sensors Mode-S transponder
4B191D
ICAO 24-bit transponder address · allocated to Switzerland
Currently assigned to HB-JNH · BOEING 777-300ER
- Hex
- 4B191D
- Octal
- 22614435
- Decimal
- 4,921,629
- Country
- CH
- Tail
- HB-JNH
- Type
- B77W
- Flights observed
- 101
- Distinct callsigns
- 19
- Country
- CH
- Last broadcast
- 53m ago
Last known position
Country allocation
The ICAO 24-bit address 4B191D falls within the block assigned to Switzerland (CH) by ICAO Annex 10, Volume III. Every aircraft registered in Switzerland 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 19 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| SWR40 | Swiss International Air Lines | 10 | 2026-05-24 |
| SWR177 | Swiss International Air Lines | 10 | 2026-05-27 |
| SWR139 | Swiss International Air Lines | 10 | 2026-05-16 |
| SWR41G | Swiss International Air Lines | 8 | 2026-05-25 |
| SWR181 | Swiss International Air Lines | 8 | 2026-05-26 |
| SWR138 | Swiss International Air Lines | 8 | 2026-05-15 |
| SWR64E | Swiss International Air Lines | 7 | 2026-05-23 |
| SWR180 | Swiss International Air Lines | 7 | 2026-05-29 |
| SWR65 | Swiss International Air Lines | 5 | 2026-05-24 |
| SWR176 | Swiss International Air Lines | 5 | 2026-05-26 |
| SWR161 | Swiss International Air Lines | 4 | 2026-05-17 |
| SWR160 | Swiss International Air Lines | 4 | 2026-05-16 |
| SWR93 | Swiss International Air Lines | 3 | 2026-05-22 |
| SWR92 | Swiss International Air Lines | 3 | 2026-05-21 |
| SWR39 | Swiss International Air Lines | 3 | 2026-05-29 |
| SWR35G | Swiss International Air Lines | 3 | 2026-05-28 |
| SWR9G | Swiss International Air Lines | 1 | 2026-04-22 |
| SWR8T | Swiss International Air Lines | 1 | 2026-04-21 |
| SWR5141 | Swiss International Air Lines | 1 | 2026-04-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | SWR180 | ZRH → BKK | May 29, 16:35 UTC | May 30, 00:55 UTC | 8h 20m |
| 2026-05-29 | SWR39 | SFO → ZRH | May 29, 02:45 UTC | May 29, 13:35 UTC | 10h 50m |
| 2026-05-28 | SWR35G | ZRH → SFO | May 28, 12:00 UTC | May 28, 23:20 UTC | 11h 20m |
| 2026-05-27 | SWR177 | SIN → ZRH | May 27, 15:55 UTC | May 28, 04:35 UTC | 12h 40m |
| 2026-05-26 | SWR176 | ZRH → SIN | May 26, 21:00 UTC | May 27, 08:35 UTC | 11h 36m |
| 2026-05-26 | SWR181 | BKK → ZRH | May 26, 06:04 UTC | May 26, 17:30 UTC | 11h 25m |
| 2026-05-25 | SWR180 | ZRH → BKK | May 25, 16:25 UTC | May 26, 02:29 UTC | 10h 5m |
| 2026-05-25 | SWR41G | LAX → ZRH | May 25, 02:40 UTC | May 25, 13:20 UTC | 10h 40m |
| 2026-05-24 | SWR40 | ZRH → LAX | May 24, 12:25 UTC | May 24, 23:46 UTC | 11h 21m |
| 2026-05-24 | SWR65 | MIA → ZRH | May 24, 00:05 UTC | May 24, 08:55 UTC | 8h 50m |
| 2026-05-23 | SWR64E | ZRH → MIA | May 23, 11:35 UTC | May 23, 21:20 UTC | 9h 46m |
| 2026-05-22 | SWR93 | GRU → ZRH | May 22, 21:55 UTC | May 23, 08:35 UTC | 10h 40m |
| 2026-05-21 | SWR92 | ZRH → GRU | May 21, 21:15 UTC | May 22, 08:30 UTC | 11h 15m |
| 2026-05-21 | SWR39 | SFO → ZRH | May 21, 02:55 UTC | May 21, 13:20 UTC | 10h 25m |
| 2026-05-20 | SWR35G | ZRH → SFO | May 20, 11:40 UTC | May 20, 22:45 UTC | 11h 5m |
