sensors Mode-S transponder
407995
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to G-STBP · BOEING 777-300ER
- Hex
- 407995
- Octal
- 20074625
- Decimal
- 4,225,429
- Country
- GB
- Tail
- G-STBP
- Type
- B77W
- Flights observed
- 72
- Distinct callsigns
- 20
- Country
- GB
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address 407995 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 |
|---|---|---|---|
| BAW29C | British Airways | 9 | 2026-05-25 |
| BAW33K | British Airways | 8 | 2026-05-27 |
| BAW293 | British Airways | 8 | 2026-05-24 |
| BAW82P | British Airways | 7 | 2026-05-28 |
| BAW28K | British Airways | 7 | 2026-05-25 |
| BAW6B | British Airways | 6 | 2026-05-26 |
| BAW9SW | British Airways | 5 | 2026-05-29 |
| BAW14K | British Airways | 5 | 2026-05-28 |
| BAW11 | British Airways | 3 | 2026-05-29 |
| BAW8DS | British Airways | 2 | 2026-04-25 |
| BAW283 | British Airways | 2 | 2026-04-25 |
| BAW12 | British Airways | 2 | 2026-04-23 |
| BAW9178 | British Airways | 1 | 2026-04-28 |
| BAW9175 | British Airways | 1 | 2026-05-21 |
| BAW49 | British Airways | 1 | 2026-05-26 |
| BAW48Q | British Airways | 1 | 2026-05-27 |
| BAW40F | British Airways | 1 | 2026-04-24 |
| BAW199 | British Airways | 1 | 2026-05-21 |
| BAW198 | British Airways | 1 | 2026-05-22 |
| BAW173A | British Airways | 1 | 2026-04-24 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | BAW11 | LHR → SIN | May 29, 19:05 UTC | May 30, 07:20 UTC | 12h 15m |
| 2026-05-29 | BAW9SW | SAN → LHR | May 29, 03:00 UTC | May 29, 13:05 UTC | 10h 5m |
| 2026-05-28 | BAW82P | LHR → SAN | May 28, 14:20 UTC | May 29, 00:50 UTC | 10h 30m |
| 2026-05-28 | BAW14K | JFK → LHR | May 28, 02:10 UTC | May 28, 08:35 UTC | 6h 25m |
| 2026-05-27 | BAW33K | LHR → JFK | May 27, 16:25 UTC | May 27, 23:10 UTC | 6h 45m |
| 2026-05-27 | BAW48Q | SEA → LHR | May 27, 04:45 UTC | May 27, 13:25 UTC | 8h 40m |
| 2026-05-26 | BAW49 | LHR → SEA | May 26, 16:40 UTC | May 27, 02:09 UTC | 9h 30m |
| 2026-05-26 | BAW6B | SFO → LHR | May 26, 03:40 UTC | May 26, 13:10 UTC | 9h 30m |
| 2026-05-25 | BAW28K | LHR → SFO | May 25, 14:35 UTC | May 26, 01:05 UTC | 10h 29m |
| 2026-05-25 | BAW29C | IAD → LHR | May 25, 02:55 UTC | May 25, 09:45 UTC | 6h 50m |
| 2026-05-24 | BAW293 | LHR → IAD | May 24, 16:30 UTC | May 24, 23:46 UTC | 7h 16m |
| 2026-05-24 | BAW6B | SFO → LHR | May 24, 03:05 UTC | May 24, 12:40 UTC | 9h 35m |
| 2026-05-23 | BAW28K | LHR → SFO | May 23, 14:20 UTC | May 24, 00:50 UTC | 10h 30m |
| 2026-05-22 | BAW198 | BOM → LHR | May 22, 08:05 UTC | May 22, 17:10 UTC | 9h 5m |
| 2026-05-21 | BAW199 | LHR → BOM | May 21, 20:35 UTC | May 22, 05:35 UTC | 9h 0m |
| 2026-05-21 | BAW9175 | CWL → LHR | May 21, 15:50 UTC | May 21, 16:20 UTC | 30m |
| 2026-04-28 | BAW9178 | CWL → CWL | Apr 28, 13:35 UTC | Apr 28, 14:05 UTC | 30m |
