ETH603 | Ethiopian Airlines | 3 | 2026-04-27 |
| ETH617 | Ethiopian Airlines | 2 | 2026-05-16 |
| ETH318 | Ethiopian Airlines | 2 | 2026-05-05 |
| ETH641 | Ethiopian Airlines | 1 | 2026-05-02 |
| ETH616 | Ethiopian Airlines | 1 | 2026-05-15 |
Recent flights last 48
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | ETH611 | BOM → ADD | May 29, 22:45 UTC | May 29, 23:20 UTC | 35m |
| 2026-05-29 | ETH640 | ADD → BOM | May 29, 05:55 UTC | May 29, 20:05 UTC | 14h 10m |
| 2026-05-29 | ETH610 | ADD → BOM | May 29, 01:45 UTC | May 29, 02:35 UTC | 50m |
| 2026-05-27 | ETH611 | BOM → ADD | May 27, 23:00 UTC | May 27, 23:35 UTC | 35m |
| 2026-05-27 | ETH640 | ADD → BOM | May 27, 05:40 UTC | May 27, 20:45 UTC | 15h 6m |
| 2026-05-27 | ETH610 | ADD → BOM | May 27, 01:44 UTC | May 27, 02:44 UTC | 1h 0m |
| 2026-05-25 | ETH637 | TFU → ADD | May 25, 02:35 UTC | May 25, 23:00 UTC | 20h 25m |
| 2026-05-25 | ETH637 | TFU → ADD | May 25, 02:15 UTC | May 25, 23:00 UTC | 20h 44m |
| 2026-05-22 | ETH607 | CAN → ADD | May 22, 02:50 UTC | May 22, 21:40 UTC | 18h 50m |
| 2026-05-22 | ETH606 | ADD → CAN | May 22, 00:40 UTC | May 22, 21:40 UTC | 21h 0m |
| 2026-05-18 | ETH607 | CAN → ADD | May 18, 18:35 UTC | May 18, 21:50 UTC | 3h 15m |
| 2026-05-18 | ETH606 | ADD → CAN | May 18, 00:50 UTC | May 18, 03:30 UTC | 2h 40m |
| 2026-05-16 | ETH611 | BOM → ADD | May 16, 22:55 UTC | May 16, 23:30 UTC | 35m |
| 2026-05-16 | ETH617 | CAN → ADD | May 16, 03:25 UTC | May 16, 20:25 UTC | 17h 0m |
| 2026-05-16 | ETH617 | CAN → ADD | May 16, 02:00 UTC | May 16, 02:10 UTC | 10m |
| 2026-05-15 | ETH616 | ADD → CAN | May 15, 17:45 UTC | May 15, 20:45 UTC | 3h 0m |
| 2026-05-13 | ETH602 | ADD → DXB | May 13, 11:10 UTC | May 13, 11:40 UTC | 30m |
| 2026-05-10 | ETH607 | CAN → ADD | May 10, 16:44 UTC | May 10, 21:44 UTC | 5h 0m |
| 2026-05-10 | ETH606 | ADD → CAN | May 10, 02:30 UTC | May 10, 03:50 UTC | 1h 20m |
| 2026-05-06 | ETH636 | ADD → TFU | May 6, 03:40 UTC | May 6, 21:15 UTC | 17h 34m |
| 2026-05-05 | ETH318 | ADD → NBO | May 5, 09:25 UTC | May 5, 09:35 UTC | 10m |
| 2026-05-04 | ETH637 | TFU → ADD | May 4, 04:34 UTC | May 4, 23:10 UTC | 18h 36m |
| 2026-05-04 | ETH637 | TFU → ADD | May 4, 02:39 UTC | May 4, 23:10 UTC | 20h 31m |
| 2026-05-03 | ETH636 | ADD → TFU | May 3, 13:35 UTC | May 4, 05:25 UTC | 15h 50m |
| 2026-05-02 | ETH611 | BOM → ADD | May 2, 23:05 UTC | May 3, 11:35 UTC | 12h 29m |
| 2026-05-02 | ETH641 | BOM → ADD | May 2, 06:15 UTC | May 2, 20:10 UTC | 13h 55m |
| 2026-05-01 | ETH610 | ADD → BOM | May 1, 13:45 UTC | May 2, 02:45 UTC | 13h 0m |
| 2026-04-30 | ETH602 | ADD → DXB | Apr 30, 22:55 UTC | May 1, 11:30 UTC | 12h 35m |
| 2026-04-30 | ETH640 | ADD → BOM | Apr 30, 06:20 UTC | Apr 30, 20:10 UTC | 13h 50m |
| 2026-04-29 | ETH610 | ADD → BOM | Apr 29, 13:30 UTC | Apr 30, 02:40 UTC | 13h 9m |
| 2026-04-29 | ETH602 | ADD → DXB | Apr 29, 11:00 UTC | Apr 29, 11:25 UTC | 25m |
| 2026-04-27 | ETH603 | DXB → ADD | Apr 27, 13:25 UTC | Apr 27, 13:45 UTC | 20m |
| 2026-04-26 | ETH637 | TFU → ADD | Apr 26, 20:10 UTC | Apr 27, 11:30 UTC | 15h 20m |
| 2026-04-26 | ETH636 | ADD → TFU | Apr 26, 04:35 UTC | Apr 26, 21:25 UTC | 16h 50m |
| 2026-04-24 | ETH611 | BOM → ADD | Apr 24, 22:50 UTC | Apr 24, 23:20 UTC | 30m |
| 2026-04-24 | ETH640 | ADD → BOM | Apr 24, 06:00 UTC | Apr 24, 20:10 UTC | 14h 10m |
| 2026-04-23 | ETH610 | ADD → BOM | Apr 23, 13:35 UTC | Apr 24, 02:45 UTC | 13h 9m |
| 2026-04-22 | ETH607 | CAN → ADD | Apr 22, 17:15 UTC | Apr 23, 11:15 UTC | 18h 0m |
| 2026-04-22 | ETH606 | ADD → CAN | Apr 22, 01:00 UTC | Apr 22, 04:05 UTC | 3h 5m |
| 2026-04-21 | ETH318 | ADD → NBO | Apr 21, 09:35 UTC | Apr 21, 09:50 UTC | 15m |
| 2026-04-20 | ETH637 | TFU → ADD | Apr 20, 03:30 UTC | Apr 20, 21:30 UTC | 18h 0m |
| 2026-04-19 | ETH636 | ADD → TFU | Apr 19, 13:25 UTC | Apr 20, 04:30 UTC | 15h 5m |
| 2026-04-19 | ETH602 | ADD → DXB | Apr 19, 11:10 UTC | Apr 19, 11:40 UTC | 30m |
| 2026-04-15 | ETH603 | - | Apr 15, 13:30 UTC | Apr 15, 13:50 UTC | 20m |
| 2026-04-15 | ETH602 | ADD → DXB | Apr 15, 11:00 UTC | Apr 15, 11:25 UTC | 25m |
| 2026-04-13 | ETH603 | - | Apr 13, 13:35 UTC | Apr 13, 13:50 UTC | 15m |
| 2026-04-13 | ETH602 | - | Apr 13, 10:50 UTC | Apr 13, 11:25 UTC | 35m |
| 2026-04-12 | ETH637 | TFU → ADD | Apr 12, 19:45 UTC | Apr 12, 20:15 UTC | 30m |
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-BBG page for operator, model, and routing details .