sensors Mode-S transponder
3C4B27
ICAO 24-bit transponder address · allocated to Germany
Currently assigned to D-ABYG · BOEING 747-8
- Hex
- 3C4B27
- Octal
- 17045447
- Decimal
- 3,951,399
- Country
- DE
- Tail
- D-ABYG
- Type
- B748
- Flights observed
- 64
- Distinct callsigns
- 20
- Country
- DE
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address 3C4B27 falls within the block assigned to Germany (DE) by ICAO Annex 10, Volume III. Every aircraft registered in Germany 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 |
|---|---|---|---|
| DLH507 | Lufthansa | 13 | 2026-05-29 |
| DLH506 | Lufthansa | 8 | 2026-05-28 |
| DLH499 | Lufthansa | 5 | 2026-05-16 |
| DLH457 | Lufthansa | 5 | 2026-05-22 |
| DLH456 | Lufthansa | 5 | 2026-05-22 |
| DLH498 | Lufthansa | 4 | 2026-05-15 |
| DLH573 | Lufthansa | 3 | 2026-05-24 |
| DLH572 | Lufthansa | 3 | 2026-05-23 |
| DLH463 | Lufthansa | 2 | 2026-05-05 |
| DLH462 | Lufthansa | 2 | 2026-05-05 |
| DLH431 | Lufthansa | 2 | 2026-05-25 |
| DLH430 | Lufthansa | 2 | 2026-05-25 |
| DLH403 | Lufthansa | 2 | 2026-05-21 |
| DLH402 | Lufthansa | 2 | 2026-05-21 |
| DLH781 | Lufthansa | 1 | 2026-05-03 |
| DLH780 | Lufthansa | 1 | 2026-05-02 |
| DLH755 | Lufthansa | 1 | 2026-05-26 |
| DLH754 | Lufthansa | 1 | 2026-05-26 |
| DLH511 | Lufthansa | 1 | 2026-04-24 |
| DLH510 | Lufthansa | 1 | 2026-04-23 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | DLH507 | GRU → FRA | May 29, 21:35 UTC | May 29, 21:50 UTC | 15m |
| 2026-05-28 | DLH506 | FRA → GRU | May 28, 20:40 UTC | May 29, 07:45 UTC | 11h 5m |
| 2026-05-26 | DLH755 | BLR → FRA | May 26, 22:54 UTC | May 27, 08:10 UTC | 9h 15m |
| 2026-05-26 | DLH754 | FRA → BLR | May 26, 12:00 UTC | May 26, 20:24 UTC | 8h 25m |
| 2026-05-25 | DLH431 | ORD → FRA | May 25, 22:25 UTC | May 26, 05:54 UTC | 7h 30m |
| 2026-05-25 | DLH430 | FRA → ORD | May 25, 09:20 UTC | May 25, 17:55 UTC | 8h 35m |
| 2026-05-24 | DLH573 | JNB → FRA | May 24, 17:20 UTC | May 25, 03:25 UTC | 10h 5m |
| 2026-05-23 | DLH572 | FRA → JNB | May 23, 20:25 UTC | May 24, 06:05 UTC | 9h 40m |
| 2026-05-22 | DLH457 | LAX → FRA | May 22, 22:35 UTC | May 23, 08:50 UTC | 10h 14m |
| 2026-05-22 | DLH456 | FRA → LAX | May 22, 09:20 UTC | May 22, 20:05 UTC | 10h 45m |
| 2026-05-21 | DLH403 | EWR → FRA | May 21, 23:05 UTC | May 22, 05:20 UTC | 6h 15m |
| 2026-05-21 | DLH402 | FRA → EWR | May 21, 12:00 UTC | May 21, 19:50 UTC | 7h 50m |
| 2026-05-21 | DLH403 | EWR → FRA | May 21, 00:55 UTC | May 21, 07:35 UTC | 6h 40m |
| 2026-05-20 | DLH402 | FRA → EWR | May 20, 11:55 UTC | May 20, 19:50 UTC | 7h 55m |
| 2026-05-19 | DLH457 | LAX → FRA | May 19, 22:25 UTC | May 20, 08:05 UTC | 9h 41m |
| 2026-05-19 | DLH456 | FRA → LAX | May 19, 09:15 UTC | May 19, 19:55 UTC | 10h 40m |
| 2026-05-17 | DLH431 | ORD → FRA | May 17, 21:50 UTC | May 18, 05:20 UTC | 7h 30m |
