sensors Mode-S transponder
406F74
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to G-ZBKH · BOEING 787-9 Dreamliner
- Hex
- 406F74
- Octal
- 20067564
- Decimal
- 4,222,836
- Country
- GB
- Tail
- G-ZBKH
- Type
- B789
- Flights observed
- 99
- Distinct callsigns
- 20
- Country
- GB
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 406F74 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 |
|---|---|---|---|
| BAW16 | British Airways | 15 | 2026-05-28 |
| BAW15 | British Airways | 14 | 2026-05-27 |
| BAW168 | British Airways | 12 | 2026-05-26 |
| BAW169 | British Airways | 10 | 2026-05-25 |
| BAW6 | British Airways | 7 | 2026-05-02 |
| BAW5 | British Airways | 6 | 2026-05-01 |
| BAW36 | British Airways | 4 | 2026-04-18 |
| BAW33 | British Airways | 4 | 2026-05-24 |
| BAW35 | British Airways | 3 | 2026-04-17 |
| BAW34 | British Airways | 3 | 2026-05-24 |
| BAW243 | British Airways | 3 | 2026-05-22 |
| BAW242 | British Airways | 3 | 2026-05-23 |
| BAW271 | British Airways | 2 | 2026-05-21 |
| BAW270 | British Airways | 2 | 2026-05-22 |
| BAW250 | British Airways | 2 | 2026-05-11 |
| BAW9ZY | British Airways | 1 | 2026-05-20 |
| BAW81V | British Airways | 1 | 2026-04-19 |
| BAW5WB | British Airways | 1 | 2026-05-29 |
| BAW5CA | British Airways | 1 | 2026-05-21 |
| BAW4EA | British Airways | 1 | 2026-05-29 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | BAW4EA | SEA → LHR | May 29, 20:55 UTC | May 30, 05:50 UTC | 8h 55m |
| 2026-05-29 | BAW5WB | LHR → SEA | May 29, 09:20 UTC | May 29, 18:25 UTC | 9h 6m |
| 2026-05-28 | BAW16 | SIN → LHR | May 28, 15:10 UTC | May 29, 04:40 UTC | 13h 30m |
| 2026-05-28 | BAW16 | SIN → LHR | May 28, 04:50 UTC | May 28, 05:25 UTC | 35m |
| 2026-05-27 | BAW15 | SIN → SYD | May 27, 12:35 UTC | May 27, 19:30 UTC | 6h 55m |
| 2026-05-26 | BAW15 | SIN → SYD | May 26, 21:25 UTC | May 27, 09:45 UTC | 12h 21m |
| 2026-05-26 | BAW168 | PVG → LHR | May 26, 05:05 UTC | May 26, 17:50 UTC | 12h 45m |
| 2026-05-25 | BAW168 | PVG → LHR | May 25, 19:20 UTC | May 26, 17:50 UTC | 22h 30m |
| 2026-05-25 | BAW168 | PVG → LHR | May 25, 15:40 UTC | May 26, 15:00 UTC | 23h 19m |
| 2026-05-25 | BAW169 | LHR → PVG | May 25, 13:05 UTC | May 26, 13:00 UTC | 23h 54m |
| 2026-05-25 | BAW169 | LHR → PVG | May 25, 11:55 UTC | May 26, 09:29 UTC | 21h 35m |
| 2026-05-24 | BAW34 | LHR → KUL | May 24, 18:40 UTC | May 25, 04:25 UTC | 9h 45m |
| 2026-05-24 | BAW33 | LHR → KUL | May 24, 09:15 UTC | May 24, 09:35 UTC | 20m |
| 2026-05-23 | BAW33 | LHR → KUL | May 23, 21:25 UTC | May 24, 06:20 UTC | 8h 55m |
| 2026-05-23 | BAW242 | MEX → LHR | May 23, 04:25 UTC | May 23, 13:55 UTC | 9h 30m |
| 2026-05-22 | BAW243 | LHR → MEX | May 22, 14:40 UTC | May 23, 01:40 UTC | 11h 0m |
| 2026-05-22 | BAW270 | LAS → LHR | May 22, 00:35 UTC | May 22, 09:50 UTC | 9h 15m |
