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Aircraft
HB-JOS
Common
- Mode S hex
- 4B1942
- Type
- Airbus A320A320
- Manufacturer
- Airbus
- Serial number
- 4391
- Year built
- 2010
- Operator
- Chair Airlines (CSW)
- Country of registration
Switzerland
- First contact
- 13 Sept 2017, 13:06
- Last contact
- 8 Aug 2026, 11:51
- Logged visits
- 1,402
The station's story
- Cumulative contact time
- 175 h
- Distinct days
- 757
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,489 of 57,065
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,445 contacts on the address, 1,402 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 (464 contacts, 2025-2026) · ENT (2 contacts, 2025)
Operator as per the registry of 21.07.2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| CSW1PM | LEPA > LSZH | 7 Aug 2026, 15:407 Aug 2026 | 7 Aug 2026, 16:00 | 23,550 ft | 387 |
| CSW1EP | LSZH > LEPA | 7 Aug 2026, 12:137 Aug 2026 | 7 Aug 2026, 12:34 | 35,000 ft | 1,178 |
| not transmitted | route not resolved | 6 Aug 2026, 12:046 Aug 2026 | 6 Aug 2026, 12:06 | 17,975 ft | 3 |
| CSW610 | LFSB > BKPR | 6 Aug 2026, 06:226 Aug 2026 | 6 Aug 2026, 06:27 | 17,300 ft | 47 |
| not transmitted | route not resolved | 5 Aug 2026, 21:495 Aug 2026 | 5 Aug 2026, 21:54 | 10,500 ft | 5 |
| CSW1PM | LEPA > LSZH | 4 Aug 2026, 16:414 Aug 2026 | 4 Aug 2026, 16:49 | 27,725 ft | 15 |
| CSW1EP | LSZH > LEPA | 4 Aug 2026, 13:024 Aug 2026 | 4 Aug 2026, 13:17 | 33,875 ft | 745 |
| CSW610 | LFSB > BKPR | 4 Aug 2026, 06:224 Aug 2026 | 4 Aug 2026, 06:29 | 17,800 ft | 29 |
| CSW1615 | route not resolved | 4 Aug 2026, 04:434 Aug 2026 | 4 Aug 2026, 04:50 | 10,600 ft | 91 |
| not transmitted | route not resolved | 1 Aug 2026, 19:031 Aug 2026 | 1 Aug 2026, 19:16 | 33,000 ft | 23 |
| not transmitted | route not resolved | 1 Aug 2026, 13:231 Aug 2026 | 1 Aug 2026, 13:25 | 16,375 ft | 7 |
| not transmitted | route not resolved | 1 Aug 2026, 10:501 Aug 2026 | 1 Aug 2026, 10:55 | 11,775 ft | no position received |
| CSW804 | LSZH > LGKO | 30 Jul 2026, 07:1430 Jul 2026 | 30 Jul 2026, 07:20 | 32,900 ft | 129 |
| CSW1PM | LEPA > LSZH | 28 Jul 2026, 15:5828 Jul 2026 | 28 Jul 2026, 16:07 | 27,975 ft | 5 |
| CSW1EP | LSZH > LEPA | 28 Jul 2026, 11:5328 Jul 2026 | 28 Jul 2026, 12:13 | 33,000 ft | 988 |
| CSW177 | LPPR > LSZH | 25 Jul 2026, 19:4625 Jul 2026 | 25 Jul 2026, 20:12 | 13,425 ft | 1,488 |
| CSW176 | route not resolved | 25 Jul 2026, 14:4325 Jul 2026 | 25 Jul 2026, 15:23 | 37,000 ft | 2,353 |
| not transmitted | route not resolved | 23 Jul 2026, 12:0123 Jul 2026 | 23 Jul 2026, 12:02 | 18,325 ft | 3 |
| not transmitted | route not resolved | 23 Jul 2026, 10:2623 Jul 2026 | 23 Jul 2026, 10:27 | 14,850 ft | no position received |
| CSW610 | LFSB > BKPR | 23 Jul 2026, 06:1723 Jul 2026 | 23 Jul 2026, 06:23 | 20,200 ft | 45 |
| CSW1PM | LEPA > LSZH | 21 Jul 2026, 15:4421 Jul 2026 | 21 Jul 2026, 15:49 | 28,700 ft | 1 |
| CSW1EP | LSZH > LEPA | 21 Jul 2026, 11:5221 Jul 2026 | 21 Jul 2026, 12:15 | 35,000 ft | 1,083 |
| 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 |
