sensors Mode-S transponder
406F79
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to G-ZBKM · BOEING 787-9 Dreamliner
- Hex
- 406F79
- Octal
- 20067571
- Decimal
- 4,222,841
- Country
- GB
- Tail
- G-ZBKM
- Type
- B789
- Flights observed
- 107
- Distinct callsigns
- 20
- Country
- GB
- Last broadcast
- 2h ago
Last known position
Country allocation
The ICAO 24-bit address 406F79 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 |
|---|---|---|---|
| BAW5 | British Airways | 16 | 2026-05-25 |
| BAW168 | British Airways | 14 | 2026-05-30 |
| BAW6 | British Airways | 13 | 2026-05-26 |
| BAW15 | British Airways | 12 | 2026-05-31 |
| BAW16 | British Airways | 9 | 2026-06-01 |
| BAW169 | British Airways | 8 | 2026-05-29 |
| BAW60 | British Airways | 6 | 2026-05-07 |
| BAW34 | British Airways | 6 | 2026-05-16 |
| BAW33 | British Airways | 6 | 2026-05-16 |
| BAW138 | British Airways | 5 | 2026-05-13 |
| BAW61 | British Airways | 2 | 2026-05-07 |
| BAW139 | British Airways | 2 | 2026-06-02 |
| EZY79YA | easyJet | 1 | 2026-05-04 |
| BAW99 | British Airways | 1 | 2026-05-19 |
| BAW98T | British Airways | 1 | 2026-05-20 |
| BAW53 | British Airways | 1 | 2026-05-28 |
| BAW4EA | British Airways | 1 | 2026-05-28 |
| BAW181 | British Airways | 1 | 2026-05-18 |
| BAW132 | British Airways | 1 | 2026-04-24 |
| BAW11J | British Airways | 1 | 2026-05-18 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | BAW139 | LHR → BOM | Jun 2, 18:05 UTC | Jun 2, 18:25 UTC | 20m |
| 2026-06-02 | BAW139 | LHR → BOM | Jun 2, 09:25 UTC | Jun 2, 14:10 UTC | 4h 45m |
| 2026-06-01 | BAW16 | SIN → LHR | Jun 1, 15:05 UTC | Jun 2, 04:25 UTC | 13h 20m |
| 2026-06-01 | BAW16 | SIN → LHR | Jun 1, 04:55 UTC | Jun 1, 05:30 UTC | 35m |
| 2026-05-31 | BAW15 | SIN → SYD | May 31, 12:50 UTC | May 31, 19:40 UTC | 6h 50m |
| 2026-05-30 | BAW15 | SIN → SYD | May 30, 21:25 UTC | May 31, 10:05 UTC | 12h 40m |
| 2026-05-30 | BAW168 | PVG → LHR | May 30, 04:40 UTC | May 30, 17:25 UTC | 12h 45m |
| 2026-05-29 | BAW168 | PVG → LHR | May 29, 14:20 UTC | May 30, 13:35 UTC | 23h 15m |
| 2026-05-29 | BAW169 | LHR → PVG | May 29, 12:20 UTC | May 30, 12:15 UTC | 23h 55m |
| 2026-05-29 | BAW169 | LHR → PVG | May 29, 11:35 UTC | May 30, 09:00 UTC | 21h 25m |
| 2026-05-28 | BAW4EA | SEA → LHR | May 28, 21:05 UTC | May 29, 05:45 UTC | 8h 40m |
| 2026-05-28 | BAW53 | LHR → SEA | May 28, 09:45 UTC | May 28, 18:45 UTC | 9h 0m |
| 2026-05-26 | BAW6 | HND → LHR | May 26, 04:30 UTC | May 26, 18:34 UTC | 14h 5m |
| 2026-05-25 | BAW5 | LHR → NRT | May 25, 12:35 UTC | May 26, 01:40 UTC | 13h 5m |
| 2026-05-24 | BAW16 | SIN → LHR | May 24, 15:05 UTC | May 25, 04:20 UTC | 13h 15m |
| 2026-05-24 | BAW16 | SIN → LHR | May 24, 04:50 UTC | May 24, 12:35 UTC | 7h 45m |
| 2026-05-23 | BAW15 | SIN → SYD | May 23, 19:05 UTC | May 23, 19:45 UTC | 40m |