| 2026-04-28 | BAW29C | IAD → LHR | Apr 28, 02:15 UTC | Apr 28, 09:20 UTC | 7h 5m |
| 2026-04-27 | BAW293 | LHR → IAD | Apr 27, 16:25 UTC | Apr 27, 23:40 UTC | 7h 15m |
| 2026-04-27 | BAW9SW | SAN → LHR | Apr 27, 03:20 UTC | Apr 27, 13:00 UTC | 9h 40m |
| 2026-04-26 | BAW82P | LHR → SAN | Apr 26, 14:20 UTC | Apr 27, 01:00 UTC | 10h 40m |
| 2026-04-25 | BAW8DS | LAX → LHR | Apr 25, 23:05 UTC | Apr 26, 08:45 UTC | 9h 40m |
| 2026-04-25 | BAW283 | LHR → LAX | Apr 25, 10:15 UTC | Apr 25, 20:25 UTC | 10h 10m |
| 2026-04-24 | BAW40F | JFK → LHR | Apr 24, 22:50 UTC | Apr 25, 05:25 UTC | 6h 35m |
| 2026-04-24 | BAW173A | LHR → JFK | Apr 24, 11:10 UTC | Apr 24, 17:40 UTC | 6h 30m |
| 2026-04-23 | BAW12 | SIN → LHR | Apr 23, 15:50 UTC | Apr 24, 05:10 UTC | 13h 19m |
| 2026-04-22 | BAW11 | LHR → SIN | Apr 22, 18:50 UTC | Apr 23, 07:40 UTC | 12h 50m |
| 2026-04-20 | BAW8DS | LAX → LHR | Apr 20, 23:15 UTC | Apr 21, 09:30 UTC | 10h 15m |
| 2026-04-20 | BAW283 | LHR → LAX | Apr 20, 10:05 UTC | Apr 20, 20:35 UTC | 10h 30m |
| 2026-04-19 | BAW12 | SIN → LHR | Apr 19, 16:00 UTC | Apr 20, 05:25 UTC | 13h 25m |
| 2026-04-18 | BAW11 | LHR → SIN | Apr 18, 18:50 UTC | Apr 19, 07:35 UTC | 12h 45m |
| 2026-04-18 | BAW6B | SFO → LHR | Apr 18, 05:25 UTC | Apr 18, 06:00 UTC | 35m |
| 2026-04-18 | BAW6B | SFO → LHR | Apr 18, 05:10 UTC | Apr 18, 06:00 UTC | 50m |
| 2026-04-18 | BAW6B | SFO → LHR | Apr 18, 03:45 UTC | Apr 18, 05:20 UTC | 1h 35m |
| 2026-04-18 | BAW6B | SFO → LHR | Apr 18, 02:50 UTC | Apr 18, 12:20 UTC | 9h 30m |
| 2026-04-17 | BAW28K | LHR → SFO | Apr 17, 23:25 UTC | Apr 18, 00:20 UTC | 55m |
| 2026-04-17 | BAW28K | LHR → SFO | Apr 17, 21:45 UTC | Apr 17, 23:20 UTC | 1h 35m |
| 2026-04-17 | BAW28K | LHR → SFO | Apr 17, 18:15 UTC | Apr 17, 18:50 UTC | 35m |
| 2026-04-17 | BAW28K | LHR → SFO | Apr 17, 16:05 UTC | Apr 17, 16:35 UTC | 30m |
| 2026-04-17 | BAW28K | LHR → SFO | Apr 17, 14:15 UTC | Apr 17, 15:15 UTC | 59m |
| 2026-04-17 | BAW29C | IAD → LHR | Apr 17, 07:50 UTC | Apr 17, 09:15 UTC | 1h 25m |
| 2026-04-17 | BAW29C | IAD → LHR | Apr 17, 03:20 UTC | Apr 17, 04:25 UTC | 1h 5m |
| 2026-04-17 | BAW29C | IAD → LHR | Apr 17, 02:40 UTC | Apr 17, 03:15 UTC | 35m |
| 2026-04-16 | BAW293 | LHR → IAD | Apr 16, 23:20 UTC | Apr 17, 00:15 UTC | 55m |
| 2026-04-16 | BAW293 | LHR → IAD | Apr 16, 21:55 UTC | Apr 16, 23:10 UTC | 1h 15m |
| 2026-04-16 | BAW293 | LHR → IAD | Apr 16, 17:15 UTC | Apr 16, 17:50 UTC | 35m |
| 2026-04-16 | BAW293 | LHR → IAD | Apr 16, 16:35 UTC | Apr 16, 17:10 UTC | 35m |
| 2026-04-16 | BAW9SW | SAN → LHR | Apr 16, 11:39 UTC | Apr 16, 12:49 UTC | 1h 10m |
| 2026-04-16 | BAW9SW | SAN → LHR | Apr 16, 05:29 UTC | Apr 16, 06:15 UTC | 45m |
| 2026-04-16 | BAW9SW | SAN → LHR | Apr 16, 03:09 UTC | Apr 16, 04:54 UTC | 1h 45m |
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-STBP page for operator, model, and routing details .