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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
- 10 Aug 2026, 11:40
- Logged visits
- 1,406
The station's story
- Cumulative contact time
- 176 h
- Distinct days
- 759
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,489 of 57,441
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,449 contacts on the address, 1,406 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 (467 contacts, 2025-2026) · ENT (2 contacts, 2025)
Operator as per the registry of 29 Jul 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| not transmitted | route not resolved | 20 Jul 2026, 20:4920 Jul 2026 | 20 Jul 2026, 20:50 | 28,350 ft | 1 |
| CSW1PM | LEPA > LSZH | 18 Jul 2026, 16:4518 Jul 2026 | 18 Jul 2026, 17:09 | 12,275 ft | 379 |
| CSW1EP | LSZH > LEPA | 18 Jul 2026, 12:0218 Jul 2026 | 18 Jul 2026, 12:23 | 35,025 ft | 1,044 |
| CSW610 | LFSB > BKPR | 18 Jul 2026, 06:3218 Jul 2026 | 18 Jul 2026, 06:33 | 16,250 ft | 7 |
| CSW5615 | route not resolved | 18 Jul 2026, 04:5918 Jul 2026 | 18 Jul 2026, 05:06 | 15,500 ft | 44 |
| not transmitted | route not resolved | 17 Jul 2026, 15:2517 Jul 2026 | 17 Jul 2026, 15:34 | 27,675 ft | no position received |
| CSW1EP | LSZH > LEPA | 17 Jul 2026, 11:5717 Jul 2026 | 17 Jul 2026, 12:17 | 34,975 ft | 728 |
| not transmitted | route not resolved | 16 Jul 2026, 12:2216 Jul 2026 | 16 Jul 2026, 12:22 | 16,850 ft | no position received |
| CSW1615 | route not resolved | 16 Jul 2026, 10:3716 Jul 2026 | 16 Jul 2026, 10:52 | 15,475 ft | 9 |
| CSW1PM | LEPA > LSZH | 15 Jul 2026, 17:0915 Jul 2026 | 15 Jul 2026, 17:24 | 21,275 ft | 253 |
| CSW1EP | LSZH > LEPA | 15 Jul 2026, 12:1115 Jul 2026 | 15 Jul 2026, 12:18 | 33,275 ft | 25 |
| CSW610 | LFSB > BKPR | 15 Jul 2026, 06:1715 Jul 2026 | 15 Jul 2026, 06:22 | 18,150 ft | 36 |
| not transmitted | route not resolved | 14 Jul 2026, 22:2114 Jul 2026 | 14 Jul 2026, 22:21 | 15,300 ft | 2 |
| not transmitted | route not resolved | 14 Jul 2026, 11:5914 Jul 2026 | 14 Jul 2026, 12:00 | 18,475 ft | 1 |
| CSW5611 | route not resolved | 14 Jul 2026, 10:2014 Jul 2026 | 14 Jul 2026, 10:22 | 16,200 ft | 5 |
| CSW610 | LFSB > BKPR | 14 Jul 2026, 06:2314 Jul 2026 | 14 Jul 2026, 06:26 | 18,250 ft | 48 |
| not transmitted | route not resolved | 13 Jul 2026, 21:4113 Jul 2026 | 13 Jul 2026, 21:42 | 16,450 ft | 3 |
| CSW1PM | LEPA > LSZH | 13 Jul 2026, 15:4113 Jul 2026 | 13 Jul 2026, 15:48 | 28,875 ft | 7 |
| CSW1EP | LSZH > LEPA | 13 Jul 2026, 12:0713 Jul 2026 | 13 Jul 2026, 12:28 | 35,025 ft | 1,106 |
| CSW610 | LFSB > BKPR | 13 Jul 2026, 06:2213 Jul 2026 | 13 Jul 2026, 06:28 | 19,275 ft | 48 |
| CSW1615 | route not resolved | 13 Jul 2026, 04:5913 Jul 2026 | 13 Jul 2026, 05:04 | 8,150 ft | 109 |
| not transmitted | route not resolved | 10 Jul 2026, 14:3710 Jul 2026 | 10 Jul 2026, 14:37 | 27,775 ft | no position received |
| CSW612 | LFSB > BKPR | 8 Jul 2026, 11:348 Jul 2026 | 8 Jul 2026, 11:40 | 18,775 ft | 3 |
| not transmitted | route not resolved | 8 Jul 2026, 10:088 Jul 2026 | 8 Jul 2026, 10:08 | 19,150 ft | no position received |
| not transmitted | route not resolved | 7 Jul 2026, 15:397 Jul 2026 | 7 Jul 2026, 15:39 | 30,675 ft | no position received |