| 2026-05-17 | DLH430 | FRA → ORD | May 17, 09:30 UTC | May 17, 18:01 UTC | 8h 30m |
| 2026-05-16 | DLH499 | MEX → FRA | May 16, 02:55 UTC | May 16, 12:55 UTC | 10h 1m |
| 2026-05-15 | DLH498 | FRA → MEX | May 15, 12:20 UTC | May 15, 23:40 UTC | 11h 19m |
| 2026-05-14 | DLH507 | GRU → FRA | May 14, 21:30 UTC | May 15, 08:05 UTC | 10h 35m |
| 2026-05-13 | DLH506 | FRA → GRU | May 13, 20:40 UTC | May 14, 07:55 UTC | 11h 15m |
| 2026-05-13 | DLH499 | MEX → FRA | May 13, 04:35 UTC | May 13, 13:50 UTC | 9h 15m |
| 2026-05-13 | DLH499 | MEX → FRA | May 13, 03:50 UTC | May 13, 04:00 UTC | 10m |
| 2026-05-12 | DLH498 | FRA → MEX | May 12, 11:50 UTC | May 12, 23:45 UTC | 11h 55m |
| 2026-05-11 | DLH507 | GRU → FRA | May 11, 21:50 UTC | May 12, 08:30 UTC | 10h 40m |
| 2026-05-10 | DLH506 | FRA → GRU | May 10, 21:10 UTC | May 11, 08:45 UTC | 11h 35m |
| 2026-05-10 | DLH499 | MEX → FRA | May 10, 03:00 UTC | May 10, 12:59 UTC | 10h 0m |
| 2026-05-09 | DLH498 | FRA → MEX | May 9, 12:30 UTC | May 10, 00:24 UTC | 11h 55m |
| 2026-05-09 | DLH507 | GRU → FRA | May 9, 05:45 UTC | May 9, 08:25 UTC | 2h 40m |
| 2026-05-08 | DLH507 | GRU → FRA | May 8, 21:50 UTC | May 8, 22:05 UTC | 15m |
| 2026-05-07 | DLH506 | FRA → GRU | May 7, 20:25 UTC | May 8, 07:59 UTC | 11h 35m |
| 2026-05-06 | DLH457 | LAX → FRA | May 6, 22:25 UTC | May 7, 08:45 UTC | 10h 20m |
| 2026-05-06 | DLH456 | FRA → LAX | May 6, 09:50 UTC | May 6, 20:10 UTC | 10h 19m |
| 2026-05-05 | DLH463 | MIA → FRA | May 5, 22:10 UTC | May 6, 06:30 UTC | 8h 20m |
| 2026-05-05 | DLH462 | FRA → MIA | May 5, 09:35 UTC | May 5, 19:00 UTC | 9h 25m |
| 2026-05-03 | DLH781 | SIN → FRA | May 3, 16:55 UTC | May 4, 05:00 UTC | 12h 5m |
| 2026-05-02 | DLH780 | FRA → SIN | May 2, 20:30 UTC | May 3, 08:10 UTC | 11h 39m |
| 2026-05-01 | DLH457 | LAX → FRA | May 1, 22:20 UTC | May 2, 08:45 UTC | 10h 25m |
| 2026-05-01 | DLH456 | FRA → LAX | May 1, 09:15 UTC | May 1, 20:05 UTC | 10h 50m |
| 2026-04-29 | DLH507 | GRU → FRA | Apr 29, 22:00 UTC | Apr 30, 08:45 UTC | 10h 44m |
| 2026-04-28 | DLH506 | FRA → GRU | Apr 28, 20:30 UTC | Apr 29, 08:05 UTC | 11h 35m |
| 2026-04-27 | DLH457 | LAX → FRA | Apr 27, 23:00 UTC | Apr 28, 09:05 UTC | 10h 5m |
| 2026-04-27 | DLH456 | FRA → LAX | Apr 27, 09:45 UTC | Apr 27, 20:40 UTC | 10h 55m |
| 2026-04-26 | DLH573 | JNB → FRA | Apr 26, 17:40 UTC | Apr 27, 03:40 UTC | 10h 0m |
| 2026-04-25 | DLH572 | FRA → JNB | Apr 25, 20:35 UTC | Apr 26, 06:20 UTC | 9h 45m |
| 2026-04-24 | DLH511 | EZE → FRA | Apr 24, 20:00 UTC | Apr 25, 08:50 UTC | 12h 50m |
| 2026-04-23 | DLH510 | FRA → EZE | Apr 23, 20:10 UTC | Apr 24, 09:15 UTC | 13h 5m |
| 2026-04-23 | DLH499 | MEX → FRA | Apr 23, 02:55 UTC | Apr 23, 13:35 UTC | 10h 40m |
| 2026-04-22 | DLH498 | FRA → MEX | Apr 22, 12:00 UTC | Apr 22, 23:10 UTC | 11h 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 D-ABYG page for operator, model, and routing details .