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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
- #25,497 of 57,222
- 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 |
|---|---|---|---|---|---|
| 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 |
| CSW1PM | LEPA > LSZH | 28 Jun 2025, 15:4328 Jun 2025 | 28 Jun 2025, 16:10 | 11,025 ft | 379 |
| not transmitted | route not resolved | 28 Jun 2025, 12:1528 Jun 2025 | 28 Jun 2025, 12:19 | 26,325 ft | no position received |
| CSW1PR | BKPR > LSZH | 28 Jun 2025, 10:2328 Jun 2025 | 28 Jun 2025, 10:28 | 9,825 ft | 20 |
| CSW1PM | LEPA > LSZH | 27 Jun 2025, 15:3027 Jun 2025 | 27 Jun 2025, 15:53 | 17,975 ft | 493 |
| CSW1EP | LSZH > LEPA | 27 Jun 2025, 11:5427 Jun 2025 | 27 Jun 2025, 12:20 | 34,975 ft | 1,286 |
| CSW1PM | LEPA > LSZH | 26 Jun 2025, 16:1326 Jun 2025 | 26 Jun 2025, 16:31 | 17,875 ft | 435 |
| CSW1EP | LSZH > LEPA | 26 Jun 2025, 12:0026 Jun 2025 | 26 Jun 2025, 12:18 | 33,000 ft | 757 |
| not transmitted | route not resolved | 25 Jun 2025, 15:5625 Jun 2025 | 25 Jun 2025, 16:01 | 29,150 ft | no position received |
| not transmitted | route not resolved | 25 Jun 2025, 12:1625 Jun 2025 | 25 Jun 2025, 12:16 | not transmitted | no position received |
| CSW1PM | LEPA > LSZH | 24 Jun 2025, 15:4224 Jun 2025 | 24 Jun 2025, 15:47 | 33,375 ft | no position received |
| CSW1EP | LSZH > LEPA | 24 Jun 2025, 11:5624 Jun 2025 | 24 Jun 2025, 12:20 | 39,000 ft | 1,232 |
| CSW1EP | LSZH > LEPA | 23 Jun 2025, 12:0823 Jun 2025 | 23 Jun 2025, 12:27 | 37,000 ft | 903 |
| not transmitted | route not resolved | 21 Jun 2025, 16:2821 Jun 2025 | 21 Jun 2025, 16:42 | 10,400 ft | no position received |
| CSW1EP | LSZH > LEPA | 21 Jun 2025, 11:5921 Jun 2025 | 21 Jun 2025, 12:23 | 34,975 ft | 1,318 |
| not transmitted | route not resolved | 20 Jun 2025, 15:5620 Jun 2025 | 20 Jun 2025, 15:58 | 32,225 ft | no position received |