| 2026-05-19 | SWR65 | MIA → ZRH | May 19, 23:55 UTC | May 20, 08:40 UTC | 8h 46m |
| 2026-05-19 | SWR64E | ZRH → MIA | May 19, 11:35 UTC | May 19, 21:20 UTC | 9h 45m |
| 2026-05-18 | SWR93 | GRU → ZRH | May 18, 21:50 UTC | May 19, 08:35 UTC | 10h 45m |
| 2026-05-17 | SWR92 | ZRH → GRU | May 17, 21:01 UTC | May 18, 08:10 UTC | 11h 10m |
| 2026-05-17 | SWR161 | NRT → ZRH | May 17, 02:45 UTC | May 17, 17:01 UTC | 14h 15m |
| 2026-05-16 | SWR160 | ZRH → NRT | May 16, 11:35 UTC | May 17, 00:25 UTC | 12h 50m |
| 2026-05-16 | SWR139 | HKG → ZRH | May 16, 00:20 UTC | May 16, 04:15 UTC | 3h 55m |
| 2026-05-15 | SWR139 | HKG → ZRH | May 15, 15:55 UTC | May 15, 16:05 UTC | 10m |
| 2026-05-15 | SWR138 | ZRH → HKG | May 15, 07:55 UTC | May 15, 08:20 UTC | 25m |
| 2026-05-14 | SWR138 | ZRH → HKG | May 14, 21:05 UTC | May 15, 06:10 UTC | 9h 5m |
| 2026-05-14 | SWR161 | NRT → ZRH | May 14, 02:35 UTC | May 14, 16:40 UTC | 14h 5m |
| 2026-05-13 | SWR160 | ZRH → NRT | May 13, 11:35 UTC | May 14, 00:20 UTC | 12h 45m |
| 2026-05-13 | SWR139 | HKG → ZRH | May 13, 00:05 UTC | May 13, 04:10 UTC | 4h 5m |
| 2026-05-12 | SWR139 | HKG → ZRH | May 12, 15:35 UTC | May 12, 15:50 UTC | 15m |
| 2026-05-12 | SWR138 | ZRH → HKG | May 12, 07:35 UTC | May 12, 08:10 UTC | 35m |
| 2026-05-11 | SWR138 | ZRH → HKG | May 11, 21:00 UTC | May 12, 05:45 UTC | 8h 45m |
| 2026-05-11 | SWR161 | NRT → ZRH | May 11, 02:25 UTC | May 11, 16:30 UTC | 14h 5m |
| 2026-05-10 | SWR160 | ZRH → NRT | May 10, 11:30 UTC | May 10, 23:39 UTC | 12h 10m |
| 2026-05-10 | SWR139 | HKG → ZRH | May 10, 00:00 UTC | May 10, 04:15 UTC | 4h 15m |
| 2026-05-09 | SWR139 | HKG → ZRH | May 9, 15:30 UTC | May 9, 15:50 UTC | 20m |
| 2026-05-09 | SWR138 | ZRH → HKG | May 9, 07:50 UTC | May 9, 08:15 UTC | 25m |
| 2026-05-08 | SWR138 | ZRH → HKG | May 8, 21:00 UTC | May 9, 05:35 UTC | 8h 35m |
| 2026-05-07 | SWR139 | HKG → ZRH | May 7, 02:10 UTC | May 7, 04:10 UTC | 2h 0m |
| 2026-05-06 | SWR139 | HKG → ZRH | May 6, 15:30 UTC | May 6, 15:45 UTC | 15m |
| 2026-05-05 | SWR138 | ZRH → HKG | May 5, 20:50 UTC | May 6, 08:05 UTC | 11h 15m |
| 2026-05-05 | SWR181 | BKK → ZRH | May 5, 06:15 UTC | May 5, 17:35 UTC | 11h 20m |
| 2026-05-04 | SWR180 | ZRH → BKK | May 4, 16:45 UTC | May 5, 03:05 UTC | 10h 21m |
| 2026-05-04 | SWR41G | LAX → ZRH | May 4, 02:54 UTC | May 4, 13:35 UTC | 10h 40m |
| 2026-05-03 | SWR40 | ZRH → LAX | May 3, 12:05 UTC | May 3, 23:25 UTC | 11h 20m |
| 2026-05-03 | SWR65 | MIA → ZRH | May 3, 00:55 UTC | May 3, 09:35 UTC | 8h 39m |
| 2026-05-02 | SWR64E | ZRH → MIA | May 2, 11:35 UTC | May 2, 21:35 UTC | 10h 0m |
| 2026-05-02 | SWR65 | MIA → ZRH | May 2, 00:15 UTC | May 2, 08:50 UTC | 8h 36m |
| 2026-05-01 | SWR64E | ZRH → MIA | May 1, 12:00 UTC | May 1, 21:40 UTC | 9h 40m |
| 2026-04-30 | SWR93 | GRU → ZRH | Apr 30, 22:15 UTC | May 1, 08:45 UTC | 10h 30m |
| 2026-04-29 | SWR92 | GRU → EZE | Apr 29, 21:10 UTC | Apr 30, 08:30 UTC | 11h 19m |
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 HB-JNH page for operator, model, and routing details .