sensors Mode-S transponder
040202
ICAO 24-bit transponder address · allocated to Ethiopia
Currently assigned to ET-AYL · BOEING 737-800
- Hex
- 040202
- Octal
- 01001002
- Decimal
- 262,658
- Country
- ET
- Tail
- ET-AYL
- Type
- B738
- Flights observed
- 53
- Distinct callsigns
- 20
- Country
- ET
- Last broadcast
- 17h ago
Last known position
Country allocation
The ICAO 24-bit address 040202 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 |
|---|---|---|---|
| ETH3631 | Ethiopian Airlines | 7 | 2026-06-04 |
| ETH3432 | - | 7 | 2026-06-05 |
| ETH3904 | - | 5 | 2026-05-17 |
| ETH3632 | Ethiopian Airlines | 5 | 2026-06-04 |
| ETH3917 | - | 4 | 2026-05-09 |
| ETH3433 | Ethiopian Airlines | 3 | 2026-06-06 |
| ETH3922 | - | 2 | 2026-06-02 |
| ETH3909 | Ethiopian Airlines | 2 | 2026-05-18 |
| ETH3905 | - | 2 | 2026-05-17 |
| ETH3613 | Ethiopian Airlines | 2 | 2026-04-28 |
| ETH3612 | Ethiopian Airlines | 2 | 2026-04-28 |
| ETH3923 | - | 1 | 2026-06-01 |
| ETH3921 | Ethiopian Airlines | 1 | 2026-05-27 |
| ETH3914 | - | 1 | 2026-04-15 |
| ETH3913 | Ethiopian Airlines | 1 | 2026-04-24 |
| ETH3695 | - | 1 | 2026-04-30 |
| ETH3693 | - | 1 | 2026-05-05 |
| ETH3692 | - | 1 | 2026-05-05 |
| ETH3645 | - | 1 | 2026-05-25 |
| ETH3611 | Ethiopian Airlines | 1 | 2026-04-23 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-06 | ETH3433 | BLR → ADD | Jun 6, 18:00 UTC | Jun 6, 18:25 UTC | 25m |
| 2026-06-05 | ETH3432 | - | Jun 5, 23:45 UTC | Jun 6, 16:24 UTC | 16h 40m |
| 2026-06-04 | ETH3632 | ADD → SHJ | Jun 4, 21:15 UTC | Jun 4, 21:50 UTC | 35m |
| 2026-06-04 | ETH3631 | ADD → BOM | Jun 4, 18:40 UTC | Jun 4, 19:35 UTC | 55m |
| 2026-06-02 | ETH3922 | - | Jun 2, 00:10 UTC | Jun 2, 00:30 UTC | 20m |
| 2026-06-01 | ETH3923 | - | Jun 1, 22:20 UTC | Jun 1, 22:35 UTC | 15m |
| 2026-05-29 | ETH3433 | BLR → ADD | May 29, 22:25 UTC | May 29, 22:40 UTC | 15m |
| 2026-05-29 | ETH3432 | - | May 29, 20:20 UTC | May 29, 20:45 UTC | 25m |
| 2026-05-28 | ETH3922 | - | May 28, 01:55 UTC | May 28, 02:25 UTC | 30m |
| 2026-05-27 | ETH3921 | ADD → ACC | May 27, 23:55 UTC | May 28, 00:20 UTC | 25m |
| 2026-05-26 | ETH3632 | ADD → SHJ | May 26, 17:35 UTC | May 26, 18:10 UTC | 35m |
| 2026-05-26 | ETH3631 | ADD → BOM | May 26, 12:00 UTC | May 26, 15:35 UTC | 3h 35m |
| 2026-05-25 | ETH3645 | - | May 25, 03:15 UTC | May 25, 04:00 UTC | 45m |
| 2026-05-23 | ETH3632 | ADD → SHJ | May 23, 16:10 UTC | May 23, 16:45 UTC | 35m |
| 2026-05-23 | ETH3631 | ADD → BOM | May 23, 00:05 UTC | May 23, 14:25 UTC | 14h 19m |
| 2026-05-22 | ETH3432 | - | May 22, 06:10 UTC | May 22, 22:15 UTC | 16h 5m |
| 2026-05-22 | ETH3631 | ADD → BOM | May 22, 03:25 UTC | May 22, 04:15 UTC | 50m |