| 2026-05-22 | BAW15 | SIN → SYD | May 22, 21:25 UTC | May 23, 10:20 UTC | 12h 54m |
| 2026-05-22 | BAW168 | PVG → LHR | May 22, 04:45 UTC | May 22, 17:05 UTC | 12h 20m |
| 2026-05-21 | BAW168 | PVG → LHR | May 21, 18:55 UTC | May 22, 17:05 UTC | 22h 10m |
| 2026-05-21 | BAW168 | PVG → LHR | May 21, 14:20 UTC | May 22, 13:30 UTC | 23h 10m |
| 2026-05-21 | BAW169 | LHR → PVG | May 21, 12:20 UTC | May 22, 12:15 UTC | 23h 54m |
| 2026-05-21 | BAW169 | LHR → PVG | May 21, 11:35 UTC | May 22, 09:00 UTC | 21h 25m |
| 2026-05-20 | BAW98T | YYZ → LHR | May 20, 02:20 UTC | May 20, 09:00 UTC | 6h 41m |
| 2026-05-19 | BAW99 | LHR → YYZ | May 19, 16:45 UTC | May 19, 23:55 UTC | 7h 10m |
| 2026-05-18 | BAW11J | JFK → LHR | May 18, 23:25 UTC | May 19, 05:40 UTC | 6h 15m |
| 2026-05-18 | BAW181 | LHR → EWR | May 18, 12:05 UTC | May 18, 18:50 UTC | 6h 44m |
| 2026-05-16 | BAW34 | LHR → KUL | May 16, 18:05 UTC | May 17, 04:05 UTC | 10h 0m |
| 2026-05-16 | BAW34 | LHR → KUL | May 16, 15:16 UTC | May 16, 15:35 UTC | 20m |
| 2026-05-16 | BAW33 | LHR → KUL | May 16, 10:16 UTC | May 16, 10:31 UTC | 15m |
| 2026-05-15 | BAW33 | LHR → KUL | May 15, 22:35 UTC | May 16, 06:16 UTC | 7h 41m |
| 2026-05-15 | BAW6 | HND → LHR | May 15, 04:40 UTC | May 15, 19:10 UTC | 14h 29m |
| 2026-05-14 | BAW5 | LHR → NRT | May 14, 12:40 UTC | May 15, 02:05 UTC | 13h 25m |
| 2026-05-13 | BAW138 | BOM → LHR | May 13, 12:20 UTC | May 14, 06:50 UTC | 18h 30m |
| 2026-05-13 | BAW138 | BOM → LHR | May 13, 10:20 UTC | May 14, 06:50 UTC | 20h 30m |
| 2026-05-13 | BAW138 | BOM → LHR | May 13, 09:40 UTC | May 14, 06:50 UTC | 21h 10m |
| 2026-05-12 | BAW168 | PVG → LHR | May 12, 09:15 UTC | May 12, 17:40 UTC | 8h 25m |
| 2026-05-11 | BAW168 | PVG → LHR | May 11, 19:35 UTC | May 12, 17:40 UTC | 22h 5m |
| 2026-05-11 | BAW168 | PVG → LHR | May 11, 16:20 UTC | May 12, 16:15 UTC | 23h 56m |
| 2026-05-11 | BAW169 | LHR → PVG | May 11, 14:20 UTC | May 12, 13:51 UTC | 23h 31m |
| 2026-05-11 | BAW169 | LHR → PVG | May 11, 12:25 UTC | May 12, 09:20 UTC | 20h 56m |
| 2026-05-09 | BAW34 | LHR → KUL | May 9, 18:10 UTC | May 10, 04:29 UTC | 10h 20m |
| 2026-05-09 | BAW34 | LHR → KUL | May 9, 15:20 UTC | May 9, 15:35 UTC | 15m |
| 2026-05-09 | BAW33 | LHR → KUL | May 9, 08:30 UTC | May 9, 09:00 UTC | 30m |
| 2026-05-08 | BAW33 | LHR → KUL | May 8, 20:30 UTC | May 9, 06:05 UTC | 9h 35m |
| 2026-05-07 | BAW60 | MLE → LHR | May 7, 23:55 UTC | May 8, 17:10 UTC | 17h 15m |
| 2026-05-07 | BAW60 | MLE → LHR | May 7, 20:20 UTC | May 8, 17:10 UTC | 20h 50m |
| 2026-05-07 | BAW60 | MLE → LHR | May 7, 18:20 UTC | May 8, 17:10 UTC | 22h 50m |
| 2026-05-07 | BAW61 | LHR → MLE | May 7, 18:05 UTC | May 8, 16:15 UTC | 22h 10m |
| 2026-05-06 | BAW6 | HND → LHR | May 6, 05:20 UTC | May 6, 18:45 UTC | 13h 25m |
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-ZBKM page for operator, model, and routing details .