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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
- 20 Oct 2026, 11:17
- Logged visits
- 1,514
The station's story
- Cumulative contact time
- 193 h
- Distinct days
- 808
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,636 of 60,482
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,557 contacts on the address, 1,514 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 (552 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 | 11 Jul 2025, 11:4311 Jul 2025 | 11 Jul 2025, 11:49 | 18,950 ft | 4 |
| not transmitted | route not resolved | 11 Jul 2025, 10:2811 Jul 2025 | 11 Jul 2025, 10:33 | 12,175 ft | no position received |
| CSW1PM | LEPA > LSZH | 10 Jul 2025, 15:4910 Jul 2025 | 10 Jul 2025, 16:11 | 12,025 ft | 310 |
| CSW1EP | LSZH > LEPA | 10 Jul 2025, 12:1310 Jul 2025 | 10 Jul 2025, 12:32 | 39,000 ft | 697 |
| not transmitted | route not resolved | 9 Jul 2025, 11:539 Jul 2025 | 9 Jul 2025, 11:59 | 20,850 ft | 3 |
| not transmitted | route not resolved | 9 Jul 2025, 09:569 Jul 2025 | 9 Jul 2025, 09:57 | 17,475 ft | no position received |
| not transmitted | route not resolved | 8 Jul 2025, 17:398 Jul 2025 | 8 Jul 2025, 17:40 | 27,450 ft | no position received |
| not transmitted | route not resolved | 8 Jul 2025, 15:418 Jul 2025 | 8 Jul 2025, 15:43 | 32,450 ft | 3 |
| CSW1EP | LSZH > LEPA | 8 Jul 2025, 11:438 Jul 2025 | 8 Jul 2025, 11:52 | 36,300 ft | 26 |
| not transmitted | route not resolved | 7 Jul 2025, 15:417 Jul 2025 | 7 Jul 2025, 15:46 | 30,000 ft | no position received |
| CSW1EP | LSZH > LEPA | 7 Jul 2025, 11:587 Jul 2025 | 7 Jul 2025, 12:05 | 33,000 ft | 15 |
| CSW1PM | LEPA > LSZH | 5 Jul 2025, 15:515 Jul 2025 | 5 Jul 2025, 16:10 | 17,000 ft | 333 |
| CSW1EP | LSZH > LEPA | 5 Jul 2025, 12:245 Jul 2025 | 5 Jul 2025, 12:45 | 34,975 ft | 1,230 |
| CSW610 | LFSB > BKPR | 5 Jul 2025, 06:265 Jul 2025 | 5 Jul 2025, 06:32 | 18,425 ft | 53 |
| CSW615 | BKPR > LFSB | 4 Jul 2025, 21:574 Jul 2025 | 4 Jul 2025, 21:59 | 15,725 ft | 21 |
| CSW1PM | LEPA > LSZH | 3 Jul 2025, 17:043 Jul 2025 | 3 Jul 2025, 17:33 | 11,525 ft | 441 |
| CSW1EP | LSZH > LEPA | 3 Jul 2025, 13:083 Jul 2025 | 3 Jul 2025, 13:28 | 33,000 ft | 1,294 |
| CSW612 | LFSB > BKPR | 2 Jul 2025, 11:012 Jul 2025 | 2 Jul 2025, 11:07 | 19,925 ft | 5 |
| CSW615 | BKPR > LFSB | 1 Jul 2025, 22:341 Jul 2025 | 1 Jul 2025, 22:37 | 16,150 ft | 32 |
| CSW612 | LFSB > BKPR | 1 Jul 2025, 12:441 Jul 2025 | 1 Jul 2025, 12:48 | 19,450 ft | 1 |
| CSW615 | BKPR > LFSB | 30 Jun 2025, 22:4730 Jun 2025 | 30 Jun 2025, 22:48 | 15,050 ft | 1 |
| CSW610 | LFSB > BKPR | 30 Jun 2025, 06:3230 Jun 2025 | 30 Jun 2025, 06:35 | 17,650 ft | 27 |
| CSW615 | BKPR > LFSB | 29 Jun 2025, 21:4829 Jun 2025 | 29 Jun 2025, 21:49 | 16,575 ft | 2 |
| CSW1PM | LEPA > LSZH | 29 Jun 2025, 15:2829 Jun 2025 | 29 Jun 2025, 15:47 | 10,725 ft | 517 |
| CSW1EP | LSZH > LEPA | 29 Jun 2025, 11:5429 Jun 2025 | 29 Jun 2025, 12:15 | 38,350 ft | 899 |
