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Aircraft
HB-JOS
Common
- Mode S hex
- 4B1942
- Type
- Airbus A320A320
- Manufacturer
- Airbus
- Serial number
- 4391
- Year built
- 201016 years old
- Operator
- Chair Airlines (CSW)
- Country of registration
Switzerland
- First contact
- 13 Sept 2017, 13:06
- Last contact
- 12 Aug 2026, 11:37
- Logged visits
- 1,410
The station's story
- Cumulative contact time
- 176 h
- Distinct days
- 761
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,498 of 57,243
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,453 contacts on the address, 1,410 under this registration: the address has carried several identities over time.
Same airframe, also seen as
- HZ-AS35from 7 Oct 2016 to 7 Oct 2016 · 2 contacts
These registrations share the same serial number and type according to the reference data. Serial numbers can collide, though: it is a deduction, not a certainty.
Observed callsigns
GSW (541 contacts, 2023-2025) · CSW (470 contacts, 2025-2026) · ENT (2 contacts, 2025)
Operator as per the registry of 12 Aug 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| CSW1EP | LSZH > LEPA | 28 Jul 2025, 12:2828 Jul 2025 | 28 Jul 2025, 12:33 | 33,000 ft | 71 |
| not transmitted | route not resolved | 27 Jul 2025, 10:2127 Jul 2025 | 27 Jul 2025, 10:24 | 19,075 ft | 10 |
| CSW615 | BKPR > LFSB | 26 Jul 2025, 23:0026 Jul 2025 | 26 Jul 2025, 23:02 | 13,725 ft | 23 |
| CSW612 | LFSB > BKPR | 26 Jul 2025, 12:3926 Jul 2025 | 26 Jul 2025, 12:46 | 21,750 ft | 11 |
| CSW611 | BKPR > LFSB | 26 Jul 2025, 11:0726 Jul 2025 | 26 Jul 2025, 11:10 | 17,250 ft | 7 |
| CSW1PM | LEPA > LSZH | 25 Jul 2025, 16:1625 Jul 2025 | 25 Jul 2025, 16:32 | 18,500 ft | 316 |
| CSW1EP | LSZH > LEPA | 25 Jul 2025, 12:2325 Jul 2025 | 25 Jul 2025, 12:44 | 37,000 ft | 1,242 |
| CSW610 | LFSB > BKPR | 25 Jul 2025, 06:2325 Jul 2025 | 25 Jul 2025, 06:26 | 15,725 ft | 129 |
| CSW615 | BKPR > LFSB | 24 Jul 2025, 22:2724 Jul 2025 | 24 Jul 2025, 22:28 | 15,475 ft | no position received |
| CSW612 | LFSB > BKPR | 24 Jul 2025, 12:1224 Jul 2025 | 24 Jul 2025, 12:13 | 18,975 ft | 5 |
| not transmitted | route not resolved | 24 Jul 2025, 10:4724 Jul 2025 | 24 Jul 2025, 10:54 | 11,750 ft | 2 |
| CSW610 | LFSB > BKPR | 24 Jul 2025, 06:2024 Jul 2025 | 24 Jul 2025, 06:26 | 20,250 ft | 67 |
| CSW615 | BKPR > LFSB | 23 Jul 2025, 21:5223 Jul 2025 | 23 Jul 2025, 21:58 | 10,475 ft | 25 |
| CSW1PM | LEPA > LSZH | 21 Jul 2025, 16:2821 Jul 2025 | 21 Jul 2025, 16:48 | 12,225 ft | 289 |
| CSW1EP | LSZH > LEPA | 21 Jul 2025, 11:5021 Jul 2025 | 21 Jul 2025, 12:16 | 37,000 ft | 1,033 |
| not transmitted | route not resolved | 18 Jul 2025, 15:5218 Jul 2025 | 18 Jul 2025, 15:52 | 30,950 ft | no position received |
| CSW1EP | LSZH > LEPA | 18 Jul 2025, 12:1018 Jul 2025 | 18 Jul 2025, 12:18 | 35,000 ft | 16 |
| CSW610 | LFSB > BKPR | 18 Jul 2025, 06:1218 Jul 2025 | 18 Jul 2025, 06:18 | 18,800 ft | 81 |
| not transmitted | route not resolved | 17 Jul 2025, 22:5017 Jul 2025 | 17 Jul 2025, 22:56 | 10,450 ft | no position received |
| CSW612 | LFSB > BKPR | 17 Jul 2025, 11:5917 Jul 2025 | 17 Jul 2025, 12:05 | 19,300 ft | 1 |
| CSW610 | LFSB > BKPR | 17 Jul 2025, 06:2417 Jul 2025 | 17 Jul 2025, 06:27 | 18,675 ft | 21 |
| CSW615 | BKPR > LFSB | 16 Jul 2025, 23:2416 Jul 2025 | 16 Jul 2025, 23:26 | 12,975 ft | 19 |
| CSW1PM | LEPA > LSZH | 16 Jul 2025, 17:4316 Jul 2025 | 16 Jul 2025, 18:01 | 16,650 ft | 552 |
| CSW1EP | LSZH > LEPA | 16 Jul 2025, 13:3216 Jul 2025 | 16 Jul 2025, 13:52 | 34,975 ft | 1,187 |
| CSW610 | LFSB > BKPR | 16 Jul 2025, 06:2516 Jul 2025 | 16 Jul 2025, 06:30 | 19,025 ft | 46 |
