sensors Mode-S transponder
406D78
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to G-ZBKB · BOEING 787-9 Dreamliner
- Hex
- 406D78
- Octal
- 20066570
- Decimal
- 4,222,328
- Country
- GB
- Tail
- G-ZBKB
- Type
- B789
- Flights observed
- 94
- Distinct callsigns
- 20
- Country
- GB
- Last broadcast
- 10h ago
Last known position
Country allocation
The ICAO 24-bit address 406D78 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| BAW271 | British Airways | 11 | 2026-04-30 |
| BAW60 | British Airways | 7 | 2026-04-21 |
| BAW270 | British Airways | 7 | 2026-05-01 |
| BAW243 | British Airways | 7 | 2026-05-19 |
| BAW61 | British Airways | 5 | 2026-04-21 |
| BAW242 | British Airways | 5 | 2026-05-20 |
| BAW168 | British Airways | 5 | 2026-05-27 |
| BAW16 | British Airways | 5 | 2026-05-25 |
| BAW169 | British Airways | 4 | 2026-05-26 |
| BAW15 | British Airways | 4 | 2026-05-24 |
| BAW9EW | - | 3 | 2026-04-13 |
| BAW6 | British Airways | 3 | 2026-05-12 |
| BAW5 | British Airways | 3 | 2026-05-11 |
| BAW276 | British Airways | 3 | 2026-05-01 |
| BAW250 | British Airways | 3 | 2026-05-29 |
| BAW138 | British Airways | 3 | 2026-05-06 |
| BAW6NC | British Airways | 2 | 2026-04-12 |
| BAW37J | British Airways | 2 | 2026-05-20 |
| BAW34 | British Airways | 2 | 2026-04-20 |
| BAW33 | British Airways | 2 | 2026-04-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | BAW250 | SCL → LHR | May 29, 19:15 UTC | May 29, 19:25 UTC | 10m |
| 2026-05-28 | BAW251 | LHR → SCL | May 28, 21:40 UTC | May 28, 22:40 UTC | 1h 0m |
| 2026-05-27 | BAW168 | PVG → LHR | May 27, 05:14 UTC | May 27, 18:00 UTC | 12h 45m |
| 2026-05-26 | BAW168 | PVG → LHR | May 26, 18:55 UTC | May 27, 18:00 UTC | 23h 5m |
| 2026-05-26 | BAW168 | PVG → LHR | May 26, 14:05 UTC | May 27, 14:00 UTC | 23h 55m |
| 2026-05-26 | BAW169 | LHR → PVG | May 26, 12:05 UTC | May 27, 09:35 UTC | 21h 31m |
| 2026-05-26 | BAW169 | LHR → PVG | May 26, 11:34 UTC | May 27, 09:35 UTC | 22h 1m |
| 2026-05-25 | BAW16 | SIN → LHR | May 25, 15:15 UTC | May 26, 04:20 UTC | 13h 4m |
| 2026-05-25 | BAW16 | SIN → LHR | May 25, 04:50 UTC | May 25, 05:25 UTC | 35m |
| 2026-05-24 | BAW15 | SIN → SYD | May 24, 19:05 UTC | May 24, 19:40 UTC | 35m |
| 2026-05-23 | BAW15 | SIN → SYD | May 23, 21:20 UTC | May 24, 10:20 UTC | 13h 0m |
| 2026-05-22 | BAW256 | DEL → LHR | May 22, 04:55 UTC | May 22, 13:45 UTC | 8h 50m |
| 2026-05-21 | BAW257 | LHR → DEL | May 21, 18:45 UTC | May 22, 02:35 UTC | 7h 50m |
| 2026-05-21 | BAW18A | JFK → LHR | May 21, 04:35 UTC | May 21, 10:35 UTC | 6h 0m |
| 2026-05-20 | BAW37J | LHR → JFK | May 20, 17:45 UTC | May 21, 01:40 UTC | 7h 55m |
| 2026-05-20 | BAW242 | MEX → LHR | May 20, 04:20 UTC | May 20, 14:20 UTC | 10h 1m |
| 2026-05-19 | BAW243 | LHR → MEX | May 19, 14:50 UTC | May 20, 01:50 UTC | 11h 0m |