| 2026-05-21 | BAW271 | LHR → LAS | May 21, 11:50 UTC | May 21, 21:35 UTC | 9h 45m |
| 2026-05-21 | BAW5CA | YYZ → LHR | May 21, 00:05 UTC | May 21, 06:30 UTC | 6h 25m |
| 2026-05-20 | BAW9ZY | LHR → YYZ | May 20, 14:15 UTC | May 20, 21:45 UTC | 7h 30m |
| 2026-05-19 | BAW242 | MEX → LHR | May 19, 04:30 UTC | May 19, 14:10 UTC | 9h 40m |
| 2026-05-18 | BAW243 | LHR → MEX | May 18, 15:20 UTC | May 19, 02:00 UTC | 10h 39m |
| 2026-05-17 | BAW16 | SIN → LHR | May 17, 15:01 UTC | May 18, 04:20 UTC | 13h 20m |
| 2026-05-17 | BAW16 | SIN → LHR | May 17, 04:50 UTC | May 17, 05:30 UTC | 40m |
| 2026-05-16 | BAW15 | SIN → SYD | May 16, 12:40 UTC | May 16, 19:30 UTC | 6h 50m |
| 2026-05-15 | BAW15 | SIN → SYD | May 15, 21:50 UTC | May 16, 10:25 UTC | 12h 36m |
| 2026-05-15 | BAW168 | PVG → LHR | May 15, 09:00 UTC | May 15, 17:10 UTC | 8h 9m |
| 2026-05-14 | BAW168 | PVG → LHR | May 14, 18:55 UTC | May 15, 17:00 UTC | 22h 4m |
| 2026-05-14 | BAW169 | LHR → PVG | May 14, 15:15 UTC | May 15, 15:00 UTC | 23h 44m |
| 2026-05-14 | BAW169 | LHR → PVG | May 14, 13:05 UTC | May 15, 09:00 UTC | 19h 55m |
| 2026-05-14 | BAW169 | LHR → PVG | May 14, 11:40 UTC | May 15, 09:00 UTC | 21h 20m |
| 2026-05-13 | BAW34 | LHR → KUL | May 13, 18:05 UTC | May 14, 04:15 UTC | 10h 10m |
| 2026-05-13 | BAW34 | LHR → KUL | May 13, 15:15 UTC | May 13, 15:30 UTC | 15m |
| 2026-05-13 | BAW33 | LHR → KUL | May 13, 08:35 UTC | May 13, 08:55 UTC | 20m |
| 2026-05-12 | BAW33 | LHR → KUL | May 12, 20:50 UTC | May 13, 06:05 UTC | 9h 15m |
| 2026-05-12 | BAW242 | MEX → LHR | May 12, 04:50 UTC | May 12, 14:15 UTC | 9h 25m |
| 2026-05-11 | BAW243 | LHR → MEX | May 11, 14:45 UTC | May 11, 22:35 UTC | 7h 50m |
| 2026-05-11 | BAW250 | SCL → LHR | May 11, 07:30 UTC | May 11, 09:05 UTC | 1h 35m |
| 2026-05-10 | BAW250 | SCL → LHR | May 10, 19:30 UTC | May 10, 19:40 UTC | 10m |
| 2026-05-09 | BAW251 | LHR → SCL | May 9, 21:25 UTC | May 9, 22:34 UTC | 1h 10m |
| 2026-05-09 | BAW461 | MAD → LHR | May 9, 15:55 UTC | May 9, 17:45 UTC | 1h 50m |
| 2026-05-09 | BAW46EZ | LHR → MAD | May 9, 11:55 UTC | May 9, 13:55 UTC | 2h 0m |
| 2026-05-06 | BAW16 | SIN → LHR | May 6, 15:40 UTC | May 7, 04:50 UTC | 13h 9m |
| 2026-05-06 | BAW16 | SIN → LHR | May 6, 04:50 UTC | May 6, 05:30 UTC | 40m |
| 2026-05-05 | BAW15 | LHR → SIN | May 5, 19:10 UTC | May 5, 19:50 UTC | 40m |
| 2026-05-04 | BAW15 | LHR → SIN | May 4, 21:20 UTC | May 5, 09:40 UTC | 12h 20m |
| 2026-05-04 | BAW270 | LAS → LHR | May 4, 01:24 UTC | May 4, 11:00 UTC | 9h 35m |
| 2026-05-03 | BAW271 | LHR → LAS | May 3, 13:00 UTC | May 3, 23:10 UTC | 10h 10m |
| 2026-05-02 | BAW6 | HND → LHR | May 2, 04:20 UTC | May 2, 18:15 UTC | 13h 55m |
| 2026-05-01 | BAW5 | LHR → NRT | May 1, 13:00 UTC | May 2, 02:20 UTC | 13h 20m |
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-ZBKH page for operator, model, and routing details .