sensors Mode-S transponder
406D1A
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to G-XLEJ · AIRBUS A-380-800
- Hex
- 406D1A
- Octal
- 20066432
- Decimal
- 4,222,234
- Country
- GB
- Tail
- G-XLEJ
- Type
- A388
- Flights observed
- 69
- Distinct callsigns
- 15
- Country
- GB
- Last broadcast
- 12d ago
Last known position
Country allocation
The ICAO 24-bit address 406D1A falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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 15 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| BAW212 | British Airways | 9 | 2026-05-09 |
| BAW6R | British Airways | 7 | 2026-05-10 |
| BAW5L | British Airways | 7 | 2026-04-26 |
| BAW54 | British Airways | 7 | 2026-05-08 |
| BAW2X | British Airways | 7 | 2026-04-27 |
| BAW213 | British Airways | 7 | 2026-05-09 |
| BAW55G | British Airways | 6 | 2026-05-07 |
| BAW3G | British Airways | 6 | 2026-05-10 |
| BAW7D | British Airways | 4 | 2026-05-11 |
| BAW4E | British Airways | 4 | 2026-05-12 |
| BAW9170 | British Airways | 1 | 2026-05-17 |
| BAW5E | British Airways | 1 | 2026-05-06 |
| BAW57K | British Airways | 1 | 2026-04-20 |
| BAW56 | British Airways | 1 | 2026-04-21 |
| BAW34N | British Airways | 1 | 2026-05-07 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-17 | BAW9170 | CWL → LHR | May 17, 07:20 UTC | May 17, 21:35 UTC | 14h 15m |
| 2026-05-12 | BAW4E | LAX → LHR | May 12, 04:15 UTC | May 12, 14:00 UTC | 9h 45m |
| 2026-05-11 | BAW7D | EWR → LHR | May 11, 14:55 UTC | May 11, 22:35 UTC | 7h 40m |
| 2026-05-10 | BAW6R | MIA → LHR | May 10, 21:35 UTC | May 11, 05:40 UTC | 8h 5m |
| 2026-05-10 | BAW3G | LHR → BOS | May 10, 09:35 UTC | May 10, 18:29 UTC | 8h 55m |
| 2026-05-09 | BAW212 | BOS → LHR | May 9, 23:55 UTC | May 10, 06:04 UTC | 6h 10m |
| 2026-05-09 | BAW213 | LHR → BOS | May 9, 13:50 UTC | May 9, 20:30 UTC | 6h 40m |
| 2026-05-08 | BAW54 | JNB → LHR | May 8, 19:30 UTC | May 9, 06:20 UTC | 10h 50m |
| 2026-05-07 | BAW55G | LHR → JNB | May 7, 18:20 UTC | May 8, 04:34 UTC | 10h 15m |
| 2026-05-07 | BAW34N | MIA → LHR | May 7, 03:05 UTC | May 7, 11:15 UTC | 8h 10m |
| 2026-05-06 | BAW5E | LHR → MIA | May 6, 15:15 UTC | May 7, 00:30 UTC | 9h 14m |
| 2026-05-05 | BAW54 | JNB → LHR | May 5, 19:40 UTC | May 6, 06:35 UTC | 10h 55m |
| 2026-05-04 | BAW55G | LHR → JNB | May 4, 18:40 UTC | May 5, 04:50 UTC | 10h 10m |
| 2026-05-03 | BAW6R | MIA → LHR | May 3, 22:20 UTC | May 4, 05:55 UTC | 7h 35m |
| 2026-05-03 | BAW3G | LHR → BOS | May 3, 09:25 UTC | May 3, 18:45 UTC | 9h 20m |
| 2026-05-02 | BAW212 | BOS → LHR | May 2, 23:45 UTC | May 3, 05:50 UTC | 6h 4m |
| 2026-05-02 | BAW213 | LHR → BOS | May 2, 14:10 UTC | May 2, 20:40 UTC | 6h 30m |
| 2026-05-02 | BAW212 | BOS → LHR | May 2, 00:10 UTC | May 2, 06:15 UTC | 6h 5m |
