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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
- 18 Oct 2026, 22:42
- Logged visits
- 1,511
The station's story
- Cumulative contact time
- 193 h
- Distinct days
- 806
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,635 of 60,474
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,554 contacts on the address, 1,511 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
CSW (550 contacts, 2025-2026) · GSW (541 contacts, 2023-2025) · ENT (2 contacts, 2025)
Operator as per the registry of 19 Oct 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| CSW612 | LFSB > BKPR | 13 Aug 2025, 11:4513 Aug 2025 | 13 Aug 2025, 11:48 | 18,750 ft | 4 |
| not transmitted | route not resolved | 13 Aug 2025, 10:2413 Aug 2025 | 13 Aug 2025, 10:25 | 15,075 ft | 5 |
| not transmitted | route not resolved | 12 Aug 2025, 16:5812 Aug 2025 | 12 Aug 2025, 17:06 | 28,600 ft | no position received |
| CSW1EP | LSZH > LEPA | 12 Aug 2025, 13:1712 Aug 2025 | 12 Aug 2025, 13:24 | 31,000 ft | 12 |
| CSW1PM | LEPA > LSZH | 11 Aug 2025, 15:4311 Aug 2025 | 11 Aug 2025, 15:49 | 27,750 ft | no position received |
| CSW1EP | LSZH > LEPA | 11 Aug 2025, 12:1111 Aug 2025 | 11 Aug 2025, 12:19 | 31,000 ft | 27 |
| CSW612 | LFSB > BKPR | 8 Aug 2025, 11:508 Aug 2025 | 8 Aug 2025, 11:55 | 19,325 ft | 1 |
| not transmitted | route not resolved | 8 Aug 2025, 10:268 Aug 2025 | 8 Aug 2025, 10:33 | 10,000 ft | no position received |
| CSW1PM | LEPA > LSZH | 7 Aug 2025, 15:417 Aug 2025 | 7 Aug 2025, 16:06 | 11,200 ft | 46 |
| CSW1EP | LSZH > LEPA | 7 Aug 2025, 12:047 Aug 2025 | 7 Aug 2025, 12:23 | 33,400 ft | 956 |
| CSW1PM | LEPA > LSZH | 6 Aug 2025, 16:556 Aug 2025 | 6 Aug 2025, 17:14 | 10,025 ft | 100 |
| CSW1EP | LSZH > LEPA | 6 Aug 2025, 13:166 Aug 2025 | 6 Aug 2025, 13:41 | 37,000 ft | 1,198 |
| CSW610 | LFSB > BKPR | 6 Aug 2025, 06:166 Aug 2025 | 6 Aug 2025, 06:22 | 17,475 ft | 56 |
| CSW615 | BKPR > LFSB | 5 Aug 2025, 22:585 Aug 2025 | 5 Aug 2025, 23:04 | 8,975 ft | 37 |
| not transmitted | route not resolved | 5 Aug 2025, 18:415 Aug 2025 | 5 Aug 2025, 18:42 | 21,425 ft | 4 |
| CSW612 | LFSB > BKPR | 5 Aug 2025, 12:455 Aug 2025 | 5 Aug 2025, 12:48 | 18,650 ft | 9 |
| not transmitted | route not resolved | 5 Aug 2025, 10:575 Aug 2025 | 5 Aug 2025, 10:58 | 14,675 ft | no position received |
| CSW610 | LFSB > BKPR | 5 Aug 2025, 06:275 Aug 2025 | 5 Aug 2025, 06:29 | 16,500 ft | 19 |
| CSW615 | BKPR > LFSB | 4 Aug 2025, 23:244 Aug 2025 | 4 Aug 2025, 23:32 | 10,275 ft | 20 |
| not transmitted | route not resolved | 4 Aug 2025, 12:354 Aug 2025 | 4 Aug 2025, 12:40 | 15,500 ft | no position received |
| not transmitted | route not resolved | 4 Aug 2025, 10:514 Aug 2025 | 4 Aug 2025, 10:51 | 10,100 ft | no position received |
| CSW610 | LFSB > BKPR | 4 Aug 2025, 06:254 Aug 2025 | 4 Aug 2025, 06:31 | 18,850 ft | 13 |
| not transmitted | route not resolved | 3 Aug 2025, 22:113 Aug 2025 | 3 Aug 2025, 22:11 | 14,825 ft | no position received |
| CSW1PM | LEPA > LSZH | 3 Aug 2025, 15:473 Aug 2025 | 3 Aug 2025, 16:03 | 16,400 ft | 629 |
| CSW1EP | LSZH > LEPA | 3 Aug 2025, 12:093 Aug 2025 | 3 Aug 2025, 12:26 | 35,000 ft | 957 |