| 2026-05-19 | ETH3632 | ADD → SHJ | May 19, 15:15 UTC | May 20, 05:15 UTC | 14h 1m |
| 2026-05-19 | ETH3631 | ADD → BOM | May 19, 09:40 UTC | May 19, 13:10 UTC | 3h 30m |
| 2026-05-18 | ETH3631 | ADD → BOM | May 18, 16:45 UTC | May 19, 13:10 UTC | 20h 24m |
| 2026-05-18 | ETH3909 | ADD → BKO | May 18, 14:10 UTC | May 18, 14:50 UTC | 40m |
| 2026-05-17 | ETH3909 | ADD → BKO | May 17, 19:45 UTC | May 18, 14:50 UTC | 19h 5m |
| 2026-05-17 | ETH3432 | - | May 17, 16:50 UTC | May 17, 17:15 UTC | 25m |
| 2026-05-17 | ETH3904 | - | May 17, 05:20 UTC | May 17, 05:55 UTC | 35m |
| 2026-05-17 | ETH3905 | - | May 17, 02:30 UTC | May 17, 02:55 UTC | 25m |
| 2026-05-15 | ETH3433 | BLR → ADD | May 15, 23:00 UTC | May 15, 23:20 UTC | 20m |
| 2026-05-15 | ETH3432 | - | May 15, 20:00 UTC | May 15, 20:25 UTC | 25m |
| 2026-05-10 | ETH3904 | - | May 10, 22:45 UTC | May 10, 23:00 UTC | 15m |
| 2026-05-09 | ETH3917 | - | May 9, 16:10 UTC | May 9, 22:10 UTC | 6h 0m |
| 2026-05-08 | ETH3904 | - | May 8, 05:14 UTC | May 8, 05:44 UTC | 30m |
| 2026-05-08 | ETH3905 | - | May 8, 03:14 UTC | May 8, 03:39 UTC | 25m |
| 2026-05-05 | ETH3693 | - | May 5, 23:50 UTC | May 6, 00:25 UTC | 35m |
| 2026-05-05 | ETH3692 | - | May 5, 20:01 UTC | May 5, 20:35 UTC | 35m |
| 2026-05-03 | ETH3904 | - | May 3, 00:55 UTC | May 3, 01:20 UTC | 25m |
| 2026-05-02 | ETH3632 | ADD → SHJ | May 2, 12:10 UTC | May 2, 23:15 UTC | 11h 5m |
| 2026-05-01 | ETH3631 | ADD → BOM | May 1, 22:05 UTC | May 2, 10:25 UTC | 12h 20m |
| 2026-05-01 | ETH3432 | - | May 1, 20:00 UTC | May 1, 20:20 UTC | 20m |
| 2026-04-30 | ETH3432 | - | Apr 30, 22:40 UTC | May 1, 20:20 UTC | 21h 40m |
| 2026-04-30 | ETH3695 | - | Apr 30, 22:10 UTC | May 1, 20:20 UTC | 22h 10m |
| 2026-04-30 | ETH3415 | TLV → ADD | Apr 30, 08:50 UTC | Apr 30, 22:45 UTC | 13h 55m |
| 2026-04-30 | ETH3414 | ADD → TLV | Apr 30, 06:35 UTC | Apr 30, 06:50 UTC | 15m |
| 2026-04-29 | ETH3904 | - | Apr 29, 20:25 UTC | Apr 29, 20:50 UTC | 25m |
| 2026-04-28 | ETH3613 | DXB → ADD | Apr 28, 12:25 UTC | Apr 28, 12:50 UTC | 25m |
| 2026-04-28 | ETH3612 | ADD → DXB | Apr 28, 10:00 UTC | Apr 28, 10:35 UTC | 35m |
| 2026-04-24 | ETH3917 | - | Apr 24, 20:05 UTC | Apr 25, 04:05 UTC | 8h 0m |
| 2026-04-24 | ETH3917 | - | Apr 24, 02:35 UTC | Apr 24, 20:40 UTC | 18h 5m |
| 2026-04-24 | ETH3917 | - | Apr 24, 02:20 UTC | Apr 24, 20:40 UTC | 18h 20m |
| 2026-04-24 | ETH3913 | ADD → LOS | Apr 24, 00:20 UTC | Apr 24, 00:45 UTC | 25m |
| 2026-04-23 | ETH3611 | BOM → ADD | Apr 23, 03:55 UTC | Apr 24, 00:45 UTC | 20h 50m |
| 2026-04-23 | ETH3610 | ADD → BOM | Apr 23, 01:00 UTC | Apr 23, 01:45 UTC | 45m |
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-AYL page for operator, model, and routing details .