| 2026-05-01 | BAW213 | LHR → BOS | May 1, 15:05 UTC | May 1, 21:30 UTC | 6h 25m |
| 2026-04-30 | BAW54 | JNB → LHR | Apr 30, 19:45 UTC | May 1, 06:15 UTC | 10h 30m |
| 2026-04-29 | BAW55G | LHR → JNB | Apr 29, 18:30 UTC | Apr 30, 04:45 UTC | 10h 14m |
| 2026-04-29 | BAW4E | LAX → LHR | Apr 29, 04:15 UTC | Apr 29, 14:15 UTC | 10h 1m |
| 2026-04-28 | BAW7D | EWR → LHR | Apr 28, 15:00 UTC | Apr 29, 01:35 UTC | 10h 35m |
| 2026-04-28 | BAW212 | BOS → LHR | Apr 28, 00:00 UTC | Apr 28, 06:20 UTC | 6h 20m |
| 2026-04-27 | BAW213 | LHR → BOS | Apr 27, 13:55 UTC | Apr 27, 20:25 UTC | 6h 30m |
| 2026-04-27 | BAW2X | SFO → LHR | Apr 27, 00:10 UTC | Apr 27, 09:55 UTC | 9h 45m |
| 2026-04-26 | BAW5L | LHR → SFO | Apr 26, 10:15 UTC | Apr 26, 20:40 UTC | 10h 25m |
| 2026-04-25 | BAW54 | JNB → LHR | Apr 25, 20:00 UTC | Apr 26, 06:15 UTC | 10h 15m |
| 2026-04-24 | BAW55G | LHR → JNB | Apr 24, 18:25 UTC | Apr 25, 04:40 UTC | 10h 15m |
| 2026-04-24 | BAW4E | LAX → LHR | Apr 24, 04:10 UTC | Apr 24, 14:00 UTC | 9h 50m |
| 2026-04-23 | BAW7D | EWR → LHR | Apr 23, 14:40 UTC | Apr 24, 01:10 UTC | 10h 29m |
| 2026-04-23 | BAW6R | MIA → LHR | Apr 23, 04:25 UTC | Apr 23, 05:30 UTC | 1h 5m |
| 2026-04-22 | BAW6R | MIA → LHR | Apr 22, 21:25 UTC | Apr 22, 21:40 UTC | 15m |
| 2026-04-22 | BAW3G | LHR → BOS | Apr 22, 09:35 UTC | Apr 22, 18:20 UTC | 8h 45m |
| 2026-04-21 | BAW56 | JNB → LHR | Apr 21, 17:55 UTC | Apr 22, 05:01 UTC | 11h 5m |
| 2026-04-20 | BAW57K | LHR → JNB | Apr 20, 20:40 UTC | Apr 21, 07:05 UTC | 10h 25m |
| 2026-04-20 | BAW4E | LAX → LHR | Apr 20, 04:20 UTC | Apr 20, 14:20 UTC | 10h 0m |
| 2026-04-19 | BAW7D | EWR → LHR | Apr 19, 14:45 UTC | Apr 20, 01:25 UTC | 10h 40m |
| 2026-04-18 | BAW212 | BOS → LHR | Apr 18, 23:50 UTC | Apr 19, 06:00 UTC | 6h 10m |
| 2026-04-18 | BAW213 | LHR → BOS | Apr 18, 14:00 UTC | Apr 18, 20:25 UTC | 6h 25m |
| 2026-04-18 | BAW212 | BOS → LHR | Apr 18, 05:25 UTC | Apr 18, 05:50 UTC | 25m |
| 2026-04-18 | BAW212 | BOS → LHR | Apr 18, 04:45 UTC | Apr 18, 05:50 UTC | 1h 5m |
| 2026-04-18 | BAW212 | BOS → LHR | Apr 18, 04:30 UTC | Apr 18, 05:20 UTC | 50m |
| 2026-04-18 | BAW212 | BOS → LHR | Apr 18, 00:00 UTC | Apr 18, 01:10 UTC | 1h 10m |
| 2026-04-17 | BAW213 | LHR → BOS | Apr 17, 19:25 UTC | Apr 17, 20:55 UTC | 1h 30m |
| 2026-04-17 | BAW213 | LHR → BOS | Apr 17, 14:00 UTC | Apr 17, 15:15 UTC | 1h 15m |
| 2026-04-17 | BAW2X | SFO → LHR | Apr 17, 09:20 UTC | Apr 17, 09:45 UTC | 25m |
| 2026-04-17 | BAW2X | SFO → LHR | Apr 17, 08:10 UTC | Apr 17, 09:15 UTC | 1h 5m |
| 2026-04-17 | BAW2X | SFO → LHR | Apr 17, 01:20 UTC | Apr 17, 03:05 UTC | 1h 45m |
| 2026-04-17 | BAW2X | SFO → LHR | Apr 17, 00:00 UTC | Apr 17, 01:15 UTC | 1h 15m |
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 G-XLEJ page for operator, model, and routing details .