| 2026-05-19 | BAW18A | JFK → LHR | May 19, 03:15 UTC | May 19, 09:40 UTC | 6h 25m |
| 2026-05-18 | BAW37J | LHR → JFK | May 18, 17:10 UTC | May 18, 23:50 UTC | 6h 39m |
| 2026-05-17 | BAW250 | SCL → LHR | May 17, 21:20 UTC | May 18, 08:55 UTC | 11h 35m |
| 2026-05-17 | BAW250 | SCL → LHR | May 17, 19:25 UTC | May 17, 19:40 UTC | 15m |
| 2026-05-16 | BAW251 | LHR → SCL | May 16, 21:35 UTC | May 16, 22:35 UTC | 1h 0m |
| 2026-05-16 | BAW168 | PVG → LHR | May 16, 12:55 UTC | May 16, 17:55 UTC | 5h 0m |
| 2026-05-15 | BAW168 | PVG → LHR | May 15, 16:55 UTC | May 16, 16:00 UTC | 23h 6m |
| 2026-05-15 | BAW169 | LHR → PVG | May 15, 14:05 UTC | May 16, 14:01 UTC | 23h 55m |
| 2026-05-15 | BAW169 | LHR → PVG | May 15, 13:05 UTC | May 15, 17:35 UTC | 4h 29m |
| 2026-05-12 | BAW6 | HND → LHR | May 12, 04:35 UTC | May 12, 18:30 UTC | 13h 55m |
| 2026-05-11 | BAW5 | LHR → NRT | May 11, 12:50 UTC | May 11, 17:45 UTC | 4h 55m |
| 2026-05-10 | BAW16 | SIN → LHR | May 10, 18:05 UTC | May 11, 04:35 UTC | 10h 30m |
| 2026-05-10 | BAW16 | SIN → LHR | May 10, 15:15 UTC | May 10, 15:29 UTC | 15m |
| 2026-05-10 | BAW16 | SIN → LHR | May 10, 04:55 UTC | May 10, 05:30 UTC | 35m |
| 2026-05-09 | BAW15 | SIN → SYD | May 9, 13:30 UTC | May 9, 19:35 UTC | 6h 5m |
| 2026-05-08 | BAW15 | LHR → SIN | May 8, 21:30 UTC | May 9, 09:35 UTC | 12h 5m |
| 2026-05-08 | BAW6 | HND → LHR | May 8, 04:25 UTC | May 8, 18:10 UTC | 13h 45m |
| 2026-05-07 | BAW5 | LHR → NRT | May 7, 12:30 UTC | May 8, 01:35 UTC | 13h 5m |
| 2026-05-06 | BAW138 | BOM → LHR | May 6, 12:05 UTC | May 7, 06:40 UTC | 18h 34m |
| 2026-05-06 | BAW138 | BOM → LHR | May 6, 10:05 UTC | May 7, 06:40 UTC | 20h 34m |
| 2026-05-06 | BAW138 | BOM → LHR | May 6, 09:10 UTC | May 7, 06:40 UTC | 21h 29m |
| 2026-05-04 | BAW6 | HND → LHR | May 4, 04:20 UTC | May 4, 18:00 UTC | 13h 40m |
| 2026-05-03 | BAW5 | LHR → NRT | May 3, 12:30 UTC | May 4, 01:50 UTC | 13h 20m |
| 2026-05-03 | BAW98T | YYZ → LHR | May 3, 02:20 UTC | May 3, 08:55 UTC | 6h 34m |
| 2026-05-02 | BAW99 | LHR → YYZ | May 2, 16:40 UTC | May 2, 23:35 UTC | 6h 55m |
| 2026-05-01 | BAW276 | HYD → LHR | May 1, 18:05 UTC | May 2, 12:40 UTC | 18h 35m |
| 2026-05-01 | BAW276 | HYD → LHR | May 1, 16:05 UTC | May 2, 12:40 UTC | 20h 35m |
| 2026-05-01 | BAW276 | HYD → LHR | May 1, 15:25 UTC | May 2, 12:40 UTC | 21h 15m |
| 2026-05-01 | BAW270 | LAS → LHR | May 1, 00:35 UTC | May 1, 10:05 UTC | 9h 30m |
| 2026-04-30 | BAW271 | LHR → LAS | Apr 30, 11:40 UTC | Apr 30, 22:00 UTC | 10h 20m |
| 2026-04-21 | BAW60 | MLE → LHR | Apr 21, 23:25 UTC | Apr 22, 17:35 UTC | 18h 10m |
| 2026-04-21 | BAW60 | MLE → LHR | Apr 21, 20:05 UTC | Apr 22, 17:35 UTC | 21h 30m |
| 2026-04-21 | BAW60 | MLE → LHR | Apr 21, 18:05 UTC | Apr 22, 17:35 UTC | 23h 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 G-ZBKB page for operator, model, and routing details .